From ALim@extremenetworks.com Wed Aug 1 20:31:23 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id EFD3811E80EF for ; Wed, 1 Aug 2012 20:31:22 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.598 X-Spam-Level: X-Spam-Status: No, score=-2.598 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id BsD3NFZnLbba for ; Wed, 1 Aug 2012 20:31:22 -0700 (PDT) Received: from ussc-casht-p1.extremenetworks.com (ussc-casht-p2.extremenetworks.com [207.179.9.62]) by ietfa.amsl.com (Postfix) with ESMTP id 220DB11E809C for ; Wed, 1 Aug 2012 20:31:21 -0700 (PDT) Received: from USEXCHANGE.corp.extremenetworks.com ([10.0.4.74]) by ussc-casht-p2.corp.extremenetworks.com ([10.255.181.88]) with mapi; Wed, 1 Aug 2012 20:31:21 -0700 From: Arnel Lim To: "trill@ietf.org" Date: Wed, 1 Aug 2012 20:31:20 -0700 Thread-Topic: DRB Election Holding Time? Thread-Index: Ac1wX0gA2nk85VoZQ6KjTmIhTCVZmg== Message-ID: <6738A78F51650A4FAEDCF6844B26C2140187A454F3D5@USEXCHANGE.corp.extremenetworks.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: multipart/alternative; boundary="_000_6738A78F51650A4FAEDCF6844B26C2140187A454F3D5USEXCHANGEc_" MIME-Version: 1.0 Subject: [trill] DRB Election Holding Time? X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 02 Aug 2012 03:31:23 -0000 --_000_6738A78F51650A4FAEDCF6844B26C2140187A454F3D5USEXCHANGEc_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Is there any holding time during the DRB election process where an RBridge = must wait before becoming the DRB? ________________________________ DISCLAIMER: This e-mail and any attachments to it may contain confidential and propriet= ary material and is solely for the use of the intended recipient. Any revie= w, use, disclosure, distribution or copying of this transmittal is prohibit= ed except by or on behalf of the intended recipient. If you have received t= his transmittal in error, please notify the sender and destroy this e-mail = and any attachments and all copies, whether electronic or printed. --_000_6738A78F51650A4FAEDCF6844B26C2140187A454F3D5USEXCHANGEc_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Is there any holding time during the DRB election pr= ocess where an RBridge must wait before becoming the DRB?


DISCLAIMER:
This e-mail and any attachments to it may contain confidential and propriet= ary material and is solely for the use of the intended recipient. Any revie= w, use, disclosure, distribution or copying of this transmittal is prohibit= ed except by or on behalf of the intended recipient. If you have received this transmittal in error, please= notify the sender and destroy this e-mail and any attachments and all copi= es, whether electronic or printed.
 --_000_6738A78F51650A4FAEDCF6844B26C2140187A454F3D5USEXCHANGEc_-- From d3e3e3@gmail.com Wed Aug 1 22:38:58 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0FF1D11E80E1 for ; Wed, 1 Aug 2012 22:38:58 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -103.519 X-Spam-Level: X-Spam-Status: No, score=-103.519 tagged_above=-999 required=5 tests=[AWL=0.080, BAYES_00=-2.599, RCVD_IN_DNSWL_LOW=-1, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id h71aJ--a-MOg for ; Wed, 1 Aug 2012 22:38:57 -0700 (PDT) Received: from mail-gh0-f172.google.com (mail-gh0-f172.google.com [209.85.160.172]) by ietfa.amsl.com (Postfix) with ESMTP id 7EF7B11E80BA for ; Wed, 1 Aug 2012 22:38:57 -0700 (PDT) Received: by ghbg16 with SMTP id g16so8863038ghb.31 for ; Wed, 01 Aug 2012 22:38:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=2arx3kBufKi3hB+LrK2dYTHIiv2uBSG/TnTWJDo+KoA=; b=IaeYyh+cOq6X2whTkbDTxKWsuLZONIIV+vJmzWUWl0jujaoBVVOMrlZjbNWbTA2mLU wiW+O8oMoeU8KIJZuhYdvCEqX+CqmLuJvB8ld7Fb7QVeic0ZTiogmkYLHYCHlFnSFtJI BjATJx+fr5rJ0zEX+eixsnczcVrEeDIFEIpQotw/VK6xWeLfhLD9yOSPafLaR46ulCqJ M9avpLgAuPMTNBcAiPWlnthjwHyFOZYw7guJPVKh2a410Wc5Qq69Bbuu0NkmNevwQxvH kSKpKIAcn8aMcu4UM5ViBKDsZY/rbnTVlbjSqa2pKHoAiYVV74Uo1v+rwPa5m2A7pLRN XJdw== Received: by 10.50.236.97 with SMTP id ut1mr1297779igc.50.1343885936948; Wed, 01 Aug 2012 22:38:56 -0700 (PDT) MIME-Version: 1.0 Received: by 10.64.70.227 with HTTP; Wed, 1 Aug 2012 22:38:36 -0700 (PDT) In-Reply-To: <6738A78F51650A4FAEDCF6844B26C2140187A454F3D5@USEXCHANGE.corp.extremenetworks.com> References: <6738A78F51650A4FAEDCF6844B26C2140187A454F3D5@USEXCHANGE.corp.extremenetworks.com> From: Donald Eastlake Date: Thu, 2 Aug 2012 01:38:36 -0400 Message-ID: To: Arnel Lim Content-Type: text/plain; charset=ISO-8859-1 Cc: "trill@ietf.org" Subject: Re: [trill] DRB Election Holding Time? X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 02 Aug 2012 05:38:58 -0000 There is an inhibition time before it will perform Appointed Forwarder ingress and egress functions (see RFC 6439) but no delay for other DRB functions. Thanks, Donald ============================= Donald E. Eastlake 3rd +1-508-333-2270 (cell) 155 Beaver Street, Milford, MA 01757 USA d3e3e3@gmail.com On Wed, Aug 1, 2012 at 11:31 PM, Arnel Lim wrote: > Is there any holding time during the DRB election process where an RBridge > must wait before becoming the DRB? From ginsberg@cisco.com Thu Aug 2 15:43:10 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id F048A11E80F2 for ; Thu, 2 Aug 2012 15:43:10 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -10.599 X-Spam-Level: X-Spam-Status: No, score=-10.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, RCVD_IN_DNSWL_HI=-8] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ebZdsYidCwmM for ; Thu, 2 Aug 2012 15:43:10 -0700 (PDT) Received: from rcdn-iport-6.cisco.com (rcdn-iport-6.cisco.com [173.37.86.77]) by ietfa.amsl.com (Postfix) with ESMTP id 936F711E80E1 for ; Thu, 2 Aug 2012 15:43:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=ginsberg@cisco.com; l=1729; q=dns/txt; s=iport; t=1343947389; x=1345156989; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-transfer-encoding:mime-version; bh=e6roXdxci1B2jiipTBxGcSzFfxtUWETOFxYdn3bfNvg=; b=i5ud2oTJlYbktRKQVlsEp+uDJRj/Es1c199ZAF9gQ2R52veXbGdiUnsw 7j3kgPPYQZVP8vQqD4YD3Z7S8eaBNX9gCFZcPjzDX895+IUYd7LVRB/Vj O06RRgOUWmGFfRDYBYHXR17PKHulpYuY8EEjPbYmA4mRg0cAr6nFj7xpn Q=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Av8EADkBG1CtJXG9/2dsb2JhbABCA7kbgQeCIAEBAQQBAQEPAVsLDAQCAQgOAwQBAQEKHQchBgsUCQgBAQQBDQUIGodcAwwLnHaWbQ2JSgSKY2eDY4JBYAOIGItcjF2DHYFmgl8 X-IronPort-AV: E=Sophos;i="4.77,703,1336348800"; d="scan'208";a="108015179" Received: from rcdn-core2-2.cisco.com ([173.37.113.189]) by rcdn-iport-6.cisco.com with ESMTP; 02 Aug 2012 22:43:09 +0000 Received: from xhc-aln-x10.cisco.com (xhc-aln-x10.cisco.com [173.36.12.84]) by rcdn-core2-2.cisco.com (8.14.5/8.14.5) with ESMTP id q72Mh94u000995 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Thu, 2 Aug 2012 22:43:09 GMT Received: from xmb-aln-x02.cisco.com ([169.254.5.237]) by xhc-aln-x10.cisco.com ([173.36.12.84]) with mapi id 14.02.0298.004; Thu, 2 Aug 2012 17:43:08 -0500 From: "Les Ginsberg (ginsberg)" To: Donald Eastlake , Arnel Lim Thread-Topic: [trill] DRB Election Holding Time? Thread-Index: Ac1wX0gA2nk85VoZQ6KjTmIhTCVZmgAO7B8AABkennA= Date: Thu, 2 Aug 2012 22:43:07 +0000 Message-ID: References: <6738A78F51650A4FAEDCF6844B26C2140187A454F3D5@USEXCHANGE.corp.extremenetworks.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [128.107.163.142] x-tm-as-product-ver: SMEX-10.2.0.1135-7.000.1014-19082.000 x-tm-as-result: No--43.507200-8.000000-31 x-tm-as-user-approved-sender: No x-tm-as-user-blocked-sender: No Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Cc: "trill@ietf.org" Subject: Re: [trill] DRB Election Holding Time? X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 02 Aug 2012 22:43:11 -0000 ISO 10589 Section 8.4.1d states: d) After waiting iSISHelloTimer =D7 2 seconds, run the Level 1 and or the l= evel 2 designated intermediate system election process depending on the Int= ermediate system type. This is an initial delay designed to allow acquisition of all the neighbors= on the LAN before running the first election. Running the initial election= upon acquisition of the first new neighbor would obviously result in incon= sistent results until all neighbors were acquired. RFC 6325 does not speak to this point explicitly (or at least I did not fin= d any language) but I would assume a prudent implementation of DRB election= would follow this same rule. Les > -----Original Message----- > From: trill-bounces@ietf.org [mailto:trill-bounces@ietf.org] On Behalf Of > Donald Eastlake > Sent: Wednesday, August 01, 2012 10:39 PM > To: Arnel Lim > Cc: trill@ietf.org > Subject: Re: [trill] DRB Election Holding Time? >=20 > There is an inhibition time before it will perform Appointed Forwarder > ingress and egress functions (see RFC 6439) but no delay for other DRB > functions. >=20 > Thanks, > Donald > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D > Donald E. Eastlake 3rd +1-508-333-2270 (cell) > 155 Beaver Street, Milford, MA 01757 USA > d3e3e3@gmail.com >=20 >=20 > On Wed, Aug 1, 2012 at 11:31 PM, Arnel Lim wro= te: > > Is there any holding time during the DRB election process where an RBri= dge > > must wait before becoming the DRB? > _______________________________________________ > trill mailing list > trill@ietf.org > https://www.ietf.org/mailman/listinfo/trill From d3e3e3@gmail.com Thu Aug 9 12:34:05 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4D22E21F870F for ; Thu, 9 Aug 2012 12:34:05 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -103.521 X-Spam-Level: X-Spam-Status: No, score=-103.521 tagged_above=-999 required=5 tests=[AWL=0.078, BAYES_00=-2.599, RCVD_IN_DNSWL_LOW=-1, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id MO3+kHgzmNiC for ; Thu, 9 Aug 2012 12:34:04 -0700 (PDT) Received: from mail-yw0-f44.google.com (mail-yw0-f44.google.com [209.85.213.44]) by ietfa.amsl.com (Postfix) with ESMTP id A104721F865E for ; Thu, 9 Aug 2012 12:34:04 -0700 (PDT) Received: by yhq56 with SMTP id 56so941031yhq.31 for ; Thu, 09 Aug 2012 12:34:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:from:date:message-id:subject:to:content-type; bh=0YAmhZ9t2jAGXh8UT+vNvnKe0/qTwkG9Ti2bPumMarQ=; b=xgSWc7XdvbwT507NerbCiFr2SCFKlFv4lbOrLG2MrefQK/cpIZxA/JhzExRweraF+j LgJ7mCClzu/pB3HJkpE8jFedz1ScijkoBVtSeM3Gkb4ij32Wy33dUCfFmdgPitkIW1Z2 qj+MERJwxBmdpTm0HSsBTXkTIkjycEfuc6GR3sOnZA88ksWQlvNab+IEDJVc+6k6ckrM K904LAV8Ctoijz+SdHOVqvnpHC6iwREkWFnq9i5898/7ya/HtNHr3S2R7e2JeBYdtpJJ CpvCMdrCmd2CuM5PxxCEAjUwog7fjMqZu8dctZCbunpM+CMUvtJHZ74MUDpJ4rPvZRa6 kPjw== Received: by 10.50.57.168 with SMTP id j8mr512328igq.16.1344540844081; Thu, 09 Aug 2012 12:34:04 -0700 (PDT) MIME-Version: 1.0 Received: by 10.64.39.196 with HTTP; Thu, 9 Aug 2012 12:33:43 -0700 (PDT) From: Donald Eastlake Date: Thu, 9 Aug 2012 15:33:43 -0400 Message-ID: To: trill@ietf.org Content-Type: text/plain; charset=ISO-8859-1 Subject: [trill] Open Source port to Linux X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Aug 2012 19:34:05 -0000 Hi, The following was presented at the TRILL WG meeting last week on the port of the Solaris open source implementation of TRILL to Linux: http://www.ietf.org/proceedings/84/slides/slides-84-trill-2.pptx Anyone who would like to volunteer to help with that effort should contact them through the email addresses given in the presentation. Thanks, Donald ============================= Donald E. Eastlake 3rd +1-508-333-2270 (cell) 155 Beaver Street, Milford, MA 01757 USA d3e3e3@gmail.com From somnath.chatterjee01@gmail.com Fri Aug 10 05:07:08 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BA84721F8517 for ; Fri, 10 Aug 2012 05:07:08 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.849 X-Spam-Level: X-Spam-Status: No, score=-2.849 tagged_above=-999 required=5 tests=[AWL=-0.450, BAYES_00=-2.599, J_CHICKENPOX_47=0.6, J_CHICKENPOX_73=0.6, RCVD_IN_DNSWL_LOW=-1] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id vzmBN52q1t64 for ; Fri, 10 Aug 2012 05:07:08 -0700 (PDT) Received: from mail-gg0-f172.google.com (mail-gg0-f172.google.com [209.85.161.172]) by ietfa.amsl.com (Postfix) with ESMTP id 2906721F84FE for ; Fri, 10 Aug 2012 05:07:08 -0700 (PDT) Received: by ggnh4 with SMTP id h4so1602648ggn.31 for ; Fri, 10 Aug 2012 05:07:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=4VV68U2iZIKaUGvDZOD48xMuv6wO3fz1qvWjmajyWP8=; b=Xr+ie+a+k0MnQzyCKwt6DJ+z4e5NDooGXMm/zcstKfzuhULOOLF5WxkRRBXxwFECm1 8FQnjgMlnDELXTfJb21qECS0Rt+sVc/FLZe7H5EIGV3GmroMDldY4r10ix4xXA63tndv D68928rdqrdx+vKmAVOUjr80Nap4NCDfx6U6eP0SVVeUVpAR8d15rw9MPZXn3sVEgRLP r2MARGFQ+0FXiz6yWUjKfjLcUVmjyJD+uS042QW0ZX7NhS2qQEfwgY/w4LqfwCrGsEEi Nty1j9FJcTdxCNwWFT9CfcreAQRlf89diCls6/qV3ijKfnqp2R1oh1RscZqNa/XHaHac PTtA== MIME-Version: 1.0 Received: by 10.60.14.227 with SMTP id s3mr3807005oec.36.1344600427480; Fri, 10 Aug 2012 05:07:07 -0700 (PDT) Received: by 10.76.124.171 with HTTP; Fri, 10 Aug 2012 05:07:07 -0700 (PDT) Date: Fri, 10 Aug 2012 17:37:07 +0530 Message-ID: From: somnath chatterjee To: trill@ietf.org Content-Type: text/plain; charset=ISO-8859-1 Subject: [trill] Queries on ESADI LSP process X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 10 Aug 2012 12:07:09 -0000 Hi Authors, Please consider this scenario when an ESADI RB1 has already 3 fragments of ESADI LSP from ESADI RB2. And now it receives from RB2 an updated ESADI LSP-zero with few changes(few MACs added and few deleted) in MAC reachability TLV. How much time should the RB1 wait for other fragments ESADI-LSP-1 ESADI_LSP-2 etc to come? Also when all the fragmented ESADI LSPs have come, the comparison between MAC information in previously received LSPs and new received LSPs will be easy if the MACs that are lost are notified in some way.Based on this comparisons the routes will be updated in hardware (Egress Nickname, vlan, MAC1,MAC2). Is it possible to set any field to mark the last ESADI LSP fragment send? This will help the receiving RB to know when to start comparing the LSPs for noticing any change in MAC association. Also is it possible to send the MACs that were lost(marking them by some flag), the comparison algorithm will be quicker if that is done. Thank you, Regards, Somnath From ayabaner@gmail.com Fri Aug 10 08:15:18 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A6F9921F8659 for ; Fri, 10 Aug 2012 08:15:18 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.398 X-Spam-Level: X-Spam-Status: No, score=-2.398 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001, J_CHICKENPOX_47=0.6, J_CHICKENPOX_73=0.6, RCVD_IN_DNSWL_LOW=-1] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id gNu8JuUNJW6r for ; Fri, 10 Aug 2012 08:15:18 -0700 (PDT) Received: from mail-wi0-f178.google.com (mail-wi0-f178.google.com [209.85.212.178]) by ietfa.amsl.com (Postfix) with ESMTP id D42A821F867E for ; Fri, 10 Aug 2012 08:15:17 -0700 (PDT) Received: by wibhr14 with SMTP id hr14so1125835wib.13 for ; Fri, 10 Aug 2012 08:15:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=cK3PQokrEi/XgrVpBmM0WyZIGa2gcovlDKcSKzC9lWc=; b=BFiYJmbT8kyIFTYbZbNGjGvrhi0eHFokwGj8H2clJpdyjzQL2UAPSh8ZuGnDzd2hhN GwG8pAoaZ74yloBlAwj2cYf0mPXjo9Aq1bbFNxYfukoAiUxwl3JBo2A20Nse5Z82+7IH nSEN6ZeKu5nOLn0T//Zik0Lm8ytjbHA+zp2yUkpQAxKba/4sfYeGJhpKVf/evqjR2HhT PMHDQnYpjw7jtl79uhJoF789ze3ijPup60Pa8cXm+98sM5kXsOJmjs1rZjM4KWZospw8 0KhbjbqUYzrRIujC6ZJgMe3EpmY7kTo7avYQ7EnoKr0nVsbDwz3dHhSn//ajFdvIxHW9 /uhQ== MIME-Version: 1.0 Received: by 10.180.81.165 with SMTP id b5mr6705352wiy.17.1344611717020; Fri, 10 Aug 2012 08:15:17 -0700 (PDT) Received: by 10.194.59.75 with HTTP; Fri, 10 Aug 2012 08:15:16 -0700 (PDT) In-Reply-To: References: Date: Fri, 10 Aug 2012 08:15:16 -0700 Message-ID: From: Ayan Banerjee To: somnath chatterjee Content-Type: multipart/alternative; boundary=f46d044304eec0fab004c6eacfff Cc: trill@ietf.org Subject: Re: [trill] Queries on ESADI LSP process X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 10 Aug 2012 15:15:18 -0000 --f46d044304eec0fab004c6eacfff Content-Type: text/plain; charset=ISO-8859-1 Somnath, This is no different than processing "routing" information for L3. Also, you should probably take a look at this: http://www.ietf.org/mail-archive/web/isis-wg/current/msg03006.html Thanks, Ayan On Fri, Aug 10, 2012 at 5:07 AM, somnath chatterjee < somnath.chatterjee01@gmail.com> wrote: > Hi Authors, > > Please consider this scenario when an ESADI RB1 has already 3 > fragments of ESADI LSP from > ESADI RB2. And now it receives from RB2 an updated ESADI LSP-zero with > few changes(few MACs added > and few deleted) in MAC reachability TLV. How much time should the RB1 > wait for other fragments > ESADI-LSP-1 ESADI_LSP-2 etc to come? > Also when all the fragmented ESADI LSPs have come, the comparison > between MAC information in previously > received LSPs and new received LSPs will be easy if the MACs that are > lost are notified in some > way.Based on this comparisons the routes will be updated in hardware > (Egress Nickname, vlan, MAC1,MAC2). > > Is it possible to set any field to mark the last ESADI LSP fragment > send? This will help the receiving RB > to know when to start comparing the LSPs for noticing any change in > MAC association. Also is it possible to send > the MACs that were lost(marking them by some flag), the comparison > algorithm will be quicker if that is done. > > Thank you, > Regards, > Somnath > _______________________________________________ > trill mailing list > trill@ietf.org > https://www.ietf.org/mailman/listinfo/trill > --f46d044304eec0fab004c6eacfff Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Somnath,

This is no different than processing "rout= ing" information for L3.=A0

Also, you should = probably take a look at this:=A0

Thanks,
Ayan


On Fri, Aug 10, 2012 at 5:07 AM, somnath chatterjee <somnath.chatterjee01@gmail.com> wrote:
Hi Authors,

Please consider this scenario when an ESADI RB1 has already 3
fragments of ESADI LSP from
ESADI RB2. And now it receives from RB2 an updated ESADI LSP-zero with
few changes(few MACs added
and few deleted) in MAC reachability TLV. How much time should the RB1
wait for other fragments
ESADI-LSP-1 ESADI_LSP-2 etc to come?
Also when all the fragmented ESADI LSPs have come, the comparison
between MAC =A0information in previously
received LSPs and new received LSPs will be easy if the MACs that are
lost are notified in some
way.Based on this comparisons the routes will be updated in hardware
(Egress Nickname, vlan, MAC1,MAC2).

Is it possible to set any field to mark the last ESADI LSP fragment
send? This will help the receiving RB
to know when to start comparing the LSPs for noticing any change in
MAC association. Also is it possible to send
the MACs that were lost(marking them by some flag), the comparison
algorithm will be quicker if that is done.

Thank you,
Regards,
Somnath
_______________________________________________
trill mailing list
trill@ietf.org
h= ttps://www.ietf.org/mailman/listinfo/trill

--f46d044304eec0fab004c6eacfff-- From iesg-secretary@ietf.org Fri Aug 10 10:07:36 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E4A1221F880F; Fri, 10 Aug 2012 10:07:36 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -102.51 X-Spam-Level: X-Spam-Status: No, score=-102.51 tagged_above=-999 required=5 tests=[AWL=0.089, BAYES_00=-2.599, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id CsfvGns9jHhi; Fri, 10 Aug 2012 10:07:36 -0700 (PDT) Received: from ietfa.amsl.com (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 37B4521F8681; Fri, 10 Aug 2012 10:07:36 -0700 (PDT) Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: The IESG To: IETF-Announce X-Test-IDTracker: no X-IETF-IDTracker: 4.33 Message-ID: <20120810170736.12689.64151.idtracker@ietfa.amsl.com> Date: Fri, 10 Aug 2012 10:07:36 -0700 Cc: trill mailing list , trill chair , RFC Editor Subject: [trill] Protocol Action: 'TRILL: Clarifications, Corrections, and Updates' to Proposed Standard (draft-ietf-trill-clear-correct-06.txt) X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 10 Aug 2012 17:07:37 -0000 The IESG has approved the following document: - 'TRILL: Clarifications, Corrections, and Updates' (draft-ietf-trill-clear-correct-06.txt) as Proposed Standard This document is the product of the Transparent Interconnection of Lots of Links Working Group. The IESG contact persons are Ralph Droms and Brian Haberman. A URL of this Internet Draft is: http://datatracker.ietf.org/doc/draft-ietf-trill-clear-correct/ Technical Summary The IETF TRILL (TRansparent Interconnection of Lots of Links) protocol provides least cost pair-wise data forwarding without configuration in multi-hop networks with arbitrary topology, safe forwarding even during periods of temporary loops, and support for multipathing of both unicast and multicast traffic. TRILL accomplishes this by using IS-IS (Intermediate System to Intermediate System) link state routing and by encapsulating traffic using a header that includes a hop count. Since the TRILL base protocol was approved in March 2010, active development of TRILL has revealed a few errata in the original RFC 6325 and some cases that could use clarifications or updates. RFC 6327 and RFC 6439 provide clarifications and updates with respect to Adjacency and Appointed Forwarders. This document provide other known clarifications, corrections, and updates to RFC 6325, RFC 6327, and RFC 6439. The clarifications, corrections, and updates cover many areas, but the most substantial ones are in the areas of: - Overloaded and/or Unreachable RBridges - Distribution Trees - Nickname selection - Maximum Transmission Unit Note that one change in this document (section 3.4) is not backward compatible with [RFC6325] but has nevertheless been adopted to reduce distribution tree changes resulting from topology changes. Working Group Summary There was consensus in the working group in favor of the document. Document Quality The document has been carefully reviewed in the WG and by the document shepherd. The document was forwarded to the IS-IS WG mailing list, which resulted in some additional improvements. Personnel Who is the Document Shepherd? Erik Nordmark Who is the Responsible Area Director? Ralph Droms From somnath.chatterjee01@gmail.com Wed Aug 15 08:55:46 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C8B6521F87ED for ; Wed, 15 Aug 2012 08:55:46 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.699 X-Spam-Level: X-Spam-Status: No, score=-2.699 tagged_above=-999 required=5 tests=[AWL=-0.300, BAYES_00=-2.599, J_CHICKENPOX_47=0.6, J_CHICKENPOX_73=0.6, RCVD_IN_DNSWL_LOW=-1] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id koJ16Tl8avmM for ; Wed, 15 Aug 2012 08:55:46 -0700 (PDT) Received: from mail-ob0-f172.google.com (mail-ob0-f172.google.com [209.85.214.172]) by ietfa.amsl.com (Postfix) with ESMTP id 571A721F87CA for ; Wed, 15 Aug 2012 08:55:43 -0700 (PDT) Received: by obbwc20 with SMTP id wc20so2659311obb.31 for ; Wed, 15 Aug 2012 08:55:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=w5BsIHK08MKhiybCl4eLXSk1vu0z0IlCdAztejrYAAk=; b=Fw45SfJMt4COLM5nCjuhQ0fVm1DWSeCv28ZNTZmNxIO0w6tHGE3xlV+Fn+KvFo+b3V rUDeoa/4+AY7xuvxNze1EcaQNf6BfP7TsOQKTZ4WOVvJXVB4Th+44HZ5Miavr5zCfBK/ xgJ78uYCrZc6wto//oxdbqnxfR4UW1VJeiYvR0flOLy/lgk2sjblhDZRmIP2glzlWOdw KmGdvbSGPI8WIAKDfLj01kMgOH9NesjtKo6yk80FGBN1NwSqADpNEx9yllGPqE6XwBJK /OkEjImOFnnnBMqTkpItPMedMIPB9Q5DtmPyDl5kXBUZBMQiims1wczJIt8gD2sSpoTz suQA== MIME-Version: 1.0 Received: by 10.60.170.138 with SMTP id am10mr2302364oec.115.1345046142796; Wed, 15 Aug 2012 08:55:42 -0700 (PDT) Received: by 10.76.83.229 with HTTP; Wed, 15 Aug 2012 08:55:42 -0700 (PDT) In-Reply-To: References: Date: Wed, 15 Aug 2012 21:25:42 +0530 Message-ID: From: somnath chatterjee To: Ayan Banerjee Content-Type: text/plain; charset=ISO-8859-1 Cc: trill@ietf.org Subject: Re: [trill] Queries on ESADI LSP process X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 15 Aug 2012 15:55:46 -0000 Hi Ayan, Thank you for the valuable information. Regards, Somnath On Fri, Aug 10, 2012 at 8:45 PM, Ayan Banerjee wrote: > Somnath, > > This is no different than processing "routing" information for L3. > > Also, you should probably take a look at this: > http://www.ietf.org/mail-archive/web/isis-wg/current/msg03006.html > > Thanks, > Ayan > > > On Fri, Aug 10, 2012 at 5:07 AM, somnath chatterjee > wrote: >> >> Hi Authors, >> >> Please consider this scenario when an ESADI RB1 has already 3 >> fragments of ESADI LSP from >> ESADI RB2. And now it receives from RB2 an updated ESADI LSP-zero with >> few changes(few MACs added >> and few deleted) in MAC reachability TLV. How much time should the RB1 >> wait for other fragments >> ESADI-LSP-1 ESADI_LSP-2 etc to come? >> Also when all the fragmented ESADI LSPs have come, the comparison >> between MAC information in previously >> received LSPs and new received LSPs will be easy if the MACs that are >> lost are notified in some >> way.Based on this comparisons the routes will be updated in hardware >> (Egress Nickname, vlan, MAC1,MAC2). >> >> Is it possible to set any field to mark the last ESADI LSP fragment >> send? This will help the receiving RB >> to know when to start comparing the LSPs for noticing any change in >> MAC association. Also is it possible to send >> the MACs that were lost(marking them by some flag), the comparison >> algorithm will be quicker if that is done. >> >> Thank you, >> Regards, >> Somnath >> _______________________________________________ >> trill mailing list >> trill@ietf.org >> https://www.ietf.org/mailman/listinfo/trill > > From nordmark@acm.org Wed Aug 15 15:11:52 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4915F21F85D8 for ; Wed, 15 Aug 2012 15:11:52 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -103.266 X-Spam-Level: X-Spam-Status: No, score=-103.266 tagged_above=-999 required=5 tests=[AWL=0.333, BAYES_00=-2.599, RCVD_IN_DNSWL_LOW=-1, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id IGXIBtIG0DhI for ; Wed, 15 Aug 2012 15:11:51 -0700 (PDT) Received: from b.mail.sonic.net (b.mail.sonic.net [64.142.19.5]) by ietfa.amsl.com (Postfix) with ESMTP id CD84421F85D6 for ; Wed, 15 Aug 2012 15:11:48 -0700 (PDT) Received: from [10.21.125.71] (128-107-239-233.cisco.com [128.107.239.233]) (authenticated bits=0) by b.mail.sonic.net (8.13.8.Beta0-Sonic/8.13.7) with ESMTP id q7FMBg0O031528 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 15 Aug 2012 15:11:43 -0700 Message-ID: <502C1EA0.7050305@acm.org> Date: Wed, 15 Aug 2012 15:11:44 -0700 From: Erik Nordmark User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:14.0) Gecko/20120713 Thunderbird/14.0 MIME-Version: 1.0 To: "trill@ietf.org" Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 15 Aug 2012 22:11:52 -0000 We are trying to understand if this document is getting close to WG last call, but we don't know how many have read the document. If you have reviewed the document, please let us know. If not, this might be a good time to review the document and provide comments. Thanks, Erik and Donald From sunny.rajagopalan@us.ibm.com Wed Aug 15 15:27:49 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id EBA3F21F869E for ; Wed, 15 Aug 2012 15:27:49 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -10.598 X-Spam-Level: X-Spam-Status: No, score=-10.598 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-8] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id uu87Z50hkzo7 for ; Wed, 15 Aug 2012 15:27:49 -0700 (PDT) Received: from e36.co.us.ibm.com (e36.co.us.ibm.com [32.97.110.154]) by ietfa.amsl.com (Postfix) with ESMTP id 48D2D21F869A for ; Wed, 15 Aug 2012 15:27:49 -0700 (PDT) Received: from /spool/local by e36.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 15 Aug 2012 16:27:47 -0600 Received: from d03dlp01.boulder.ibm.com (9.17.202.177) by e36.co.us.ibm.com (192.168.1.136) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Wed, 15 Aug 2012 16:27:46 -0600 Received: from d03relay03.boulder.ibm.com (d03relay03.boulder.ibm.com [9.17.195.228]) by d03dlp01.boulder.ibm.com (Postfix) with ESMTP id DE641C40008; Wed, 15 Aug 2012 16:27:40 -0600 (MDT) Received: from d03av03.boulder.ibm.com (d03av03.boulder.ibm.com [9.17.195.169]) by d03relay03.boulder.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id q7FMRiHS170792; Wed, 15 Aug 2012 16:27:45 -0600 Received: from d03av03.boulder.ibm.com (loopback [127.0.0.1]) by d03av03.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id q7FMRiYD015103; Wed, 15 Aug 2012 16:27:44 -0600 Received: from d03nm127.boulder.ibm.com (9-16-16-115.AHE.BOULDER.IBM.COM [9.16.16.115] (may be forged)) by d03av03.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id q7FMRiPI015100; Wed, 15 Aug 2012 16:27:44 -0600 In-Reply-To: <502C1EA0.7050305@acm.org> References: <502C1EA0.7050305@acm.org> To: Erik Nordmark MIME-Version: 1.0 X-KeepSent: DF4EFC49:DE29DEDA-87257A5B:007ABF9C; type=4; name=$KeepSent X-Mailer: Lotus Notes Release 8.5.1FP5 SHF29 November 12, 2010 Message-ID: From: Sunny Rajagopalan Date: Wed, 15 Aug 2012 15:27:43 -0700 X-MIMETrack: Serialize by Router on D03NM127/03/M/IBM(Release 8.5.3 ZX853HP5|January 12, 2012) at 08/15/2012 16:27:43, Serialize complete at 08/15/2012 16:27:43 Content-Type: multipart/alternative; boundary="=_alternative 007B649188257A5B_=" X-Content-Scanned: Fidelis XPS MAILER x-cbid: 12081522-7606-0000-0000-000002D74133 Cc: trill-bounces@ietf.org, "trill@ietf.org" Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 15 Aug 2012 22:27:50 -0000 This is a multipart message in MIME format. --=_alternative 007B649188257A5B_= Content-Type: text/plain; charset="US-ASCII" I had sent out comments on this a while back, and none of them have been addressed. To summarize the issues: 1) What happens when one of the CE-rbridge links fails? The draft doesn't talk about this scenario. I listed the possible solutions in my earlier email; are the authors planning to adopt one of them, or do they have another fix in mind? 2) The solution doesn't work if the CE switches are interconnected, but this is but this is not documented in the draft. What happens if they get interconnected accidentally? What is the process for recovery? This needs to be discussed in the draft. More details here: http://www.ietf.org/mail-archive/web/trill/current/msg04984.html From: Erik Nordmark To: "trill@ietf.org" Date: 08/15/2012 03:14 PM Subject: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 Sent by: trill-bounces@ietf.org We are trying to understand if this document is getting close to WG last call, but we don't know how many have read the document. If you have reviewed the document, please let us know. If not, this might be a good time to review the document and provide comments. Thanks, Erik and Donald _______________________________________________ trill mailing list trill@ietf.org https://www.ietf.org/mailman/listinfo/trill --=_alternative 007B649188257A5B_= Content-Type: text/html; charset="US-ASCII" I had sent out comments on this a while back, and none of them have been addressed.
To summarize the issues:
1) What happens when one of the CE-rbridge links fails? The draft doesn't talk about this scenario. I listed the possible solutions in my earlier email; are the authors planning to adopt one of them, or do they have another fix in mind?

2) The solution doesn't work if the CE switches are interconnected, but this is but this is not documented in the draft. What happens if they get interconnected accidentally? What is the process for recovery? This needs to be discussed in the draft.
More details here:
http://www.ietf.org/mail-archive/web/trill/current/msg04984.html




From:        Erik Nordmark <nordmark@acm.org>
To:        "trill@ietf.org" <trill@ietf.org>
Date:        08/15/2012 03:14 PM
Subject:        [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL        - draft-ietf-trill-cmt-00
Sent by:        trill-bounces@ietf.org




We are trying to understand if this document is getting close to WG last
call, but we don't know how many have read the document.

If you have reviewed the document, please let us know.
If not, this might be a good time to review the document and provide
comments.

Thanks,
   Erik and Donald
_______________________________________________
trill mailing list
trill@ietf.org
https://www.ietf.org/mailman/listinfo/trill
--=_alternative 007B649188257A5B_=-- From zhangmingui@huawei.com Wed Aug 15 17:56:05 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 45B9111E80DB; Wed, 15 Aug 2012 17:56:05 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.474 X-Spam-Level: X-Spam-Status: No, score=-6.474 tagged_above=-999 required=5 tests=[AWL=0.124, BAYES_00=-2.599, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-4] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id OHE0M5DqFMw7; Wed, 15 Aug 2012 17:56:04 -0700 (PDT) Received: from dfwrgout.huawei.com (dfwrgout.huawei.com [206.16.17.72]) by ietfa.amsl.com (Postfix) with ESMTP id 5CB8F21F84FC; Wed, 15 Aug 2012 17:56:04 -0700 (PDT) Received: from 172.18.9.243 (EHLO dfweml201-edg.china.huawei.com) ([172.18.9.243]) by dfwrg02-dlp.huawei.com (MOS 4.2.3-GA FastPath) with ESMTP id AIX32926; Wed, 15 Aug 2012 16:56:04 -0800 (PST) Received: from DFWEML404-HUB.china.huawei.com (10.193.5.203) by dfweml201-edg.china.huawei.com (172.18.9.107) with Microsoft SMTP Server (TLS) id 14.1.323.3; Wed, 15 Aug 2012 17:54:18 -0700 Received: from SZXEML414-HUB.china.huawei.com (10.82.67.153) by dfweml404-hub.china.huawei.com (10.193.5.203) with Microsoft SMTP Server (TLS) id 14.1.323.3; Wed, 15 Aug 2012 17:54:23 -0700 Received: from SZXEML507-MBS.china.huawei.com ([169.254.7.110]) by SZXEML414-HUB.china.huawei.com ([10.82.67.153]) with mapi id 14.01.0323.003; Thu, 16 Aug 2012 08:54:18 +0800 From: Mingui Zhang To: Sunny Rajagopalan , Erik Nordmark Thread-Topic: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 Thread-Index: AQHNezL9InyrqN81T06s3GzLSYoEBJda7d2AgACq/LA= Date: Thu, 16 Aug 2012 00:54:17 +0000 Message-ID: <4552F0907735844E9204A62BBDD325E731FDAF02@SZXEML507-MBS.china.huawei.com> References: <502C1EA0.7050305@acm.org> In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.111.103.7] Content-Type: multipart/alternative; boundary="_000_4552F0907735844E9204A62BBDD325E731FDAF02SZXEML507MBSchi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected Cc: "trill-bounces@ietf.org" , "trill@ietf.org" Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 16 Aug 2012 00:56:05 -0000 --_000_4552F0907735844E9204A62BBDD325E731FDAF02SZXEML507MBSchi_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable I had read this draft. IMO, the updated version focus on the specific RPFC issue in active-active = multi-homing. The failure recovery from links fails can be regarded as ano= ther common issue of active-active multi-homing, which may be handled in a= separate ID. Thanks, Mingui From: trill-bounces@ietf.org [mailto:trill-bounces@ietf.org] On Behalf Of S= unny Rajagopalan Sent: Thursday, August 16, 2012 6:28 AM To: Erik Nordmark Cc: trill-bounces@ietf.org; trill@ietf.org Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for = TRILL - draft-ietf-trill-cmt-00 I had sent out comments on this a while back, and none of them have been ad= dressed. To summarize the issues: 1) What happens when one of the CE-rbridge links fails? The draft doesn't t= alk about this scenario. I listed the possible solutions in my earlier emai= l; are the authors planning to adopt one of them, or do they have another f= ix in mind? 2) The solution doesn't work if the CE switches are interconnected, but thi= s is but this is not documented in the draft. What happens if they get inte= rconnected accidentally? What is the process for recovery? This needs to be= discussed in the draft. More details here: http://www.ietf.org/mail-archive/web/trill/current/msg04984.html From: Erik Nordmark To: "trill@ietf.org" Date: 08/15/2012 03:14 PM Subject: [trill] Any comments on Coordinated Multicast Trees (CMT) f= or TRILL - draft-ietf-trill-cmt-00 Sent by: trill-bounces@ietf.org ________________________________ We are trying to understand if this document is getting close to WG last call, but we don't know how many have read the document. If you have reviewed the document, please let us know. If not, this might be a good time to review the document and provide comments. Thanks, Erik and Donald _______________________________________________ trill mailing list trill@ietf.org https://www.ietf.org/mailman/listinfo/trill --_000_4552F0907735844E9204A62BBDD325E731FDAF02SZXEML507MBSchi_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

I had read this draft. =

 

IMO, the updated version foc= us on the specific RPFC issue in active-active multi-homing. The failure re= covery from links fails  can be regarded as another common issue of ac= tive-active multi-homing, which may  be handled in a separate ID.

 = ;

Thanks,

Mingui

 = ;

From: trill-bounces@ietf.org [mailto:trill-bounces@ietf.org= ] On Behalf Of Sunny Rajagopalan
Sent: Thursday, August 16, 2012 6:28 AM
To: Erik Nordmark
Cc: trill-bounces@ietf.org; trill@ietf.org
Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CM= T) for TRILL - draft-ietf-trill-cmt-00

 

I had sent out comments on= this a while back, and none of them have been addressed.
To summarize the issues:
1) What happens when one of the CE-rbridge= links fails? The draft doesn't talk about this scenario. I listed the poss= ible solutions in my earlier email; are the authors planning to adopt one of them, or do they have another fix in mind?

2) The solution doesn't work if the CE swi= tches are interconnected, but this is but this is not documented in the dra= ft. What happens if they get interconnected accidentally? What is the process for recovery? This needs to be discussed in the draft.=
More details here:
http://www.ietf.org/mail-archive/web/trill/current/msg04984.html




From:       &n= bsp;Erik Nordmark <nordmark@acm.org><= /span>
To:       &nbs= p;"trill@ietf.org" <trill@ietf= .org>
Date:       &n= bsp;08/15/2012 03:14 PM
Subject:      =  [trill] Any comments on Coordinated = Multicast Trees (CMT) for TRILL        - draft-ietf-trill-cmt-00
Sent by:      =  trill-bounces@ietf.org

=



We are trying to understand if this document is getting close to WG las= t
call, but we don't know how many have read the document.

If you have reviewed the document, please let us know.
If not, this might be a good time to review the document and provide
comments.

Thanks,
   Erik and Donald
_______________________________________________
trill mailing list
trill@ietf.org
https://www.ietf.org/mailman/= listinfo/trill

--_000_4552F0907735844E9204A62BBDD325E731FDAF02SZXEML507MBSchi_-- From sunny.rajagopalan@us.ibm.com Wed Aug 15 18:36:43 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 284D611E80DC for ; Wed, 15 Aug 2012 18:36:43 -0700 (PDT) X-Quarantine-ID: X-Virus-Scanned: amavisd-new at amsl.com X-Amavis-Alert: BAD HEADER SECTION, Header field occurs more than once: "MIME-Version" occurs 3 times X-Spam-Flag: NO X-Spam-Score: -10.598 X-Spam-Level: X-Spam-Status: No, score=-10.598 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-8] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id H8A7TlBa2G7E for ; Wed, 15 Aug 2012 18:36:42 -0700 (PDT) Received: from e36.co.us.ibm.com (e36.co.us.ibm.com [32.97.110.154]) by ietfa.amsl.com (Postfix) with ESMTP id 435AF21F85C7 for ; Wed, 15 Aug 2012 18:36:42 -0700 (PDT) Received: from /spool/local by e36.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 15 Aug 2012 19:36:41 -0600 Received: from d03dlp02.boulder.ibm.com (9.17.202.178) by e36.co.us.ibm.com (192.168.1.136) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Wed, 15 Aug 2012 19:36:39 -0600 Received: from d03relay02.boulder.ibm.com (d03relay02.boulder.ibm.com [9.17.195.227]) by d03dlp02.boulder.ibm.com (Postfix) with ESMTP id 4B6E73E40039; Wed, 15 Aug 2012 19:36:29 -0600 (MDT) Received: from d03av06.boulder.ibm.com (d03av06.boulder.ibm.com [9.17.195.245]) by d03relay02.boulder.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id q7G1a3qA015308; Wed, 15 Aug 2012 19:36:13 -0600 Received: from d03av06.boulder.ibm.com (loopback [127.0.0.1]) by d03av06.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id q7G1b6WO017162; Wed, 15 Aug 2012 19:37:07 -0600 Received: from d03nm127.boulder.ibm.com (9-16-16-115.AHE.BOULDER.IBM.COM [9.16.16.115] (may be forged)) by d03av06.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id q7G1b61I017159; Wed, 15 Aug 2012 19:37:06 -0600 To: "Mingui Zhang" In-Reply-To: <4552F0907735844E9204A62BBDD325E731FDAF02@SZXEML507-MBS.china.huawei.com> Message-ID: <54B512E4-413C-4A39-B008-E87983D8C633@us.ibm.com> Date: Wed, 15 Aug 2012 19:35:47 -0600 From: Sunny Rajagopalan MIME-Version: 1.0 X-Mailer: Lotus Notes Traveler 8.5.3.2 Build 201205221140 X-MIMETrack: Itemize by Notes Server on D03WGW51/03/G/IBM(Release 8.5.3|September 15, 2011) at 08/15/2012 07:35:47 PM, Serialize by Router on D03NM127/03/M/IBM(Release 8.5.3 ZX853HP5|January 12, 2012) at 08/15/2012 19:35:47 MIME-Version: 1.0 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary=Apple-Mail-019CD97C-6690-4933-8E10-913CA8922CA2 X-Content-Scanned: Fidelis XPS MAILER x-cbid: 12081601-7606-0000-0000-000002D7F2F5 Cc: Erik Nordmark , "trill-bounces@ietf.org" , "trill@ietf.org" Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 16 Aug 2012 01:36:43 -0000 --Apple-Mail-019CD97C-6690-4933-8E10-913CA8922CA2 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Mingui, This solution cannot be evaluated or deployed without knowing it's approach= towards link failures.=20 IMO, the draft is incomplete without it, and a solution should not be defer= red to another draft. -- Sunny On Aug 15, 2012, at 5:54 PM, "Mingui Zhang" wrote: I had read this draft. =20 IMO, the updated version focus on the specific RPFC issue in active-active = multi-homing. The failure recovery from links fails can be regarded as ano= ther common issue of active-active multi-homing, which may be handled in a= separate ID. =20 Thanks, Mingui =20 From: trill-bounces@ietf.org [mailto:trill-bounces@ietf.org] On Behalf Of S= unny Rajagopalan Sent: Thursday, August 16, 2012 6:28 AM To: Erik Nordmark Cc: trill-bounces@ietf.org; trill@ietf.org Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for = TRILL - draft-ietf-trill-cmt-00 =20 I had sent out comments on this a while back, and none of them have been ad= dressed.=20 To summarize the issues:=20 1) What happens when one of the CE-rbridge links fails? The draft doesn't t= alk about this scenario. I listed the possible solutions in my earlier emai= l; are the authors planning to adopt one of them, or do they have another f= ix in mind?=20 2) The solution doesn't work if the CE switches are interconnected, but thi= s is but this is not documented in the draft. What happens if they get inte= rconnected accidentally? What is the process for recovery? This needs to be= discussed in the draft.=20 More details here:=20 http://www.ietf.org/mail-archive/web/trill/current/msg04984.html=20 From: Erik Nordmark =20 To: "trill@ietf.org" =20 Date: 08/15/2012 03:14 PM=20 Subject: [trill] Any comments on Coordinated Multicast Trees (CMT) f= or TRILL - draft-ietf-trill-cmt-00=20 Sent by: trill-bounces@ietf.org We are trying to understand if this document is getting close to WG last=20 call, but we don't know how many have read the document. If you have reviewed the document, please let us know. If not, this might be a good time to review the document and provide=20 comments. Thanks, Erik and Donald =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F trill mailing list trill@ietf.org https://www.ietf.org/mailman/listinfo/trill = --Apple-Mail-019CD97C-6690-4933-8E10-913CA8922CA2 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
Mingui,
This so= lution cannot be evaluated or deployed without knowing it's approach toward= s link failures. 
IMO, the draft is incomplete without it, a= nd a solution should not be deferred to another draft.
--
Sunny


On Aug 15, 2012, at 5:54 PM, "Mingui Zhang" <= zhangmingui@huawei.com> wr= ote:

I had read this draft. =

 

IMO, the updated version foc= us on the specific RPFC issue in active-active multi-homing. The failure re= covery from links fails  can be regarded as another common issue of ac= tive-active multi-homing, which may  be handled in a separate ID.

 = ;

Thanks,

Mingui

 = ;

From: trill-bounc= es@ietf.org [mailto:trill-bounces@ietf.org] On Behalf Of Sunny Rajagopalan
Sent: Thursday, August 16, 2012 6:28 AM
To: Erik Nordmark
Cc: trill-bounces@ietf.org= ; trill@ietf.org
Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CM= T) for TRILL - draft-ietf-trill-cmt-00

 

I had sent out comments on= this a while back, and none of them have been addressed.
To summarize the issues:
1) What happens when one of the CE-rbridge= links fails? The draft doesn't talk about this scenario. I listed the poss= ible solutions in my earlier email; are the authors planning to adopt one of them, or do they have another fix in mind?

2) The solution doesn't work if the CE swi= tches are interconnected, but this is but this is not documented in the dra= ft. What happens if they get interconnected accidentally? What is the process for recovery? This needs to be discussed in the draft.=
More details here:
http://www.ietf.org/mail-archive/web/trill/current/msg04984.html




From:       &n= bsp;Erik Nordmark <nordmark@acm.org>
To:       &nbs= p;"trill@= ietf.org" <trill@ietf.org><= /span>
Date:       &n= bsp;08/15/2012 03:14 PM
Subject:      =  [trill] Any comments on Coordinated = Multicast Trees (CMT) for TRILL        - draft-ietf-trill-cmt-00
Sent by:      =  trill-bounces@ietf.org

=



We are trying to understand if this document is getting close to WG las= t
call, but we don't know how many have read the document.

If you have reviewed the document, please let us know.
If not, this might be a good time to review the document and provide
comments.

Thanks,
   Erik and Donald
=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F
trill mailing list
trill@ietf.org
https://www.ietf.org/mailman/= listinfo/trill

= = --Apple-Mail-019CD97C-6690-4933-8E10-913CA8922CA2-- From rwatve@cisco.com Wed Aug 15 19:12:12 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 393A121F8505; Wed, 15 Aug 2012 19:12:12 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -10.598 X-Spam-Level: X-Spam-Status: No, score=-10.598 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-8] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id aQ3j9tXeJVgP; Wed, 15 Aug 2012 19:12:11 -0700 (PDT) Received: from rcdn-iport-1.cisco.com (rcdn-iport-1.cisco.com [173.37.86.72]) by ietfa.amsl.com (Postfix) with ESMTP id F016821F8504; Wed, 15 Aug 2012 19:12:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=rwatve@cisco.com; l=13450; q=dns/txt; s=iport; t=1345083131; x=1346292731; h=from:to:cc:subject:date:message-id:references: in-reply-to:mime-version; bh=aM5h6RG4tpnER4U+hRw1hKdVv3ZZyzt5tQq0s4WJkzI=; b=Q4fihcoGFsBk/E+dJT3oM5UwGkXLgrxLWinqve/Qz1xPk1u9DxVId8Qy xMFI4mY2aABkUmL2PR+Bf7zPdsho0PlYC0ohcsX4PiqaEyPk3LJmdrLCq h16viSjco1rCHpwaIQ9qTRhzpWGuLkzYJ4MQtUI+hgxwN1Hk0zB8/CKqX Q=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AgEFAPxVLFCtJV2b/2dsb2JhbABFgkq3WYEHgiABAQEEAQEBDwEaQQsQAgEIEQMBAQELHQcnCxQJCAIEAQ0FCAESB4drC5oUoD6LCBqFXWADo3uBZoJfgV8 X-IronPort-AV: E=Sophos;i="4.77,775,1336348800"; d="scan'208,217";a="111825543" Received: from rcdn-core-4.cisco.com ([173.37.93.155]) by rcdn-iport-1.cisco.com with ESMTP; 16 Aug 2012 02:12:10 +0000 Received: from xhc-aln-x15.cisco.com (xhc-aln-x15.cisco.com [173.36.12.89]) by rcdn-core-4.cisco.com (8.14.5/8.14.5) with ESMTP id q7G2CApG010425 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Thu, 16 Aug 2012 02:12:10 GMT Received: from xmb-aln-x15.cisco.com ([169.254.9.98]) by xhc-aln-x15.cisco.com ([173.36.12.89]) with mapi id 14.02.0298.004; Wed, 15 Aug 2012 21:12:09 -0500 From: "Rohit Watve (rwatve)" To: Mingui Zhang , Sunny Rajagopalan , Erik Nordmark Thread-Topic: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 Thread-Index: AQHNezMAqkGuzUfn0EGBRlhzQY5tCZdbx8uAgAAo84D//78fsA== Date: Thu, 16 Aug 2012 02:12:09 +0000 Message-ID: <56285561394EF84F8B369395C9D0265607A4BB@xmb-aln-x15.cisco.com> References: <502C1EA0.7050305@acm.org> <4552F0907735844E9204A62BBDD325E731FDAF02@SZXEML507-MBS.china.huawei.com> In-Reply-To: <4552F0907735844E9204A62BBDD325E731FDAF02@SZXEML507-MBS.china.huawei.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.33.251.148] x-tm-as-product-ver: SMEX-10.2.0.1135-7.000.1014-19116.000 x-tm-as-result: No--54.241300-8.000000-31 x-tm-as-user-approved-sender: No x-tm-as-user-blocked-sender: No Content-Type: multipart/alternative; boundary="_000_56285561394EF84F8B369395C9D0265607A4BBxmbalnx15ciscocom_" MIME-Version: 1.0 Cc: "trill-bounces@ietf.org" , "trill@ietf.org" Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 16 Aug 2012 02:12:12 -0000 --_000_56285561394EF84F8B369395C9D0265607A4BBxmbalnx15ciscocom_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable I have read the draft and it solves the RPF issues in case of active-active= edge. I support it in WG last call. Thanks Rohit From: trill-bounces@ietf.org [mailto:trill-bounces@ietf.org] On Behalf Of M= ingui Zhang Sent: Wednesday, August 15, 2012 5:54 PM To: Sunny Rajagopalan; Erik Nordmark Cc: trill-bounces@ietf.org; trill@ietf.org Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for = TRILL - draft-ietf-trill-cmt-00 I had read this draft. IMO, the updated version focus on the specific RPFC issue in active-active = multi-homing. The failure recovery from links fails can be regarded as ano= ther common issue of active-active multi-homing, which may be handled in a= separate ID. Thanks, Mingui From: trill-bounces@ietf.org [mailto:trill-bounces@ietf.org] On Behalf Of S= unny Rajagopalan Sent: Thursday, August 16, 2012 6:28 AM To: Erik Nordmark Cc: trill-bounces@ietf.org; trill@ietf.org Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for = TRILL - draft-ietf-trill-cmt-00 I had sent out comments on this a while back, and none of them have been ad= dressed. To summarize the issues: 1) What happens when one of the CE-rbridge links fails? The draft doesn't t= alk about this scenario. I listed the possible solutions in my earlier emai= l; are the authors planning to adopt one of them, or do they have another f= ix in mind? 2) The solution doesn't work if the CE switches are interconnected, but thi= s is but this is not documented in the draft. What happens if they get inte= rconnected accidentally? What is the process for recovery? This needs to be= discussed in the draft. More details here: http://www.ietf.org/mail-archive/web/trill/current/msg04984.html From: Erik Nordmark To: "trill@ietf.org" Date: 08/15/2012 03:14 PM Subject: [trill] Any comments on Coordinated Multicast Trees (CMT) f= or TRILL - draft-ietf-trill-cmt-00 Sent by: trill-bounces@ietf.org ________________________________ We are trying to understand if this document is getting close to WG last call, but we don't know how many have read the document. If you have reviewed the document, please let us know. If not, this might be a good time to review the document and provide comments. Thanks, Erik and Donald _______________________________________________ trill mailing list trill@ietf.org https://www.ietf.org/mailman/listinfo/trill --_000_56285561394EF84F8B369395C9D0265607A4BBxmbalnx15ciscocom_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

I have read the draft and it solves the RPF issues in case o= f active-active edge.

I support it in WG last call.

 

Thanks

Rohit

 

From: trill-bo= unces@ietf.org [mailto:trill-bounces@ietf.org] On Behalf Of Mingui Zhang
Sent: Wednesday, August 15, 2012 5:54 PM
To: Sunny Rajagopalan; Erik Nordmark
Cc: trill-bounces@ietf.org; trill@ietf.org
Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CM= T) for TRILL - draft-ietf-trill-cmt-00

 

I had read this draft.

 

IMO, the updated version focus on the specific RP= FC issue in active-active multi-homing. The failure recovery from links fai= ls  can be regarded as another common issue of active-active multi-hom= ing, which may  be handled in a separate ID.

 

Thanks,

Mingui

 

From: trill-bo= unces@ietf.org [mailto:trill-bounces@ietf.org] On Behalf Of Sunny Rajagopalan
Sent: Thursday, August 16, 2012 6:28 AM
To: Erik Nordmark
Cc: trill-bounces@ietf.org; trill@ietf.org
Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CM= T) for TRILL - draft-ietf-trill-cmt-00

 

I had sent out comments on this a while b= ack, and none of them have been addressed.
To summarize the issues:
1) What happens when one of the CE-rbridge links fails? The draf= t doesn't talk about this scenario. I listed the possible solutions in my e= arlier email; are the authors planning to adopt one of them, or do they have another fix in mind?

2) The solution doesn't work if the CE switches are interconnect= ed, but this is but this is not documented in the draft. What happens if th= ey get interconnected accidentally? What is the process for recovery? This needs to be discussed in the draft.
More details here:
http://www.ietf.org/mail-archive/web/trill/current/msg04984.html




From:        Erik Nordmark <nordmark@acm.or= g>
To:        "trill@ietf.org" <tr= ill@ietf.org>
Date:        08/15/2012 03:14 PM
Subject:        [trill] Any comments on Coordinat= ed Multicast Trees (CMT) for TRILL        - draft-ietf-= trill-cmt-00
Sent by:        trill-bounces@ietf.org





We are trying to understand if this document is getting close to WG las= t
call, but we don't know how many have read the document.

If you have reviewed the document, please let us know.
If not, this might be a good time to review the document and provide
comments.

Thanks,
   Erik and Donald
_______________________________________________
trill mailing list
trill@ietf.org
https://www.ietf.org/mailman/listinfo/trill=

--_000_56285561394EF84F8B369395C9D0265607A4BBxmbalnx15ciscocom_-- From zhangmingui@huawei.com Thu Aug 16 01:11:51 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 60C9C21F84A7; Thu, 16 Aug 2012 01:11:51 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.499 X-Spam-Level: X-Spam-Status: No, score=-6.499 tagged_above=-999 required=5 tests=[AWL=0.099, BAYES_00=-2.599, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-4] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ATbl2Q-nU5CB; Thu, 16 Aug 2012 01:11:50 -0700 (PDT) Received: from dfwrgout.huawei.com (dfwrgout.huawei.com [206.16.17.72]) by ietfa.amsl.com (Postfix) with ESMTP id 35DC421F8487; Thu, 16 Aug 2012 01:11:50 -0700 (PDT) Received: from 172.18.9.243 (EHLO dfweml202-edg.china.huawei.com) ([172.18.9.243]) by dfwrg01-dlp.huawei.com (MOS 4.3.5-GA FastPath) with ESMTP id AJL53893; Thu, 16 Aug 2012 00:11:47 -0800 (PST) Received: from DFWEML407-HUB.china.huawei.com (10.193.5.132) by dfweml202-edg.china.huawei.com (172.18.9.108) with Microsoft SMTP Server (TLS) id 14.1.323.3; Thu, 16 Aug 2012 01:08:21 -0700 Received: from SZXEML430-HUB.china.huawei.com (10.72.61.38) by dfweml407-hub.china.huawei.com (10.193.5.132) with Microsoft SMTP Server (TLS) id 14.1.323.3; Thu, 16 Aug 2012 01:08:19 -0700 Received: from SZXEML507-MBS.china.huawei.com ([169.254.7.110]) by szxeml430-hub.china.huawei.com ([10.72.61.38]) with mapi id 14.01.0323.003; Thu, 16 Aug 2012 16:08:12 +0800 From: Mingui Zhang To: Sunny Rajagopalan Thread-Topic: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 Thread-Index: AQHNezL9InyrqN81T06s3GzLSYoEBJda7d2AgACq/LD//4mQgIAA79BA Date: Thu, 16 Aug 2012 08:08:11 +0000 Message-ID: <4552F0907735844E9204A62BBDD325E731FDAFC2@SZXEML507-MBS.china.huawei.com> References: <4552F0907735844E9204A62BBDD325E731FDAF02@SZXEML507-MBS.china.huawei.com> <54B512E4-413C-4A39-B008-E87983D8C633@us.ibm.com> In-Reply-To: <54B512E4-413C-4A39-B008-E87983D8C633@us.ibm.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.111.103.7] Content-Type: multipart/alternative; boundary="_000_4552F0907735844E9204A62BBDD325E731FDAFC2SZXEML507MBSchi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected Cc: Erik Nordmark , "trill-bounces@ietf.org" , "trill@ietf.org" Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." 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L2E+PGZvbnQgc2l6ZT0yIGZhY2U9IkNvdXJpZXIgTmV3Ij48YnI+DQo8YnI+DQo8L2ZvbnQ+PHR0 Pjxmb250IHNpemU9Mj5fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXzxicj4NCnRyaWxsIG1haWxpbmcgbGlzdDxicj4NCnRyaWxsQGlldGYub3JnPGJyPg0KaHR0 cHM6Ly93d3cuaWV0Zi5vcmcvbWFpbG1hbi9saXN0aW5mby90cmlsbDxicj4NCjwvZm9udD48L3R0 Pg0KPGJyPg0K --=_alternative 003559A348257A5C_=-- From varshah@cisco.com Thu Aug 16 11:32:47 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C78B921F85D0; Thu, 16 Aug 2012 11:32:47 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -10.598 X-Spam-Level: X-Spam-Status: No, score=-10.598 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-8] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id EQIXfqSo+X9t; Thu, 16 Aug 2012 11:32:46 -0700 (PDT) Received: from rcdn-iport-9.cisco.com (rcdn-iport-9.cisco.com [173.37.86.80]) by ietfa.amsl.com (Postfix) with ESMTP id 866D521F846A; Thu, 16 Aug 2012 11:32:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=16391; q=dns/txt; s=iport; t=1345141966; x=1346351566; h=from:to:cc:subject:date:message-id:in-reply-to: mime-version; bh=D5w4ur27ksqoyegC7+y96xNkjlFlGEEEP4+JrKXIsy0=; b=iGsOWrL6FKhjFtlFPil2F6OzMx3eU/I0pGEF8MvglQMQkccuRMX2Kwz/ L+RPDXO6oRLyAxxSBD2OhxmBDbCKmHz89PQQXNcwDHdHRNY9hnxsySRcK HAodgmIyHGBiDorlxoTO/gL5TmT5Yh3fydc3IxX+xg00tyxUpiyBLZnDW U=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AgAFAFM8LVCtJXHA/2dsb2JhbABFgkq3Y4EHgiABAQEEAQEBDwEaQQsSAQgRAwEBASguCxQJCAIEAQ0FCRIHh2sLmjygQosKGoY9A5VPjiyBZoJfgV8 X-IronPort-AV: E=Sophos;i="4.77,780,1336348800"; d="scan'208,217";a="109339936" Received: from rcdn-core2-5.cisco.com ([173.37.113.192]) by rcdn-iport-9.cisco.com with ESMTP; 16 Aug 2012 18:32:45 +0000 Received: from xhc-aln-x15.cisco.com (xhc-aln-x15.cisco.com [173.36.12.89]) by rcdn-core2-5.cisco.com (8.14.5/8.14.5) with ESMTP id q7GIWjnk004563 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Thu, 16 Aug 2012 18:32:45 GMT Received: from xmb-aln-x05.cisco.com ([169.254.11.223]) by xhc-aln-x15.cisco.com ([173.36.12.89]) with mapi id 14.02.0298.004; Thu, 16 Aug 2012 13:32:44 -0500 From: "Varun Shah (varshah)" To: "Rohit Watve (rwatve)" , Mingui Zhang , Sunny Rajagopalan , Erik Nordmark Thread-Topic: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 Thread-Index: AQHNe92GUY9E7Ktpw0+6ZI+ygH8mTw== Date: Thu, 16 Aug 2012 18:32:44 +0000 Message-ID: In-Reply-To: <56285561394EF84F8B369395C9D0265607A4BB@xmb-aln-x15.cisco.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/14.2.3.120616 x-originating-ip: [10.155.130.132] x-tm-as-product-ver: SMEX-10.2.0.1135-7.000.1014-19120.000 x-tm-as-result: No--42.105900-8.000000-31 x-tm-as-user-approved-sender: No x-tm-as-user-blocked-sender: No Content-Type: multipart/alternative; boundary="_000_CC527A2B15FFCvarshahciscocom_" MIME-Version: 1.0 Cc: "trill-bounces@ietf.org" , "trill@ietf.org" Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 16 Aug 2012 18:32:47 -0000 --_000_CC527A2B15FFCvarshahciscocom_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable I have read the draft and support it for the WG last call. Thanks, -Varun From: "Rohit Watve (rwatve)" > Date: Wednesday, August 15, 2012 7:12 PM To: Mingui Zhang >, S= unny Rajagopalan >, Erik Nordmark > Cc: "trill-bounces@ietf.org" >, "trill@ietf.org" > Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for = TRILL - draft-ietf-trill-cmt-00 I have read the draft and it solves the RPF issues in case of active-active= edge. I support it in WG last call. Thanks Rohit From: trill-bounces@ietf.org [mailto:trill-b= ounces@ietf.org]On Behalf Of Mingui Zhang Sent: Wednesday, August 15, 2012 5:54 PM To: Sunny Rajagopalan; Erik Nordmark Cc: trill-bounces@ietf.org; trill@ietf.org Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for = TRILL - draft-ietf-trill-cmt-00 I had read this draft. IMO, the updated version focus on the specific RPFC issue in active-active = multi-homing. The failure recovery from links fails can be regarded as ano= ther common issue of active-active multi-homing, which may be handled in a= separate ID. Thanks, Mingui From: trill-bounces@ietf.org [mailto:trill-b= ounces@ietf.org] On Behalf Of Sunny Rajagopalan Sent: Thursday, August 16, 2012 6:28 AM To: Erik Nordmark Cc: trill-bounces@ietf.org; trill@ietf.org Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for = TRILL - draft-ietf-trill-cmt-00 I had sent out comments on this a while back, and none of them have been ad= dressed. To summarize the issues: 1) What happens when one of the CE-rbridge links fails? The draft doesn't t= alk about this scenario. I listed the possible solutions in my earlier emai= l; are the authors planning to adopt one of them, or do they have another f= ix in mind? 2) The solution doesn't work if the CE switches are interconnected, but thi= s is but this is not documented in the draft. What happens if they get inte= rconnected accidentally? What is the process for recovery? This needs to be= discussed in the draft. More details here: http://www.ietf.org/mail-archive/web/trill/current/msg04984.html From: Erik Nordmark > To: "trill@ietf.org" > Date: 08/15/2012 03:14 PM Subject: [trill] Any comments on Coordinated Multicast Trees (CMT) f= or TRILL - draft-ietf-trill-cmt-00 Sent by: trill-bounces@ietf.org ________________________________ We are trying to understand if this document is getting close to WG last call, but we don't know how many have read the document. If you have reviewed the document, please let us know. If not, this might be a good time to review the document and provide comments. Thanks, Erik and Donald _______________________________________________ trill mailing list trill@ietf.org https://www.ietf.org/mailman/listinfo/trill --_000_CC527A2B15FFCvarshahciscocom_ Content-Type: text/html; charset="us-ascii" Content-ID: <85512297C1E24F4E97055D7DB01EBA12@cisco.com> Content-Transfer-Encoding: quoted-printable
I have read the draft and support it for the WG last call.

Thanks,
-Varun

From: "Rohit Watve (rwatve)&qu= ot; <rwatve@cisco.com>
Date: Wednesday, August 15, 2012 7:= 12 PM
To: Mingui Zhang <zhangmingui@huawei.com>, Sunny Rajagopal= an <sunny.rajagopalan@us= .ibm.com>, Erik Nordmark <nor= dmark@acm.org>
Cc: "trill-bounces@ietf.org" <trill-bounces@ietf.org>, "trill@ietf.org" <trill@ietf.org>
Subject: Re: [trill] Any comments o= n Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00

I have read the draft and it solve= s the RPF issues in case of active-active edge.

I support it in WG last call.=

 

Thanks

Rohit

 

From: trill-bounces@ietf.org [mailto:trill-bounces@ietf.org]O= n Behalf Of Mingui Zhang
Sent: Wednesday, August 15, 2012 5:54 PM
To: Sunny Rajagopalan; Erik Nordmark
Cc: trill-bounces@ietf.org= ; trill@ietf.org
Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CM= T) for TRILL - draft-ietf-trill-cmt-00

 

I had read this draft.

 

IMO, the updated version focus on the specific RP= FC issue in active-active multi-homing. The failure recovery from links fai= ls  can be regarded as another common issue of active-active multi-hom= ing, which may  be handled in a separate ID.

 

Thanks,

Mingui

 

From: trill-bounces@ietf.org [mailto:trill-bounces@ietf.org] On Behalf Of Sunny Rajagopalan
Sent: Thursday, August 16, 2012 6:28 AM
To: Erik Nordmark
Cc: trill-bounces@ietf.org= ; trill@ietf.org
Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CM= T) for TRILL - draft-ietf-trill-cmt-00

 

I had sent out comments on this a while back, and none of the= m have been addressed.
To summar= ize the issues:
1) What h= appens when one of the CE-rbridge links fails? The draft doesn't talk about= this scenario. I listed the possible solutions in my earlier email; are th= e authors planning to adopt one of them, or do they have another fix in mind?

2) The so= lution doesn't work if the CE switches are interconnected, but this is but = this is not documented in the draft. What happens if they get interconnecte= d accidentally? What is the process for recovery? This needs to be discussed in the draft.
More deta= ils here:
http://www.ietf.org/mail-archive/web/trill/current/msg04984.html




From:        Erik Nordmark <nordmark@acm.org>
To:        "trill@ietf.org" <t= rill@ietf.org>
Date:        08/15/2012 03:14 PM<= br> Subject:        [trill] Any comments on = Coordinated Multicast Trees (CMT) for TRILL        - dr= aft-ietf-trill-cmt-00
Sent by:        trill-bounces@ietf.org





We are trying to understand if this document is getting close to WG las= t
call, but we don't know how many have read the document.

If you have reviewed the document, please let us know.
If not, this might be a good time to review the document and provide
comments.

Thanks,
   Erik and Donald
_______________________________________________
trill mailing list
trill@ietf.org
https://www.ietf.org/mailman/listinfo/trill=

--_000_CC527A2B15FFCvarshahciscocom_-- From ramkumar@cisco.com Thu Aug 16 11:41:44 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6643421F85ED for ; Thu, 16 Aug 2012 11:41:44 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -10.599 X-Spam-Level: X-Spam-Status: No, score=-10.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, RCVD_IN_DNSWL_HI=-8] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id vUZvEpeWVXAz for ; Thu, 16 Aug 2012 11:41:44 -0700 (PDT) Received: from rcdn-iport-5.cisco.com (rcdn-iport-5.cisco.com [173.37.86.76]) by ietfa.amsl.com (Postfix) with ESMTP id C2AB221F85E6 for ; Thu, 16 Aug 2012 11:41:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=ramkumar@cisco.com; l=598; q=dns/txt; s=iport; t=1345142503; x=1346352103; h=from:to:subject:date:message-id:in-reply-to:content-id: content-transfer-encoding:mime-version; bh=Z8I4Y4nMPPqi5qBiJw8Rj6g4Dv1c0Q2HSr9vYn04cXE=; b=VNhc901qQ52yc9ObGOwapjVHMdfgn1RWdOTsGFTvji3/PQILHJwF9uF7 4r1+Pz7ubcdVQBqzfdb0LQ2Fd2ZQU6FTZq13i78Ydpja9wkXyadnid/Id dPQ2c9hAMsW2bf6hMN9bcpwTSIOSGKzMLv3KFkmgNJ3DrNcHHOufjfkQG 4=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AhoFAPQ9LVCtJXG+/2dsb2JhbABFhTq0c4EHgiIBBAEBAQ8BJzQdAQg2NwslAgQBEiKHawuaPqA+BJFhA5VPjiyBZoJf X-IronPort-AV: E=Sophos;i="4.77,780,1336348800"; d="scan'208";a="112332014" Received: from rcdn-core2-3.cisco.com ([173.37.113.190]) by rcdn-iport-5.cisco.com with ESMTP; 16 Aug 2012 18:41:43 +0000 Received: from xhc-aln-x12.cisco.com (xhc-aln-x12.cisco.com [173.36.12.86]) by rcdn-core2-3.cisco.com (8.14.5/8.14.5) with ESMTP id q7GIfgf4007016 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Thu, 16 Aug 2012 18:41:43 GMT Received: from xmb-rcd-x15.cisco.com ([169.254.5.218]) by xhc-aln-x12.cisco.com ([173.36.12.86]) with mapi id 14.02.0298.004; Thu, 16 Aug 2012 13:41:24 -0500 From: "Ramkumar Parameswaran (ramkumar)" To: Erik Nordmark , "trill@ietf.org" Thread-Topic: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 Thread-Index: AQHNe968ymS43Te/EU+VMHwxVBaxEg== Date: Thu, 16 Aug 2012 18:41:24 +0000 Message-ID: In-Reply-To: <502C1EA0.7050305@acm.org> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/14.2.3.120616 x-originating-ip: [10.155.130.223] x-tm-as-product-ver: SMEX-10.2.0.1135-7.000.1014-19116.000 x-tm-as-result: No--32.663700-8.000000-31 x-tm-as-user-approved-sender: No x-tm-as-user-blocked-sender: No Content-Type: text/plain; charset="us-ascii" Content-ID: <31AF4569FB507E4284A7C692AEF9CB15@cisco.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 16 Aug 2012 18:41:44 -0000 Have read the document, and support the WG last call. Thanks, Ramkumar On 8/15/12 3:11 PM, "Erik Nordmark" wrote: > >We are trying to understand if this document is getting close to WG last >call, but we don't know how many have read the document. > >If you have reviewed the document, please let us know. >If not, this might be a good time to review the document and provide >comments. > >Thanks, > Erik and Donald >_______________________________________________ >trill mailing list >trill@ietf.org >https://www.ietf.org/mailman/listinfo/trill From ayabaner@gmail.com Thu Aug 16 22:27:08 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 723F221F8462; Thu, 16 Aug 2012 22:27:08 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.373 X-Spam-Level: X-Spam-Status: No, score=-2.373 tagged_above=-999 required=5 tests=[AWL=-1.224, BAYES_00=-2.599, MIME_CHARSET_FARAWAY=2.45, RCVD_IN_DNSWL_LOW=-1] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ze2VbHHSGblp; Thu, 16 Aug 2012 22:27:07 -0700 (PDT) Received: from mail-we0-f172.google.com (mail-we0-f172.google.com [74.125.82.172]) by ietfa.amsl.com (Postfix) with ESMTP id 78C8921F8452; Thu, 16 Aug 2012 22:27:07 -0700 (PDT) Received: by weyu54 with SMTP id u54so2524852wey.31 for ; Thu, 16 Aug 2012 22:27:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=mzH1f+Jcy9SrM1f2bL7VA5A0Akt5Ihua5RZfLcbKoVg=; b=sLfRjA+egMs9cKJbhhjn6GdPz9uDaf6DxSMD3PNtd/t4S883Hw8FfFrvjEISke+177 pFSv5j5Ra7P3Qs4+cg0NtRMANfqqrgwYQQ090UDn/5R2g4whPodp7IG+kUGvJBJWhPaK +5oy5wgci643jji8MYc/CzsWLAwaR7IPrjVxEbzPx8+/QEY3d3UMpPhT20WxiseI7Zd+ jLCA/ljMIUUbmgogoUSGlNx6B7+3/2aosFmOPqESiKLCyQLbKEx4M0iOTL9opqxDHD6N 7PuLSm4UU4NXq3sHeGnJ36yvKvq9jydOBEZ3pDLx8J7+aReXB2A9Gc53P2sK6jKaKvmz iEkw== MIME-Version: 1.0 Received: by 10.216.135.147 with SMTP id u19mr1895579wei.12.1345181226272; Thu, 16 Aug 2012 22:27:06 -0700 (PDT) Received: by 10.194.59.75 with HTTP; Thu, 16 Aug 2012 22:27:06 -0700 (PDT) In-Reply-To: References: <502C1EA0.7050305@acm.org> Date: Thu, 16 Aug 2012 22:27:06 -0700 Message-ID: From: Ayan Banerjee To: liao.ting@zte.com.cn Content-Type: text/plain; charset=GB2312 Content-Transfer-Encoding: quoted-printable Cc: Erik Nordmark , trill-bounces@ietf.org, "trill@ietf.org" Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 17 Aug 2012 05:27:08 -0000 Liao, Just to get the entire context of the Section that you quote from the RFC: How an ingress RBridge chooses the distribution tree or trees that it uses for multi-destination frames is beyond the scope of this document. However, for the reasons stated above, in the absence of other factors, a good choice is the tree whose root is least cost from the ingress RBridge and that is the default for an ingress RBridge that uses a single tree to distribute multi-destination frames. The RFC clearly states that it is outside its scope and has a suggestion regarding root choice. This draft provides the "other factors" to influence the choice of trees. Thanks, Ayan On Thu, Aug 16, 2012 at 1:40 AM, wrote: > > > I have read this draft and have a question about section 5.1, > it describes how to distribute the trees among edge RB members of a group= as follow: > Assign each tree to RBi such that tree number { (tree_number) % > k}+1 is assigned to RBridge i for tree_number from 1 to n. where n > is the number of trees and k is the number of RBridges considered > for tree allocation. > > And in RFC 6325 section 4.5 describes: > a good choice is the tree whose root is least cost > from the ingress RBridge and that is the default for an ingress > RBridge that uses a single tree to distribute multi-destination > frames. > > So, if a network has two trees, the first tree root is RBi and the second= tree root is RBj, > a group has two member RBridges RB1 and RB2, numerically ascending order = by SystemID such that RB1 RBi is assigned to RB1 and RBj is assigned to RB2 as described in this dr= aft, > but maybe RB1 is closer to RBj and RB2 is closer to RBi, does the solutio= n care about this? > > > > Erik Nordmark > =B7=A2=BC=FE=C8=CB: trill-bounces@ietf.org > > 2012-08-16 06:11 > > =CA=D5=BC=FE=C8=CB > "trill@ietf.org" > =B3=AD=CB=CD > =D6=F7=CC=E2 > [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL = - draft-ietf-trill-cmt-00 > > > > > > > We are trying to understand if this document is getting close to WG last > call, but we don't know how many have read the document. > > If you have reviewed the document, please let us know. > If not, this might be a good time to review the document and provide > comments. > > Thanks, > Erik and Donald > _______________________________________________ > trill mailing list > trill@ietf.org > https://www.ietf.org/mailman/listinfo/trill > > > > _______________________________________________ > trill mailing list > trill@ietf.org > https://www.ietf.org/mailman/listinfo/trill > From liao.ting@zte.com.cn Fri Aug 17 00:49:21 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id AC5AF21F855E; Fri, 17 Aug 2012 00:49:21 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -97.335 X-Spam-Level: X-Spam-Status: No, score=-97.335 tagged_above=-999 required=5 tests=[AWL=-0.300, BAYES_00=-2.599, HTML_MESSAGE=0.001, J_CHICKENPOX_83=0.6, MIME_BASE64_TEXT=1.753, MIME_CHARSET_FARAWAY=2.45, RCVD_DOUBLE_IP_LOOSE=0.76, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 9MP+sFW+7I87; Fri, 17 Aug 2012 00:49:21 -0700 (PDT) Received: from mx5.zte.com.cn (mx6.zte.com.cn [95.130.199.165]) by ietfa.amsl.com (Postfix) with ESMTP id 3621921F855B; Fri, 17 Aug 2012 00:49:20 -0700 (PDT) Received: from [10.30.17.100] by mx5.zte.com.cn with surfront esmtp id 107231455586978; Fri, 17 Aug 2012 15:34:21 +0800 (CST) Received: from [10.30.3.21] by [192.168.168.16] with StormMail ESMTP id 67006.4085824829; Fri, 17 Aug 2012 15:49:02 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse02.zte.com.cn with ESMTP id q7H7n6lH031995; Fri, 17 Aug 2012 15:49:06 +0800 (GMT-8) (envelope-from liao.ting@zte.com.cn) In-Reply-To: To: Ayan Banerjee MIME-Version: 1.0 X-KeepSent: 9A207733:506416E6-48257A5D:002984CA; type=4; name=$KeepSent X-Mailer: Lotus Notes Release 6.5.6 March 06, 2007 Message-ID: From: liao.ting@zte.com.cn Date: Fri, 17 Aug 2012 15:48:55 +0800 X-MIMETrack: Serialize by Router on notes_smtp/zte_ltd(Release 8.5.3FP1 HF212|May 23, 2012) at 2012-08-17 15:48:47, Serialize complete at 2012-08-17 15:48:47 Content-Type: multipart/alternative; boundary="=_alternative 002AF31F48257A5D_=" X-MAIL: mse02.zte.com.cn q7H7n6lH031995 Cc: Erik Nordmark , trill-bounces@ietf.org, "trill@ietf.org" Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." 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X-Spam-Flag: NO X-Spam-Score: -6.599 X-Spam-Level: X-Spam-Status: No, score=-6.599 tagged_above=-999 required=5 tests=[AWL=0.000, BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ztjk3j1X3iI2 for ; Fri, 17 Aug 2012 08:37:43 -0700 (PDT) Received: from mms3.broadcom.com (mms3.broadcom.com [216.31.210.19]) by ietfa.amsl.com (Postfix) with ESMTP id C01BD11E80D1 for ; Fri, 17 Aug 2012 08:37:42 -0700 (PDT) Received: from [10.16.192.224] by mms3.broadcom.com with ESMTP (Broadcom SMTP Relay (Email Firewall v6.5)); Fri, 17 Aug 2012 08:35:33 -0700 X-Server-Uuid: B86B6450-0931-4310-942E-F00ED04CA7AF Received: from SJEXCHCAS04.corp.ad.broadcom.com (10.16.203.11) by SJEXCHHUB01.corp.ad.broadcom.com (10.16.192.224) with Microsoft SMTP Server (TLS) id 8.2.247.2; Fri, 17 Aug 2012 08:37:24 -0700 Received: from SJEXCHMB06.corp.ad.broadcom.com ( [fe80::65ea:1de7:41c4:e948]) by SJEXCHCAS04.corp.ad.broadcom.com ( [::1]) with mapi id 14.01.0355.002; Fri, 17 Aug 2012 08:37:24 -0700 From: "Naveen Nimmu" To: "'ramkumar@cisco.com'" , "'nordmark@acm.org'" , "'trill@ietf.org'" Thread-Topic: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 Thread-Index: AQHNezL+Fy/+0eVYyUqsgAV0Tn8A6ZddPGsAgADplFQ= Date: Fri, 17 Aug 2012 15:37:24 +0000 Message-ID: <8FCD488658FD4040A3A2279ABA0AD4830B588D@SJEXCHMB06.corp.ad.broadcom.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.16.194.111] MIME-Version: 1.0 X-WSS-ID: 7C30BB4F49820544678-01-01 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 17 Aug 2012 15:37:44 -0000 I have read the document and it solves a problem to support active - active= mode. I support WG call for the same. Thanks Naveen ----- Original Message ----- From: Ramkumar Parameswaran (ramkumar) [mailto:ramkumar@cisco.com] Sent: Thursday, August 16, 2012 11:41 AM=0A= To: Erik Nordmark ; trill@ietf.org Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for = TRILL - draft-ietf-trill-cmt-00 Have read the document, and support the WG last call. Thanks, Ramkumar On 8/15/12 3:11 PM, "Erik Nordmark" wrote: > >We are trying to understand if this document is getting close to WG last >call, but we don't know how many have read the document. > >If you have reviewed the document, please let us know. >If not, this might be a good time to review the document and provide >comments. > >Thanks, > Erik and Donald >_______________________________________________ >trill mailing list >trill@ietf.org >https://www.ietf.org/mailman/listinfo/trill _______________________________________________ trill mailing list trill@ietf.org https://www.ietf.org/mailman/listinfo/trill From jon.hudson@gmail.com Fri Aug 17 10:27:26 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6858111E809B for ; Fri, 17 Aug 2012 10:27:26 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.901 X-Spam-Level: X-Spam-Status: No, score=-2.901 tagged_above=-999 required=5 tests=[AWL=0.698, BAYES_00=-2.599, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-1] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id NdAM1a+LE-+m for ; Fri, 17 Aug 2012 10:27:25 -0700 (PDT) Received: from mail-vb0-f44.google.com (mail-vb0-f44.google.com [209.85.212.44]) by ietfa.amsl.com (Postfix) with ESMTP id 96BB521F84C5 for ; Fri, 17 Aug 2012 10:27:25 -0700 (PDT) Received: by vbbez10 with SMTP id ez10so4089047vbb.31 for ; Fri, 17 Aug 2012 10:27:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=rereVJ9poM/q7XlGbRL4UyZmEG6kIJFbATt4oPsjzBo=; b=MuqX5FfsFlCECQbKs4al8fyRaNoJ8CBye6i7nG0kpkhMZga58BZLV49s9jYgZB5vpd FI/YBgKN0u+wbkhdRJ0f9CNZ5k25QspQrZn55SRcF/2RbFwsla1kgwkx+5CNA6EtXu8E zY61pT57wSpgBRnukleQhaKltIRvu9MQxXjNY+g8FLwFq7kJvHfl2bYCl0sf4Qya80Ho UAKUSNDeC3YHJtTy3YzFaGKs30VV0S00jwj7K6/n/zay/wnFIKqJORfmhb2Oz5ZwnhCn gSV7fIr3YqT/CfBhjMSCHgAiRmHXSfIvL14Oa1FVDxmyglXwHEwc9skGYo2yD4Pr5YFF 718A== MIME-Version: 1.0 Received: by 10.52.37.73 with SMTP id w9mr59957vdj.34.1345224445035; Fri, 17 Aug 2012 10:27:25 -0700 (PDT) Received: by 10.58.212.229 with HTTP; Fri, 17 Aug 2012 10:27:24 -0700 (PDT) In-Reply-To: <8FCD488658FD4040A3A2279ABA0AD4830B588D@SJEXCHMB06.corp.ad.broadcom.com> References: <8FCD488658FD4040A3A2279ABA0AD4830B588D@SJEXCHMB06.corp.ad.broadcom.com> Date: Fri, 17 Aug 2012 10:27:24 -0700 Message-ID: From: Jon Hudson To: trill@ietf.org Content-Type: multipart/alternative; boundary=20cf30780c643083e904c779795f Cc: "nordmark@acm.org" Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 17 Aug 2012 17:27:26 -0000 --20cf30780c643083e904c779795f Content-Type: text/plain; charset=ISO-8859-1 I too have read the draft and support it for the WG last call. Thanks, Jon On Fri, Aug 17, 2012 at 8:37 AM, Naveen Nimmu wrote: > I have read the document and it solves a problem to support active - > active mode. > I support WG call for the same. > Thanks > Naveen > > ----- Original Message ----- > From: Ramkumar Parameswaran (ramkumar) [mailto:ramkumar@cisco.com] > Sent: Thursday, August 16, 2012 11:41 AM > To: Erik Nordmark ; trill@ietf.org > Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for > TRILL - draft-ietf-trill-cmt-00 > > > > Have read the document, and support the WG last call. > > Thanks, > > Ramkumar > > On 8/15/12 3:11 PM, "Erik Nordmark" wrote: > > > > >We are trying to understand if this document is getting close to WG last > >call, but we don't know how many have read the document. > > > >If you have reviewed the document, please let us know. > >If not, this might be a good time to review the document and provide > >comments. > > > >Thanks, > > Erik and Donald > >_______________________________________________ > >trill mailing list > >trill@ietf.org > >https://www.ietf.org/mailman/listinfo/trill > > _______________________________________________ > trill mailing list > trill@ietf.org > https://www.ietf.org/mailman/listinfo/trill > > > _______________________________________________ > trill mailing list > trill@ietf.org > https://www.ietf.org/mailman/listinfo/trill > -- "Do not lie. And do not do what you hate." --20cf30780c643083e904c779795f Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
I too have read the draft and suppo= rt it for the WG last call.

Thanks,
Jon


On Fri, Aug 17, 2012= at 8:37 AM, Naveen Nimmu <naveen@broadcom.com> wrote:
=
I have read the document and it solves a problem to support active - active= mode.
I support =A0WG call for the same.
Thanks
Naveen

----- Original Message -----
From: Ramkumar Parameswaran (ramkumar) [mailto:ramkumar@cisco.com]
Sent: Thursday, August 16, 2012 11:41 AM
To: Erik Nordmark <nordmark@acm.org<= /a>>; trill@ietf.org <trill@ietf.org>
Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for = TRILL - draft-ietf-trill-cmt-00



Have read the document, and support the WG last call.

Thanks,

Ramkumar

On 8/15/12 3:11 PM, "Erik Nordmark" <nordmark@acm.org> wrote:

>
>We are trying to understand if this document is getting close to WG las= t
>call, but we don't know how many have read the document.
>
>If you have reviewed the document, please let us know.
>If not, this might be a good time to review the document and provide >comments.
>
>Thanks,
> =A0 =A0Erik and Donald
>_______________________________________________
>trill mailing list
>trill@ietf.org
>https://www.ietf.org/mailman/listinfo/trill

_______________________________________________
trill mailing list
trill@ietf.org
h= ttps://www.ietf.org/mailman/listinfo/trill


_______________________________________________
trill mailing list
trill@ietf.org
h= ttps://www.ietf.org/mailman/listinfo/trill



--
= "Do not lie. And do not do what you hate."

--20cf30780c643083e904c779795f-- From sunny.rajagopalan@us.ibm.com Fri Aug 17 10:50:48 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 490A921F8475 for ; Fri, 17 Aug 2012 10:50:48 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -10.598 X-Spam-Level: X-Spam-Status: No, score=-10.598 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-8] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id FoqGZHNgWoeu for ; Fri, 17 Aug 2012 10:50:47 -0700 (PDT) Received: from e39.co.us.ibm.com (e39.co.us.ibm.com [32.97.110.160]) by ietfa.amsl.com (Postfix) with ESMTP id 7E49321F8470 for ; Fri, 17 Aug 2012 10:50:47 -0700 (PDT) Received: from /spool/local by e39.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 17 Aug 2012 11:50:46 -0600 Received: from d03dlp01.boulder.ibm.com (9.17.202.177) by e39.co.us.ibm.com (192.168.1.139) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Fri, 17 Aug 2012 11:50:34 -0600 Received: from d03relay02.boulder.ibm.com (d03relay02.boulder.ibm.com [9.17.195.227]) by d03dlp01.boulder.ibm.com (Postfix) with ESMTP id 4019B1FF0043 for ; Fri, 17 Aug 2012 11:50:33 -0600 (MDT) Received: from d03av06.boulder.ibm.com (d03av06.boulder.ibm.com [9.17.195.245]) by d03relay02.boulder.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id q7HHnw6C138362 for ; Fri, 17 Aug 2012 11:50:02 -0600 Received: from d03av06.boulder.ibm.com (loopback [127.0.0.1]) by d03av06.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id q7HHpHiO025826 for ; Fri, 17 Aug 2012 11:51:17 -0600 Received: from d03nm127.boulder.ibm.com (9-16-16-115.AHE.BOULDER.IBM.COM [9.16.16.115] (may be forged)) by d03av06.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id q7HHpH1c025823 for ; Fri, 17 Aug 2012 11:51:17 -0600 In-Reply-To: References: <502C1EA0.7050305@acm.org> To: "trill@ietf.org" MIME-Version: 1.0 X-KeepSent: C62D16F4:064B9E54-87257A5D:00618E3C; type=4; name=$KeepSent X-Mailer: Lotus Notes Release 8.5.1FP5 SHF29 November 12, 2010 Message-ID: From: Sunny Rajagopalan Date: Fri, 17 Aug 2012 10:50:01 -0700 X-MIMETrack: Serialize by Router on D03NM127/03/M/IBM(Release 8.5.3 ZX853HP5|January 12, 2012) at 08/17/2012 11:49:58, Serialize complete at 08/17/2012 11:49:58 Content-Type: multipart/alternative; boundary="=_alternative 0061F7E288257A5D_=" X-Content-Scanned: Fidelis XPS MAILER x-cbid: 12081717-4242-0000-0000-0000029F1BF7 Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 17 Aug 2012 17:50:48 -0000 This is a multipart message in MIME format. --=_alternative 0061F7E288257A5D_= Content-Type: text/plain; charset="US-ASCII" Are the authors of this draft planning to respond to these comments at all? A protocol spec that doesn't talk about what to do on link failure is incomplete, to say the least. From: Sunny Rajagopalan/Santa Clara/IBM@IBMUS To: Erik Nordmark Cc: trill-bounces@ietf.org, "trill@ietf.org" Date: 08/15/2012 03:28 PM Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 Sent by: trill-bounces@ietf.org I had sent out comments on this a while back, and none of them have been addressed. To summarize the issues: 1) What happens when one of the CE-rbridge links fails? The draft doesn't talk about this scenario. I listed the possible solutions in my earlier email; are the authors planning to adopt one of them, or do they have another fix in mind? 2) The solution doesn't work if the CE switches are interconnected, but this is but this is not documented in the draft. What happens if they get interconnected accidentally? What is the process for recovery? This needs to be discussed in the draft. More details here: http://www.ietf.org/mail-archive/web/trill/current/msg04984.html From: Erik Nordmark To: "trill@ietf.org" Date: 08/15/2012 03:14 PM Subject: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 Sent by: trill-bounces@ietf.org We are trying to understand if this document is getting close to WG last call, but we don't know how many have read the document. If you have reviewed the document, please let us know. If not, this might be a good time to review the document and provide comments. Thanks, Erik and Donald _______________________________________________ trill mailing list trill@ietf.org https://www.ietf.org/mailman/listinfo/trill _______________________________________________ trill mailing list trill@ietf.org https://www.ietf.org/mailman/listinfo/trill --=_alternative 0061F7E288257A5D_= Content-Type: text/html; charset="US-ASCII" Are the authors of this draft planning to respond to these comments at all? A protocol spec that doesn't talk about what to do on link failure is incomplete, to say the least.



From:        Sunny Rajagopalan/Santa Clara/IBM@IBMUS
To:        Erik Nordmark <nordmark@acm.org>
Cc:        trill-bounces@ietf.org, "trill@ietf.org" <trill@ietf.org>
Date:        08/15/2012 03:28 PM
Subject:        Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL        - draft-ietf-trill-cmt-00
Sent by:        trill-bounces@ietf.org



I had sent out comments on this a while back, and none of them have been addressed.
To summarize the issues:
1) What happens when one of the CE-rbridge links fails? The draft doesn't talk about this scenario. I listed the possible solutions in my earlier email; are the authors planning to adopt one of them, or do they have another fix in mind?

2) The solution doesn't work if the CE switches are interconnected, but this is but this is not documented in the draft. What happens if they get interconnected accidentally? What is the process for recovery? This needs to be discussed in the draft.
More details here:
http://www.ietf.org/mail-archive/web/trill/current/msg04984.html




From:        Erik Nordmark <nordmark@acm.org>
To:        "trill@ietf.org" <trill@ietf.org>
Date:        08/15/2012 03:14 PM
Subject:        [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL        - draft-ietf-trill-cmt-00
Sent by:        trill-bounces@ietf.org




We are trying to understand if this document is getting close to WG last
call, but we don't know how many have read the document.

If you have reviewed the document, please let us know.
If not, this might be a good time to review the document and provide
comments.

Thanks,
  Erik and Donald
_______________________________________________
trill mailing list
trill@ietf.org
https://www.ietf.org/mailman/listinfo/trill

_______________________________________________
trill mailing list
trill@ietf.org
https://www.ietf.org/mailman/listinfo/trill
--=_alternative 0061F7E288257A5D_=-- From d3e3e3@gmail.com Fri Aug 17 11:15:42 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D25FD11E80D1 for ; Fri, 17 Aug 2012 11:15:42 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -103.525 X-Spam-Level: X-Spam-Status: No, score=-103.525 tagged_above=-999 required=5 tests=[AWL=0.074, BAYES_00=-2.599, RCVD_IN_DNSWL_LOW=-1, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Dqxo2jEFQyGb for ; Fri, 17 Aug 2012 11:15:42 -0700 (PDT) Received: from mail-ob0-f172.google.com (mail-ob0-f172.google.com [209.85.214.172]) by ietfa.amsl.com (Postfix) with ESMTP id E4A7E11E809B for ; Fri, 17 Aug 2012 11:15:41 -0700 (PDT) Received: by obbwc20 with SMTP id wc20so6378290obb.31 for ; Fri, 17 Aug 2012 11:15:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=MOF8gXTKmbstwu2/J+WN5H/y7/yrnz4o0teFIIc73JU=; b=zCyWe3IsrEfMxoAi/2/Adr04eWyx77px/Ob+CUg6s9I7JlDd4bmkaRtlyYLzgQUCyN DPX/hMwWXsXt2Wgzh50+LKKyOisBogRdHsvSIJp8mFM64Dg0fKxYpbYLh3/sxIjA0kGE y5pBMc2Ns86SxMV+9lEIgwRiJdBg5I6CIenjmPYLCgfVj0UQmHqm8k11LimEORRKlHvg wVf4htczTCTccUwYj2HYWnEZKxxvpJFKB15J9RncGEMoFw096YHR9mNtaqL+VXoMC/Ka TMboFE3Smt/qWzcc816z9QuQYX6xxm7kjPaKgvcesMnpKV2uA5XThh8RM3UOZ1Da4H1N Rq/g== Received: by 10.182.85.8 with SMTP id d8mr4458507obz.70.1345227341471; Fri, 17 Aug 2012 11:15:41 -0700 (PDT) MIME-Version: 1.0 Received: by 10.60.80.100 with HTTP; Fri, 17 Aug 2012 11:15:21 -0700 (PDT) In-Reply-To: References: <502C1EA0.7050305@acm.org> From: Donald Eastlake Date: Fri, 17 Aug 2012 14:15:21 -0400 Message-ID: To: Sunny Rajagopalan Content-Type: text/plain; charset=ISO-8859-1 Cc: "trill@ietf.org" Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 17 Aug 2012 18:15:42 -0000 Hi Sunny, I'm not an author but I'll respond further to your earlier mail. Thanks, Donald ============================= Donald E. Eastlake 3rd +1-508-333-2270 (cell) 155 Beaver Street, Milford, MA 01757 USA d3e3e3@gmail.com On Fri, Aug 17, 2012 at 1:50 PM, Sunny Rajagopalan wrote: > Are the authors of this draft planning to respond to these comments at all? > A protocol spec that doesn't talk about what to do on link failure is > incomplete, to say the least. > > > > From: Sunny Rajagopalan/Santa Clara/IBM@IBMUS > To: Erik Nordmark > Cc: trill-bounces@ietf.org, "trill@ietf.org" > Date: 08/15/2012 03:28 PM > Subject: Re: [trill] Any comments on Coordinated Multicast Trees > (CMT) for TRILL - draft-ietf-trill-cmt-00 > Sent by: trill-bounces@ietf.org > ________________________________ > > > > I had sent out comments on this a while back, and none of them have been > addressed. > To summarize the issues: > 1) What happens when one of the CE-rbridge links fails? The draft doesn't > talk about this scenario. I listed the possible solutions in my earlier > email; are the authors planning to adopt one of them, or do they have > another fix in mind? > > 2) The solution doesn't work if the CE switches are interconnected, but this > is but this is not documented in the draft. What happens if they get > interconnected accidentally? What is the process for recovery? This needs to > be discussed in the draft. > More details here: > http://www.ietf.org/mail-archive/web/trill/current/msg04984.html > > > > > From: Erik Nordmark > To: "trill@ietf.org" > Date: 08/15/2012 03:14 PM > Subject: [trill] Any comments on Coordinated Multicast Trees (CMT) > for TRILL - draft-ietf-trill-cmt-00 > Sent by: trill-bounces@ietf.org > ________________________________ > > > > > We are trying to understand if this document is getting close to WG last > call, but we don't know how many have read the document. > > If you have reviewed the document, please let us know. > If not, this might be a good time to review the document and provide > comments. > > Thanks, > Erik and Donald > _______________________________________________ > trill mailing list > trill@ietf.org > https://www.ietf.org/mailman/listinfo/trill > > _______________________________________________ > trill mailing list > trill@ietf.org > https://www.ietf.org/mailman/listinfo/trill > > > _______________________________________________ > trill mailing list > trill@ietf.org > https://www.ietf.org/mailman/listinfo/trill > From ghanwani@gmail.com Fri Aug 17 15:50:36 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0C18421F8496 for ; Fri, 17 Aug 2012 15:50:36 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.936 X-Spam-Level: X-Spam-Status: No, score=-2.936 tagged_above=-999 required=5 tests=[AWL=0.041, BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, RCVD_IN_DNSWL_LOW=-1] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id VSMDkQqbQi7v for ; Fri, 17 Aug 2012 15:50:35 -0700 (PDT) Received: from mail-vc0-f172.google.com (mail-vc0-f172.google.com [209.85.220.172]) by ietfa.amsl.com (Postfix) with ESMTP id 71B4021F848B for ; Fri, 17 Aug 2012 15:50:35 -0700 (PDT) Received: by vcbfo14 with SMTP id fo14so3948970vcb.31 for ; Fri, 17 Aug 2012 15:50:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; bh=OG+rqEh4zQatfFe6wyUMiGIOhQ7uTSGcuDSd2+6dEIU=; b=yHZmnozLxtWIPDCaSfiDlD0e2rU3SvDZgsRm2lNdtqrIxFGD4hu3pjsdkPdtBLfOtL g/DvqO3ZEBjCV+s2KBj6VnFidkt3e/6iNTw7hxwvpNJoIhJxDZDNbi/lo+TV1v5oZJ5v 77XpnfFY0JjPOrC9XqDXVlsvS5FDTP49xj/QSlAvpFQU2axckM2GbGupMkr6hWoYFsJ8 /Fc0zF3eLG+67cM5qEaRmmis911/5fTyhzgwDRRD741tNK+D8FMHRbkvaNOa3z8PBnXg HnwAEVxI7sBj/+XNdHmYi+Oes6SxCGQ1cUcECmmPDOZZR897gOv9N1YwYUIVsWGvxPif cUdA== MIME-Version: 1.0 Received: by 10.220.141.208 with SMTP id n16mr3947739vcu.22.1345243834810; Fri, 17 Aug 2012 15:50:34 -0700 (PDT) Sender: ghanwani@gmail.com Received: by 10.221.0.84 with HTTP; Fri, 17 Aug 2012 15:50:34 -0700 (PDT) In-Reply-To: <502C1EA0.7050305@acm.org> References: <502C1EA0.7050305@acm.org> Date: Fri, 17 Aug 2012 15:50:34 -0700 X-Google-Sender-Auth: n_p4qwbzYNu6gPmUeqx_Xgt8seM Message-ID: From: Anoop Ghanwani To: Erik Nordmark Content-Type: text/plain; charset=ISO-8859-1 Cc: "trill@ietf.org" Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 17 Aug 2012 22:50:36 -0000 I would support the document going to WG last call. There are some obvious typos and some things that need to be clarified (e.g. what is a CE node), but that can be cleaned up as part of the last call process. Anoop On Wed, Aug 15, 2012 at 3:11 PM, Erik Nordmark wrote: > > We are trying to understand if this document is getting close to WG last > call, but we don't know how many have read the document. > > If you have reviewed the document, please let us know. > If not, this might be a good time to review the document and provide > comments. > > Thanks, > Erik and Donald > _______________________________________________ > trill mailing list > trill@ietf.org > https://www.ietf.org/mailman/listinfo/trill From shivakumar@force10networks.com Fri Aug 17 20:24:34 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 44DEE21E805A for ; Fri, 17 Aug 2012 20:24:34 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.599 X-Spam-Level: X-Spam-Status: No, score=-2.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id jhFcjdlyRSHP for ; Fri, 17 Aug 2012 20:24:33 -0700 (PDT) Received: from mx.force10networks.com (maa.force10networks.com [59.163.202.254]) by ietfa.amsl.com (Postfix) with ESMTP id 6F05B21E8048 for ; Fri, 17 Aug 2012 20:24:30 -0700 (PDT) Received: from EXCH-CLUSTER-11.force10networks.com ([10.16.127.21]) by exch7-maa-fe.force10networks.com ([10.16.126.10]) with mapi; Sat, 18 Aug 2012 08:54:26 +0530 From: Shivakumar Sundaram To: "'anoop@alumni.duke.edu'" , "'nordmark@acm.org'" Date: Sat, 18 Aug 2012 08:54:24 +0530 Thread-Topic: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 Thread-Index: Ac18yrp/CgPfq0dUSxOF5vnT093AAQAJjyP3 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Cc: "'trill@ietf.org'" Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 18 Aug 2012 03:24:34 -0000 SSBoYXZlIHJlYWQgdGhlIGRyYWZ0IGFuZCBJIGZlZWwgaXQgc29sdmVzIGFuIGltcG9ydGFudCBw cm9ibGVtIG9mIGhhbmRsaW5nIGFjdGl2ZS9hY3RpdmUgbXVsdGlob21pbmcgb2YgdHJhZmZpYyBp bnRvIHRoZSBUcmlsbCBmYWJyaWMuICBJIHN1cHBvcnQgdGhlIGFkb3B0aW9uIG9mIHRoaXMgZHJh ZnQgZm9yIFdHIGxhc3QgY2FsbC4NCi0NClRoYW5rcywNClNoaXZhDQoNCg0KLS0tLS0gT3JpZ2lu YWwgTWVzc2FnZSAtLS0tLQ0KRnJvbTogdHJpbGwtYm91bmNlc0BpZXRmLm9yZyA8dHJpbGwtYm91 bmNlc0BpZXRmLm9yZz4NClRvOiBFcmlrIE5vcmRtYXJrIDxub3JkbWFya0BhY20ub3JnPg0KQ2M6 IHRyaWxsQGlldGYub3JnIDx0cmlsbEBpZXRmLm9yZz4NClNlbnQ6IFNhdCBBdWcgMTggMDQ6MjA6 MzQgMjAxMgpTdWJqZWN0OiBSZTogW3RyaWxsXSBBbnkgY29tbWVudHMgb24gQ29vcmRpbmF0ZWQg TXVsdGljYXN0IFRyZWVzIChDTVQpIGZvciBUUklMTCAtIGRyYWZ0LWlldGYtdHJpbGwtY210LTAw DQoNCkkgd291bGQgc3VwcG9ydCB0aGUgZG9jdW1lbnQgZ29pbmcgdG8gV0cgbGFzdA0KY2FsbC4g IFRoZXJlIGFyZSBzb21lIG9idmlvdXMgdHlwb3MgYW5kIHNvbWUNCnRoaW5ncyB0aGF0IG5lZWQg dG8gYmUgY2xhcmlmaWVkIChlLmcuIHdoYXQgaXMgYQ0KQ0Ugbm9kZSksIGJ1dCB0aGF0IGNhbiBi ZSBjbGVhbmVkIHVwIGFzIHBhcnQNCm9mIHRoZSBsYXN0IGNhbGwgcHJvY2Vzcy4NCg0KQW5vb3AN Cg0KT24gV2VkLCBBdWcgMTUsIDIwMTIgYXQgMzoxMSBQTSwgRXJpayBOb3JkbWFyayA8bm9yZG1h cmtAYWNtLm9yZz4gd3JvdGU6DQo+DQo+IFdlIGFyZSB0cnlpbmcgdG8gdW5kZXJzdGFuZCBpZiB0 aGlzIGRvY3VtZW50IGlzIGdldHRpbmcgY2xvc2UgdG8gV0cgbGFzdA0KPiBjYWxsLCBidXQgd2Ug ZG9uJ3Qga25vdyBob3cgbWFueSBoYXZlIHJlYWQgdGhlIGRvY3VtZW50Lg0KPg0KPiBJZiB5b3Ug aGF2ZSByZXZpZXdlZCB0aGUgZG9jdW1lbnQsIHBsZWFzZSBsZXQgdXMga25vdy4NCj4gSWYgbm90 LCB0aGlzIG1pZ2h0IGJlIGEgZ29vZCB0aW1lIHRvIHJldmlldyB0aGUgZG9jdW1lbnQgYW5kIHBy b3ZpZGUNCj4gY29tbWVudHMuDQo+DQo+IFRoYW5rcywNCj4gICAgRXJpayBhbmQgRG9uYWxkDQo+ IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fDQo+IHRyaWxs IG1haWxpbmcgbGlzdA0KPiB0cmlsbEBpZXRmLm9yZw0KPiBodHRwczovL3d3dy5pZXRmLm9yZy9t YWlsbWFuL2xpc3RpbmZvL3RyaWxsDQpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fXw0KdHJpbGwgbWFpbGluZyBsaXN0DQp0cmlsbEBpZXRmLm9yZw0KaHR0cHM6 Ly93d3cuaWV0Zi5vcmcvbWFpbG1hbi9saXN0aW5mby90cmlsbA0K From mmani@force10networks.com Sat Aug 18 07:01:57 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8FFE221F84AF for ; Sat, 18 Aug 2012 07:01:57 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.599 X-Spam-Level: X-Spam-Status: No, score=-2.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id RNsguOl7KA3G for ; Sat, 18 Aug 2012 07:01:57 -0700 (PDT) Received: from mx.force10networks.com (maa.force10networks.com [59.163.202.254]) by ietfa.amsl.com (Postfix) with ESMTP id 9B22321F8453 for ; Sat, 18 Aug 2012 07:01:56 -0700 (PDT) Received: from EXCH-CLUSTER-11.force10networks.com ([10.16.127.21]) by exch7-maa-fe.force10networks.com ([10.16.126.10]) with mapi; Sat, 18 Aug 2012 19:31:52 +0530 From: Mani Mahadevan To: Shivakumar Sundaram , "'anoop@alumni.duke.edu'" , "'nordmark@acm.org'" Date: Sat, 18 Aug 2012 19:31:28 +0530 Thread-Topic: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 Thread-Index: Ac18yrp/CgPfq0dUSxOF5vnT093AAQAJjyP3ABYtDjA= Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Cc: "'trill@ietf.org'" Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 18 Aug 2012 14:01:57 -0000 Have read the draft and support it for WG last call. Thanks, -Mani -----Original Message----- From: trill-bounces@ietf.org [mailto:trill-bounces@ietf.org] On Behalf Of S= hivakumar Sundaram Sent: Saturday, August 18, 2012 8:54 AM To: 'anoop@alumni.duke.edu'; 'nordmark@acm.org' Cc: 'trill@ietf.org' Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for = TRILL - draft-ietf-trill-cmt-00 I have read the draft and I feel it solves an important problem of handling= active/active multihoming of traffic into the Trill fabric. I support the= adoption of this draft for WG last call. - Thanks, Shiva ----- Original Message ----- From: trill-bounces@ietf.org To: Erik Nordmark Cc: trill@ietf.org Sent: Sat Aug 18 04:20:34 2012 Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for = TRILL - draft-ietf-trill-cmt-00 I would support the document going to WG last call. There are some obvious= typos and some things that need to be clarified (e.g. what is a CE node), = but that can be cleaned up as part of the last call process. Anoop On Wed, Aug 15, 2012 at 3:11 PM, Erik Nordmark wrote: > > We are trying to understand if this document is getting close to WG=20 > last call, but we don't know how many have read the document. > > If you have reviewed the document, please let us know. > If not, this might be a good time to review the document and provide=20 > comments. > > Thanks, > Erik and Donald > _______________________________________________ > trill mailing list > trill@ietf.org > https://www.ietf.org/mailman/listinfo/trill _______________________________________________ trill mailing list trill@ietf.org https://www.ietf.org/mailman/listinfo/trill _______________________________________________ trill mailing list trill@ietf.org https://www.ietf.org/mailman/listinfo/trill From d3e3e3@gmail.com Sun Aug 19 08:14:24 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1BB5021F852E for ; Sun, 19 Aug 2012 08:14:24 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -103.525 X-Spam-Level: X-Spam-Status: No, score=-103.525 tagged_above=-999 required=5 tests=[AWL=0.074, BAYES_00=-2.599, RCVD_IN_DNSWL_LOW=-1, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id yFITzFzwysi9 for ; Sun, 19 Aug 2012 08:14:23 -0700 (PDT) Received: from mail-iy0-f172.google.com (mail-iy0-f172.google.com [209.85.210.172]) by ietfa.amsl.com (Postfix) with ESMTP id 620CF21F8513 for ; Sun, 19 Aug 2012 08:14:23 -0700 (PDT) Received: by iabz21 with SMTP id z21so2254414iab.31 for ; Sun, 19 Aug 2012 08:14:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=mu5H+r006M3Pgma4tDlZl/uVjkbNbu9oeznOSlayrF4=; b=tuYJoS4KKmxv95x83b+SNNogB2ZxpLo0GsDn2QXNc/kvk4uO+BwNVaDj5IaXQeMszV vzq/xs7Jbai/DTaH0JQr0WIjqdu0+x7pIw/5ZhyzBYs6xoN7/D6gKd+BuzvRaT8F+qed QUxi4cPdkVng0s4o/2tHyQQu6iW/zZJQ30EDHte8mZJk3CmDnpbw/ct6AYMd/Aqb4KjH PbhNZt/uURpThhBESgdS4KgtAiIWltjfhgOT/9WT+YVP+lW/N/tv9s9xs9oJUDR44KYr 0Jw/mmZ6PXblIM957nub+Hwlua0lYKBjJjPaQ3nNXZMMKJp960L7AlBsWRw4j/D0ry6D W+Zw== Received: by 10.50.163.70 with SMTP id yg6mr7206487igb.30.1345389262691; Sun, 19 Aug 2012 08:14:22 -0700 (PDT) MIME-Version: 1.0 Received: by 10.64.15.6 with HTTP; Sun, 19 Aug 2012 08:14:02 -0700 (PDT) In-Reply-To: References: <20120618024247.13058.8369.idtracker@ietfa.amsl.com> <8FCD488658FD4040A3A2279ABA0AD48309A660@SJEXCHMB06.corp.ad.broadcom.com> From: Donald Eastlake Date: Sun, 19 Aug 2012 11:14:02 -0400 Message-ID: To: "Tissa Senevirathne (tsenevir)" Content-Type: text/plain; charset=ISO-8859-1 Cc: Naveen Nimmu , "trill@ietf.org" Subject: Re: [trill] FW: New Version Notification for draft-tissa-trill-mt-encode-01.txt X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 19 Aug 2012 15:14:24 -0000 Hi Tissa, On Fri, Jul 13, 2012 at 12:13 AM, Tissa Senevirathne (tsenevir) wrote: > Hi Donald > > Please see my comments in-line > > -----Original Message----- > From: trill-bounces@ietf.org [mailto:trill-bounces@ietf.org] On Behalf Of Donald Eastlake > Sent: Thursday, July 12, 2012 8:26 AM > To: Naveen Nimmu > Cc: trill@ietf.org > Subject: Re: [trill] FW: New Version Notification for draft-tissa-trill-mt-encode-01.txt > > A few comments: > > ... > > I'm not sure why there has to be an MT Capability bit. Wouldn't just not including the MT TLV be a good enough indication if you required even an MT capable RBridge only participating in base topology zero to include the MT TLV? > > [Answer] MT capability bit was added to identify the MT capability in the Hello message itself. However, we can discuss the use of the MT TLV for the purpose. I did not quite understand the inclusion of MT TLV in base topology question. I believe the MT TLV can occur in Hellos as well as in LSP fragment zero. It is optional in Hellos for Layer 3 IS-IS routers that only support topology zero. I don't see why we couldn't require it to be present in TRILL to indicate support of the proposed data plane topology encoding. Thanks, Donald ============================= Donald E. Eastlake 3rd +1-508-333-2270 (cell) 155 Beaver Street, Milford, MA 01757 USA d3e3e3@gmail.com > ... > > Thanks, > Donald > ============================= > Donald E. Eastlake 3rd +1-508-333-2270 (cell) > 155 Beaver Street, Milford, MA 01757 USA d3e3e3@gmail.com > > On Mon, Jun 18, 2012 at 3:12 PM, Naveen Nimmu wrote: >> A new version of this draft is posted. This version adds proposed extensions to support TRILL nickname space from 16bits to 24 bits. >> Please review and provide feedback. >> Thanks >> \naveen >> >> -----Original Message----- >> From: internet-drafts@ietf.org [mailto:internet-drafts@ietf.org] >> Sent: Monday, June 18, 2012 8:13 AM >> To: tsenevir@cisco.com >> Cc: aldrin.ietf@gmail.com; ginsberg@cisco.com; Naveen Nimmu; >> ayabaner@gmail.com >> Subject: New Version Notification for >> draft-tissa-trill-mt-encode-01.txt >> >> >> A new version of I-D, draft-tissa-trill-mt-encode-01.txt >> has been successfully submitted by Tissa Senevirathne and posted to >> the IETF repository. >> >> Filename: draft-tissa-trill-mt-encode >> Revision: 01 >> Title: Multi Topology Encoding within TRILL data frames >> Creation date: 2012-06-17 >> WG ID: Individual Submission >> Number of pages: 12 >> URL: http://www.ietf.org/internet-drafts/draft-tissa-trill-mt-encode-01.txt >> Status: http://datatracker.ietf.org/doc/draft-tissa-trill-mt-encode >> Htmlized: http://tools.ietf.org/html/draft-tissa-trill-mt-encode-01 >> Diff: http://tools.ietf.org/rfcdiff?url2=draft-tissa-trill-mt-encode-01 >> >> Abstract: >> Two alternate methods of encoding Multi Topology Identifier within >> the TRILL data frames are presented. Methods proposed herein do not >> require overloading TRILL RBridge nickname to encode Multi Topology >> Identifier. A method that expands TRILL nickname space from 16bits >> to 24 bits is also presented in this draft. >> >> >> >> >> The IETF Secretariat >> >> _______________________________________________ >> trill mailing list >> trill@ietf.org >> https://www.ietf.org/mailman/listinfo/trill > _______________________________________________ > trill mailing list > trill@ietf.org > https://www.ietf.org/mailman/listinfo/trill From d3e3e3@gmail.com Sun Aug 19 16:14:00 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 497FC21F85C7 for ; Sun, 19 Aug 2012 16:14:00 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -103.526 X-Spam-Level: X-Spam-Status: No, score=-103.526 tagged_above=-999 required=5 tests=[AWL=0.073, BAYES_00=-2.599, RCVD_IN_DNSWL_LOW=-1, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id qccVt1vIjxKy for ; Sun, 19 Aug 2012 16:13:59 -0700 (PDT) Received: from mail-iy0-f172.google.com (mail-iy0-f172.google.com [209.85.210.172]) by ietfa.amsl.com (Postfix) with ESMTP id BFB7721F85BB for ; Sun, 19 Aug 2012 16:13:59 -0700 (PDT) Received: by iabz21 with SMTP id z21so2519896iab.31 for ; Sun, 19 Aug 2012 16:13:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type; bh=UTcbfEf3dtkPdlbezInxBSoA2wxnpaWLdBQ0H5MIst8=; b=a2xFGI7Aj1gO5TzRxTekeFF7k5yZPdI46vCq/6Zp878zLP/HdGN6m+XWql2RNcDg+e BaNXrG5/yZxXAc7h/Sdi9NjWDGgWOjdpxiYT2vD5Yv3ceTmySQ2sCPanjwEucaOT87c0 ZMAS2/q3tN/0rvvwEJbkVyjN3ZuHT2+9BNDvbFniXv4CVAIeZsOevjxqBQ9vVl/hOp5k Y9nsEvwA0sk8mdNkBId+QXkhdIYxsvllKxjgD+sPHcuTE/gl5BPDYFki1ntVg6ZQKir+ BCc7n+1uUJv47xE8xd+KXmXqZTQJQ1OwAQroKghm/9eSnOHIQK2u1nhz0c0DlQMvNbt8 M+Hg== Received: by 10.50.220.169 with SMTP id px9mr8039153igc.8.1345418039332; Sun, 19 Aug 2012 16:13:59 -0700 (PDT) MIME-Version: 1.0 Received: by 10.64.15.6 with HTTP; Sun, 19 Aug 2012 16:13:39 -0700 (PDT) In-Reply-To: <20120818024713.26868.23988.idtracker@ietfa.amsl.com> References: <20120818024713.26868.23988.idtracker@ietfa.amsl.com> From: Donald Eastlake Date: Sun, 19 Aug 2012 19:13:39 -0400 Message-ID: To: trill@ietf.org Content-Type: text/plain; charset=ISO-8859-1 Subject: [trill] Fwd: New Version Notification for draft-eastlake-isis-rfc6326bis-09.txt X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 19 Aug 2012 23:14:00 -0000 A new version of the rfc6326bis draft has been posted. The only significant change from the previous version is to add basic multi-topology support. Thanks, Donald ============================= Donald E. Eastlake 3rd +1-508-333-2270 (cell) 155 Beaver Street, Milford, MA 01757 USA d3e3e3@gmail.com ---------- Forwarded message ---------- From: Date: Fri, Aug 17, 2012 at 10:47 PM Subject: New Version Notification for draft-eastlake-isis-rfc6326bis-09.txt A new version of I-D, draft-eastlake-isis-rfc6326bis-09.txt has been successfully submitted by Donald Eastlake and posted to the IETF repository. Filename: draft-eastlake-isis-rfc6326bis Revision: 09 Title: Transparent Interconnection of Lots of Links (TRILL) Use of IS-IS Creation date: 2012-08-16 WG ID: Individual Submission Number of pages: 49 URL: http://www.ietf.org/internet-drafts/draft-eastlake-isis-rfc6326bis-09.txt Status: http://datatracker.ietf.org/doc/draft-eastlake-isis-rfc6326bis Htmlized: http://tools.ietf.org/html/draft-eastlake-isis-rfc6326bis-09 Diff: http://www.ietf.org/rfcdiff?url2=draft-eastlake-isis-rfc6326bis-09 Abstract: The IETF TRILL (Transparent Interconnection of Lots of Links) protocol provides optimal pair-wise data frame forwarding without configuration in multi-hop networks with arbitrary topology and link technology, and support for multipathing of both unicast and multicast traffic. This document specifies the data formats and code points for the IS-IS extensions to support TRILL. These data formats and code points may also be used by technologies other than TRILL. This document obsoletes RFC 6326. From zhai.hongjun@zte.com.cn Mon Aug 20 04:59:53 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B299821F8616 for ; Mon, 20 Aug 2012 04:59:53 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -96.239 X-Spam-Level: X-Spam-Status: No, score=-96.239 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001, MIME_BASE64_TEXT=1.753, MIME_CHARSET_FARAWAY=2.45, RCVD_DOUBLE_IP_LOOSE=0.76, USER_IN_WHITELIST=-100, WEIRD_QUOTING=1.396] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id gvmEm932gMgQ for ; Mon, 20 Aug 2012 04:59:53 -0700 (PDT) Received: from mx5.zte.com.cn (mx5.zte.com.cn [63.217.80.70]) by ietfa.amsl.com (Postfix) with ESMTP id 79C1821F85C3 for ; Mon, 20 Aug 2012 04:59:52 -0700 (PDT) Received: from [10.30.17.99] by mx5.zte.com.cn with surfront esmtp id 23255316744263; Mon, 20 Aug 2012 19:53:57 +0800 (CST) Received: from [10.30.3.21] by [192.168.168.15] with StormMail ESMTP id 52685.1257665158; Mon, 20 Aug 2012 19:59:50 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse02.zte.com.cn with ESMTP id q7KBxUkY076219; Mon, 20 Aug 2012 19:59:30 +0800 (GMT-8) (envelope-from zhai.hongjun@zte.com.cn) In-Reply-To: <502C1EA0.7050305@acm.org> To: Erik Nordmark MIME-Version: 1.0 X-KeepSent: C5E48063:7AEAB852-48257A60:00122D17; type=4; name=$KeepSent X-Mailer: Lotus Notes Release 6.5.6 March 06, 2007 Message-ID: From: zhai.hongjun@zte.com.cn Date: Mon, 20 Aug 2012 19:59:32 +0800 X-MIMETrack: Serialize by Router on notes_smtp/zte_ltd(Release 8.5.3FP1 HF212|May 23, 2012) at 2012-08-20 19:59:32, Serialize complete at 2012-08-20 19:59:32 Content-Type: multipart/alternative; boundary="=_alternative 00421AC848257A60_=" X-MAIL: mse02.zte.com.cn q7KBxUkY076219 Cc: "trill@ietf.org" Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." 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Mon, 20 Aug 2012 15:32:19 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -3.355 X-Spam-Level: X-Spam-Status: No, score=-3.355 tagged_above=-999 required=5 tests=[AWL=0.244, BAYES_00=-2.599, RCVD_IN_DNSWL_LOW=-1] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id mSf8qXe0oEIw for ; Mon, 20 Aug 2012 15:32:18 -0700 (PDT) Received: from mail-pb0-f44.google.com (mail-pb0-f44.google.com [209.85.160.44]) by ietfa.amsl.com (Postfix) with ESMTP id C8CC611E8097 for ; Mon, 20 Aug 2012 15:32:18 -0700 (PDT) Received: by pbbrr4 with SMTP id rr4so7923708pbb.31 for ; Mon, 20 Aug 2012 15:32:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to:x-mailer; bh=Mzj2fSiqY21eo16rQJQABt1IkbDKBoQVuLWqBekRDOE=; b=TE0OrW+GBm7UVwjQHYD8jY1ME2K6DxyfQa2LyxpRXAx2407hYngAl1pkwiX36ATYWK HUBQGpP/Lth972nVQKOy5DM3hlUEUUismPdF69CuZlp78ozLjE54o4BzR+CjwgL/DLIC AeFs0Lzj7uV+91+af9fetLvuHppWblvFLR0IiGlTEU7Iyvb8CYJXZixbSjbO7c3ZYSap /vscYBRl8Ov1f9RyaCbY9maDotZCrPBuooAUMur4bvF8WptT6/9qtqh4rr7BFwf8ZgXt zX7N5fuHel0p/hAsl8pAy0TPw1MxhRiIPd6std6L7fNRLnU4RAZgzWI32C3Ci9M2L12u d96g== Received: by 10.68.217.69 with SMTP id ow5mr38038684pbc.35.1345501938430; 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[107.3.156.34]) by mx.google.com with ESMTPS id to6sm11925837pbc.12.2012.08.20.15.32.16 (version=TLSv1/SSLv3 cipher=OTHER); Mon, 20 Aug 2012 15:32:17 -0700 (PDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 6.0 \(1485\)) From: Sam Aldrin In-Reply-To: <502C1EA0.7050305@acm.org> Date: Mon, 20 Aug 2012 15:32:17 -0700 Content-Transfer-Encoding: quoted-printable Message-Id: <44392359-7AC1-42DF-B0DD-08CFBBABCE04@gmail.com> References: <502C1EA0.7050305@acm.org> To: Erik Nordmark X-Mailer: Apple Mail (2.1485) Cc: "trill@ietf.org" Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 20 Aug 2012 22:32:19 -0000 I reviewed this document and it fulfills the purpose it is written for. Fully support the last call for this document. -sam On Aug 15, 2012, at 3:11 PM, Erik Nordmark wrote: >=20 > We are trying to understand if this document is getting close to WG = last call, but we don't know how many have read the document. >=20 > If you have reviewed the document, please let us know. > If not, this might be a good time to review the document and provide = comments. >=20 > Thanks, > Erik and Donald > _______________________________________________ > trill mailing list > trill@ietf.org > https://www.ietf.org/mailman/listinfo/trill From zhangmingui@huawei.com Mon Aug 20 19:45:57 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 06AF311E80A5 for ; Mon, 20 Aug 2012 19:45:57 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.516 X-Spam-Level: X-Spam-Status: No, score=-6.516 tagged_above=-999 required=5 tests=[AWL=0.083, BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Yy6xSJWfIPLA for ; Mon, 20 Aug 2012 19:45:56 -0700 (PDT) Received: from dfwrgout.huawei.com (dfwrgout.huawei.com [206.16.17.72]) by ietfa.amsl.com (Postfix) with ESMTP id 524DE11E80A2 for ; Mon, 20 Aug 2012 19:45:56 -0700 (PDT) Received: from 172.18.9.243 (EHLO dfweml202-edg.china.huawei.com) ([172.18.9.243]) by dfwrg02-dlp.huawei.com (MOS 4.3.5-GA FastPath) with ESMTP id AJF31194; Mon, 20 Aug 2012 18:45:52 -0800 (PST) Received: from DFWEML403-HUB.china.huawei.com (10.193.5.151) by dfweml202-edg.china.huawei.com (172.18.9.108) with Microsoft SMTP Server (TLS) id 14.1.323.3; Mon, 20 Aug 2012 18:05:29 -0700 Received: from SZXEML421-HUB.china.huawei.com (10.82.67.160) by dfweml403-hub.china.huawei.com (10.193.5.151) with Microsoft SMTP Server (TLS) id 14.1.323.3; Mon, 20 Aug 2012 18:05:28 -0700 Received: from SZXEML507-MBS.china.huawei.com ([169.254.7.120]) by szxeml421-hub.china.huawei.com ([10.82.67.160]) with mapi id 14.01.0323.003; Tue, 21 Aug 2012 09:05:23 +0800 From: Mingui Zhang To: Erik Nordmark , "trill@ietf.org" Thread-Topic: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 Thread-Index: AQHNezL9InyrqN81T06s3GzLSYoEBJdjeFBg Date: Tue, 21 Aug 2012 01:05:22 +0000 Message-ID: <4552F0907735844E9204A62BBDD325E731FEEC19@SZXEML507-MBS.china.huawei.com> References: <502C1EA0.7050305@acm.org> In-Reply-To: <502C1EA0.7050305@acm.org> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.111.103.7] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-CFilter-Loop: Reflected Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 21 Aug 2012 02:45:57 -0000 I support the last call of this draft. In order to be used as a complete solution, other issues (failure recovery,= mac sync, ...) with active-active multi-homing should also be addressed.=20 Thanks, Mingui > -----Original Message----- > From: trill-bounces@ietf.org [mailto:trill-bounces@ietf.org] On Behalf Of= Erik > Nordmark > Sent: Thursday, August 16, 2012 6:12 AM > To: trill@ietf.org > Subject: [trill] Any comments on Coordinated Multicast Trees (CMT) for TR= ILL - > draft-ietf-trill-cmt-00 >=20 >=20 > We are trying to understand if this document is getting close to WG last > call, but we don't know how many have read the document. >=20 > If you have reviewed the document, please let us know. > If not, this might be a good time to review the document and provide > comments. >=20 > Thanks, > Erik and Donald > _______________________________________________ > trill mailing list > trill@ietf.org > https://www.ietf.org/mailman/listinfo/trill From ramkumar@cisco.com Wed Aug 22 08:34:49 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D6DEA21F85AA for ; Wed, 22 Aug 2012 08:34:49 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -9.998 X-Spam-Level: X-Spam-Status: No, score=-9.998 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001, J_CHICKENPOX_64=0.6, RCVD_IN_DNSWL_HI=-8] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 4J9jENY2wONU for ; Wed, 22 Aug 2012 08:34:49 -0700 (PDT) Received: from rcdn-iport-9.cisco.com (rcdn-iport-9.cisco.com [173.37.86.80]) by ietfa.amsl.com (Postfix) with ESMTP id A730B21F8598 for ; Wed, 22 Aug 2012 08:34:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=11007; q=dns/txt; s=iport; t=1345649688; x=1346859288; h=from:to:subject:date:message-id:mime-version; bh=x7urPArs2guwEEXdncPE+BtVi/IUFiwqxYSOO9TfIFg=; b=W2U1K08lSn0L+FzZujqjEJdo+cBr6jGQxocTlpLFfcHFv0tO0pJycL3W F/kBBXfDgUKrF0Melx0ddFEkhRuSHrzi2cqZES8Me6Km1itDhCYNf0WQW K2gnm3SgqeGfz/1o8tqFL667S5RD6pTjwFj+1TfcKPPqPsqnbcSN7GwUM s=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Av4EAOv6NFCtJXG9/2dsb2JhbABFgkq3f4EHgicOBAEUPgIkAYEAJwQ1h2uXSYEooFOSJAOVUo4tgWaCYw X-IronPort-AV: E=Sophos;i="4.77,808,1336348800"; d="scan'208,217";a="111189741" Received: from rcdn-core2-2.cisco.com ([173.37.113.189]) by rcdn-iport-9.cisco.com with ESMTP; 22 Aug 2012 15:34:48 +0000 Received: from xhc-rcd-x12.cisco.com (xhc-rcd-x12.cisco.com [173.37.183.86]) by rcdn-core2-2.cisco.com (8.14.5/8.14.5) with ESMTP id q7MFYmSD020012 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL) for ; Wed, 22 Aug 2012 15:34:48 GMT Received: from xmb-rcd-x15.cisco.com ([169.254.5.218]) by xhc-rcd-x12.cisco.com ([173.37.183.86]) with mapi id 14.02.0298.004; Wed, 22 Aug 2012 10:34:47 -0500 From: "Ramkumar Parameswaran (ramkumar)" To: "trill@ietf.org" Thread-Topic: Suggestion on RFC 6325 section 4.5.2, single parent ECMP link selection. Thread-Index: AQHNgHupUthoY2E1xEuAqXewoT2QYQ== Date: Wed, 22 Aug 2012 15:34:47 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/14.2.3.120616 x-originating-ip: [10.86.249.247] x-tm-as-product-ver: SMEX-10.2.0.1135-7.000.1014-19130.004 x-tm-as-result: No--33.100600-8.000000-31 x-tm-as-user-approved-sender: No x-tm-as-user-blocked-sender: No Content-Type: multipart/alternative; boundary="_000_CC5A4A253C56ramkumarciscocom_" MIME-Version: 1.0 Subject: [trill] Suggestion on RFC 6325 section 4.5.2, single parent ECMP link selection. X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 22 Aug 2012 15:34:49 -0000 --_000_CC5A4A253C56ramkumarciscocom_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi, With regard to the Parallel Link check in section 4.5.2 of RFC 6325, item 3= talks about how to select links in multi-destination trees when a node in = a multi-destination tree has a single parent connected to it by multiple li= nks. The section in the RFC identifies how to select a link in the bundle,o= ver which all multi-destination traffic may traverse, when the links are of= type P2P or LAN links with pseudonode suppressed. Specifically, a single l= ink is selected and traffic for all multi-destination trees is carried over= the selected link. When a node is connected to a single parent across several LAN links which = advertise a pseudonode (when pseudonode is not suppressed), RFC 6325 sectio= n 4.5.1 already specifies a way to load balance multi-destination traffic a= cross these links by pulling a unique link into each multi-destination tree= . This is illustrated in the following example | Node B | -> upstream, closer to tree root. ----------------- / | | \ | | | | |01 02 |03|04 | | | | \ | | / ----------------- | Node A | Consider Node A and node B being connected to each other on 4 independent L= AN links. Each of the four links above is a LAN link with a DRB elected and= pseudo-node advertised. The number to the right of the link identifies the= pseudo-node id operational on the link. In this situation, per 4.5.1, sinc= e seven byte system id is considered in load-balancing links across trees, = other factors holding, link 01 will be assigned to Tree 1, link 02 will be assigned to tree 2 and so on. However, if the links were P2P links with 01, 02, 03, and 04 being the exte= nded circuit id of the node with higher system id (B, say), then per 4.5.2,= link 04 would be pulled into all multi-destination trees, with no load-bal= ancing on any of the other links. For P2P links and pseudonode suppressed LAN links, we were wondering whethe= r the following variant can be accommodated, so that multi-destination traf= fic can be spread over more links, with better link utilization: Modified Approach: Once a dominant link-type is identified using the tie-br= eak rule specified in item 3 (P2P or LAN link with suppressed pseudo node),= if there is more than one link of the dominant type, then such links are a= rranged in ascending order of parent's Extended Circuit ID or Pseudonode ID= , given serial numbers starting with 0, and assigned to trees with a logic= similar to the multi-parent ECMP case: Link on Tree T =3D (T-1) mod N where N is the number of parallel links The parallel link check in section 4.5.2 must be modified to allow only the adjacency that is selected for the tree that the packet arrived on. No change in metric advertisement is needed with regard to the rest of the = network, and in line with what is mentioned in 6325, the notion of mapping = continues to remain local to the two adjacent nodes RB1-RB2. Please let us know if the approach suggested above is feasible or if we may= have missed something. Thanks, Ramkumar --_000_CC5A4A253C56ramkumarciscocom_ Content-Type: text/html; charset="us-ascii" Content-ID: <1253EE7452DB28419F01688B8104D38B@cisco.com> Content-Transfer-Encoding: quoted-printable

Hi,


With re= gard to the Parallel Link check in section 4.5.2 of RFC 6325, item 3 talks = about how to select links in multi-destination trees when a node in a multi= -destination tree has a single parent connected to it by multiple links. The section in the RFC identifies how t= o select a link in the bundle,over which all multi-destination traffic may = traverse, when the links are of type P2P or LAN links with pseudonode = suppressed. Specifically, a single link is selected and traffic for all multi-destination trees is carried ov= er the selected link.



When a = node is connected to a single parent across several LAN links which adverti= se a pseudonode (when pseudonode is not suppressed), RFC 6325 section 4.5.1= already specifies a way to load balance multi-destination traffic across these links by pulling a unique link into= each multi-destination tree.


This is= illustrated in the following example


 &= nbsp;       |   Node B  &= nbsp;   | -> upstream, closer to tree root. 

 &= nbsp;       -----------------

 &= nbsp;           / &n= bsp;|   | \

 &= nbsp;          | &nb= sp; |   |  |

 &= nbsp;          |01 02&nbs= p; |03|04

 &= nbsp;          | &nb= sp; |   |  |

 &= nbsp;           \ &n= bsp;|   |  /

 &= nbsp;       -----------------

 &= nbsp;       |   Node A  &= nbsp;   |


Conside= r Node A and node B being connected to each other on 4 independent LAN link= s. Each of the four links above is a LAN link with a DRB elected and pseudo= -node advertised. The number to the right of the link identifies the pseudo-node id operational on the link. I= n this situation, per 4.5.1, since seven byte system id is considered in lo= ad-balancing links across trees, other factors holding, link 01 will be ass= igned to Tree 1, link 02

will be= assigned to tree 2 and so on.


However= , if the links were P2P links with 01, 02, 03, and 04 being the extended ci= rcuit id of the node with higher system id (B, say), then per 4.5.2, link 0= 4 would be pulled into all multi-destination trees, with no load-balancing on any of the other links.


For P2P= links and pseudonode suppressed LAN links, we were wondering whether the f= ollowing variant can be accommodated, so that multi-destination traffic can= be  spread over more links, with better link utilization:


Modifie= d Approach: Once a dominant link-type is identified using the tie-break rul= e specified in item 3 (P2P or LAN link with suppressed pseudo node), if the= re is more than one link of the dominant type, then such links are arranged in ascending order of parent's Extended= Circuit ID or Pseudonode ID,  given serial numbers starting= with 0, and assigned to trees with a logic similar to the multi-paren= t ECMP case:


Link on= Tree T =3D (T-1) mod N where N is the number of parallel links


The par= allel link check in section 4.5.2 must be modified to allow only the

adjacen= cy that is selected for the tree that the packet arrived on.


No chan= ge in metric advertisement is needed with regard to the rest of the network= , and in line with what is mentioned in 6325, the notion of mapping continu= es to remain local to the two adjacent nodes RB1-RB2.


Please = let us know if the approach suggested above is feasible or if we may have m= issed something. 


Thanks,

Ramkumar
--_000_CC5A4A253C56ramkumarciscocom_-- From d3e3e3@gmail.com Wed Aug 22 11:12:48 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8536E21F8545 for ; Wed, 22 Aug 2012 11:12:48 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -103.528 X-Spam-Level: X-Spam-Status: No, score=-103.528 tagged_above=-999 required=5 tests=[AWL=0.071, BAYES_00=-2.599, RCVD_IN_DNSWL_LOW=-1, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 7B1uisG13a5V for ; Wed, 22 Aug 2012 11:12:47 -0700 (PDT) Received: from mail-iy0-f172.google.com (mail-iy0-f172.google.com [209.85.210.172]) by ietfa.amsl.com (Postfix) with ESMTP id AA46521F844B for ; Wed, 22 Aug 2012 11:12:47 -0700 (PDT) Received: by iabz21 with SMTP id z21so1221362iab.31 for ; Wed, 22 Aug 2012 11:12:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=gFtouaNYH6JdjzoPqcU95qiGyseXoBERrRyXQha2wn8=; b=RRgGbxqcoerZ4TrAbyUqqTWAkFFJ6u3sIjsCiGibW0Za62IW6ob1r9TL8xeOpSPGqU OB2ditDz3xMesfkB4Fx7Ud43v1fvjIiT7kG/c5Du6G4ki8gKuJrY3WBs3UYcEgkFyoPf b/yoGCssv45x5FvKbbyBipxMxq9BSOeujSdY7s0mpuLGhjUCoNDxW9vHyTRofEtmcg7P VGYVy02/MNxDyal+RKz3eN9m46jBLKk8BapO0h8qvD6h18Uol7bELHNBkduOZU5RikG7 HyS0iIfn2NQrZL8wPiojKTKxzijd46XLVctsM4ZX8bPxw/GPjA2C4jZ6Vk2kMIy00PBi sq9Q== Received: by 10.43.45.200 with SMTP id ul8mr17775700icb.36.1345659167245; Wed, 22 Aug 2012 11:12:47 -0700 (PDT) MIME-Version: 1.0 Received: by 10.64.15.6 with HTTP; Wed, 22 Aug 2012 11:12:26 -0700 (PDT) In-Reply-To: References: From: Donald Eastlake Date: Wed, 22 Aug 2012 14:12:26 -0400 Message-ID: To: "Ramkumar Parameswaran (ramkumar)" Content-Type: text/plain; charset=ISO-8859-1 Cc: "trill@ietf.org" Subject: Re: [trill] Suggestion on RFC 6325 section 4.5.2, single parent ECMP link selection. X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 22 Aug 2012 18:12:48 -0000 Hi Ramkumar, On Wed, Aug 22, 2012 at 11:34 AM, Ramkumar Parameswaran (ramkumar) wrote: > Hi, > > With regard to the Parallel Link check in section 4.5.2 of RFC 6325, > item 3 talks about how to select links in multi-destination trees > when a node in a multi-destination tree has a single parent > connected to it by multiple links. The section in the RFC identifies > how to select a link in the bundle, over which all multi-destination > traffic may traverse, when the links are of type P2P or LAN links > with pseudonode suppressed. Specifically, a single link is selected > and traffic for all multi-destination trees is carried over the > selected link. Generally speaking, if the links are equal speed P2P Ethernet links, I would recommend just aggregating them with 802.1AX, which resolves these issues. > When a node is connected to a single parent across several LAN links > which advertise a pseudonode (when pseudonode is not suppressed), > RFC 6325 section 4.5.1 already specifies a way to load balance > multi-destination traffic across these links by pulling a unique > link into each multi-destination tree. > > This is illustrated in the following example > > | Node B | -> upstream, closer to tree root > ----------------- > / | | \ > | | | | > |01 02 |03 |04 > | | | | > \ | | / > ----------------- > | Node A | > > Consider Node A and node B being connected to each other on 4 > independent LAN links. Each of the four links above is a LAN link > with a DRB elected and pseudo-node advertised. The number to the > right of the link identifies the pseudo-node id operational on the > link. In this situation, per 4.5.1, since seven byte system id is > considered in load-balancing links across trees, other factors > holding, link 01 will be assigned to Tree 1, link 02 will be > assigned to tree 2 and so on. > > However, if the links were P2P links with 01, 02, 03, and 04 being > the extended circuit id of the node with higher system id (B, say), > then per 4.5.2, link 04 would be pulled into all multi-destination > trees, with no load-balancing on any of the other links. This provision in RFC 6325 didn't come out of nowhere. It was requested due, if I recall correctly, to limitation of some hardware in implementing the Reverse Path Forwarding Check for multi-destinaiton frames. > For P2P links and pseudonode suppressed LAN links, we were wondering > whether the following variant can be accommodated, so that > multi-destination traffic can be spread over more links, with better > link utilization: When there are multiple parallel unlabeled links visible to TRILL between two RBridges, this is reported to the campus as a single adjacency. If the two RBridges can come to agreement, it is really a private matter between them how those RBridges handle it. The provisions in RFC 6325 are just a minimum to assure that the default behavior will interoperate, taking into account the hardware limitations that, at the time, indicated only one of such links could be used for multi-destinaiton frames. There are lots of possible optimizations that are left out so that implementations have room to distinguish themselves. For example, the sending RBridge gets to chose which of the unlabeled parallel links to send unicast frames on. In doing so, it might want to avoid the link chosen for multi-destination. > Modified Approach: Once a dominant link-type is identified using the > tie-break rule specified in item 3 (P2P or LAN link with suppressed > pseudo node), if there is more than one link of the dominant type, > then such links are arranged in ascending order of parent's Extended > Circuit ID or Pseudonode ID, given serial numbers starting with 0, > and assigned to trees with a logic similar to the multi-parent ECMP > case: > > Link on Tree T = (T-1) mod N where N is the number of parallel links > > The parallel link check in section 4.5.2 must be modified to allow > only the adjacency that is selected for the tree that the packet > arrived on. I don't see any particular problem with such a change if we could get assurance that the previous reported hardware limitation was no longer a factor. However, it is pretty hard to prove a negative. And if you could, so different multi-destination frames could be sent over different links of such a bundle of unlabeled links, then why have any limiations at all? Just permit the sending RBridge to send over whichever link its private hash algorithm and weighting indicate... In fact, the capability of receiving multi-destination frames over any link in such a unlabeled bundle could be advertised by a capability bit, which would make such a relaxation of the Parallel Links Check backwards compatible. If the capability was not signalled, you would still have to do what is in RFC 6325. This seems like a reasonable way to go to me. Thanks, Donald ============================= Donald E. Eastlake 3rd +1-508-333-2270 (cell) 155 Beaver Street, Milford, MA 01757 USA d3e3e3@gmail.com > No change in metric advertisement is needed with regard to the rest of the > network, and in line with what is mentioned in 6325, the notion of mapping > continues to remain local to the two adjacent nodes RB1-RB2. > > Please let us know if the approach suggested above is feasible or if we may > have missed something. > > Thanks, > Ramkumar From ghanwani@gmail.com Wed Aug 22 11:34:23 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D019921F8494 for ; Wed, 22 Aug 2012 11:34:23 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.939 X-Spam-Level: X-Spam-Status: No, score=-2.939 tagged_above=-999 required=5 tests=[AWL=0.038, BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, RCVD_IN_DNSWL_LOW=-1] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id a2OaW8dQb0o4 for ; Wed, 22 Aug 2012 11:34:23 -0700 (PDT) Received: from mail-vb0-f44.google.com (mail-vb0-f44.google.com [209.85.212.44]) by ietfa.amsl.com (Postfix) with ESMTP id B6C8F21F849D for ; Wed, 22 Aug 2012 11:34:22 -0700 (PDT) Received: by vbbez10 with SMTP id ez10so1497935vbb.31 for ; Wed, 22 Aug 2012 11:34:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; bh=BIGz7Z2mp/Sk/l6k5oDrDVbVxxRl+hAB6JllX98KXvM=; b=QFZIshg08wf6IYPL9VnOyKDRHI3x2ObkwzWfgYzoTlQVsSYErfj0Nx4P95LMWqw60F pX44ZnrZ2+nNSuKowVi7pkPjxM8uothgSouFTu2MvrNbx7nM+fqWv9xfz0IEtrAVkbCd eBbtPZQV01pjh4EOoimXWq3yTbbxx2pMVrbi84bnczbUzkDNUhTmp3E2sBuB9o9t92Mo LT7qIm+V2MUV30YpRzKHFF5ohgv+6yDnBPxBH4h83DVRSv3H9+lUlYXQLi4AMKJ4/DX9 +mGFFnRDSFUvMJCFxhwVsfevUca0+HCviAhdZNd80I4h7cVQiMh1ueZu00v4u7EWtEVd T9Lw== MIME-Version: 1.0 Received: by 10.58.211.71 with SMTP id na7mr19079065vec.39.1345660462128; Wed, 22 Aug 2012 11:34:22 -0700 (PDT) Sender: ghanwani@gmail.com Received: by 10.221.0.84 with HTTP; Wed, 22 Aug 2012 11:34:21 -0700 (PDT) In-Reply-To: References: Date: Wed, 22 Aug 2012 11:34:21 -0700 X-Google-Sender-Auth: ECGbmFDNihs6gMtdhkmthvyB8rY Message-ID: From: Anoop Ghanwani To: Donald Eastlake Content-Type: text/plain; charset=ISO-8859-1 Cc: "Ramkumar Parameswaran \(ramkumar\)" , "trill@ietf.org" Subject: Re: [trill] Suggestion on RFC 6325 section 4.5.2, single parent ECMP link selection. X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 22 Aug 2012 18:34:24 -0000 On Wed, Aug 22, 2012 at 11:12 AM, Donald Eastlake wrote: > Hi Ramkumar, > > On Wed, Aug 22, 2012 at 11:34 AM, Ramkumar Parameswaran (ramkumar) > wrote: > >> When a node is connected to a single parent across several LAN links >> which advertise a pseudonode (when pseudonode is not suppressed), >> RFC 6325 section 4.5.1 already specifies a way to load balance >> multi-destination traffic across these links by pulling a unique >> link into each multi-destination tree. >> >> This is illustrated in the following example >> >> | Node B | -> upstream, closer to tree root >> ----------------- >> / | | \ >> | | | | >> |01 02 |03 |04 >> | | | | >> \ | | / >> ----------------- >> | Node A | >> > >> Consider Node A and node B being connected to each other on 4 >> independent LAN links. Each of the four links above is a LAN link >> with a DRB elected and pseudo-node advertised. The number to the >> right of the link identifies the pseudo-node id operational on the >> link. In this situation, per 4.5.1, since seven byte system id is >> considered in load-balancing links across trees, other factors >> holding, link 01 will be assigned to Tree 1, link 02 will be >> assigned to tree 2 and so on. >> >> However, if the links were P2P links with 01, 02, 03, and 04 being >> the extended circuit id of the node with higher system id (B, say), >> then per 4.5.2, link 04 would be pulled into all multi-destination >> trees, with no load-balancing on any of the other links. > > This provision in RFC 6325 didn't come out of nowhere. It was > requested due, if I recall correctly, to limitation of some hardware > in implementing the Reverse Path Forwarding Check for > multi-destinaiton frames. I do remember discussions around this issue, but can't remember exactly what it was...I think it might have had to do with trying to use these links for ECMP within the same tree. Anoop From liyizhou@huawei.com Thu Aug 23 02:08:14 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 644CE21F8593 for ; Thu, 23 Aug 2012 02:08:14 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.599 X-Spam-Level: X-Spam-Status: No, score=-6.599 tagged_above=-999 required=5 tests=[AWL=0.000, BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bHxFZNNg9e+3 for ; Thu, 23 Aug 2012 02:08:14 -0700 (PDT) Received: from dfwrgout.huawei.com (dfwrgout.huawei.com [206.16.17.72]) by ietfa.amsl.com (Postfix) with ESMTP id D010821F858E for ; Thu, 23 Aug 2012 02:08:13 -0700 (PDT) Received: from 172.18.9.243 (EHLO dfwdlp01-ep.huawei.com) ([172.18.9.243]) by dfwrg02-dlp.huawei.com (MOS 4.3.5-GA FastPath) with ESMTP id AJO16606; Thu, 23 Aug 2012 01:08:11 -0800 (PST) Received: from DFWEML404-HUB.china.huawei.com (10.193.5.203) by dfweml202-edg.china.huawei.com (172.18.9.108) with Microsoft SMTP Server (TLS) id 14.1.323.3; Thu, 23 Aug 2012 02:03:18 -0700 Received: from SZXEML419-HUB.china.huawei.com (10.82.67.158) by dfweml404-hub.china.huawei.com (10.193.5.203) with Microsoft SMTP Server (TLS) id 14.1.323.3; Thu, 23 Aug 2012 02:03:16 -0700 Received: from l63746 (10.138.122.40) by smtpscn.huawei.com (10.82.67.158) with Microsoft SMTP Server (TLS) id 14.1.323.3; Thu, 23 Aug 2012 17:03:13 +0800 From: Yizhou Li To: 'Erik Nordmark' , References: <502C1EA0.7050305@acm.org> In-Reply-To: <502C1EA0.7050305@acm.org> Date: Thu, 23 Aug 2012 17:03:12 +0800 Message-ID: <000901cd810e$2030d990$60928cb0$@com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: Ac17MvyXyuJ0EcdVROK4xH/291YwtAF2wKNg Content-Language: zh-cn X-Originating-IP: [10.138.122.40] X-CFilter-Loop: Reflected Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 23 Aug 2012 09:08:14 -0000 I have read the document and would support it going to WG last call. Yizhou -----Original Message----- From: trill-bounces@ietf.org [mailto:trill-bounces@ietf.org] On Behalf Of Erik Nordmark Sent: Thursday, August 16, 2012 6:12 AM To: trill@ietf.org Subject: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 We are trying to understand if this document is getting close to WG last call, but we don't know how many have read the document. If you have reviewed the document, please let us know. If not, this might be a good time to review the document and provide comments. Thanks, Erik and Donald _______________________________________________ trill mailing list trill@ietf.org https://www.ietf.org/mailman/listinfo/trill From ramkumar@cisco.com Thu Aug 23 19:43:19 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0BEAE21F849B for ; Thu, 23 Aug 2012 19:43:19 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -10.599 X-Spam-Level: X-Spam-Status: No, score=-10.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, RCVD_IN_DNSWL_HI=-8] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 6tSZI5TNca3C for ; Thu, 23 Aug 2012 19:43:18 -0700 (PDT) Received: from rcdn-iport-2.cisco.com (rcdn-iport-2.cisco.com [173.37.86.73]) by ietfa.amsl.com (Postfix) with ESMTP id D20FE21F8497 for ; Thu, 23 Aug 2012 19:43:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=ramkumar@cisco.com; l=7970; q=dns/txt; s=iport; t=1345776198; x=1346985798; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-transfer-encoding:mime-version; bh=uJQLAT3hOW/wQFE/MrPjZ9e4Nhj3ljRoD3nkGjXUeOo=; b=TTjqwVh8ZLbJBdMzGsZvOzV+hk66E/KQkLw3lreWqP1kK76DF3sj3dV1 a5zkdl/l2MFiXy8H/koxzv6UBnpRG59SQy114zB5X9QDcEX/u2uQ091NO DXyJcMkYWBEbRO+iOe2/zyQuCvsXGN8o8t+/fP/8jquovKYGnyEBUnppl w=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AgAFALroNlCtJXG8/2dsb2JhbABCA7pTgQeCIAEBAQMBAQEBCwQBFBMrAgcLBQsCAQgOAwQBAQsLCRAhBgsdCAIEDgUIGodcAwYFAQuZSJZGDYlKBIolY4NpB4JBYAOUAYxggyCBZ4Jj X-IronPort-AV: E=Sophos;i="4.80,301,1344211200"; d="scan'208";a="114796497" Received: from rcdn-core2-1.cisco.com ([173.37.113.188]) by rcdn-iport-2.cisco.com with ESMTP; 24 Aug 2012 02:43:09 +0000 Received: from xhc-aln-x04.cisco.com (xhc-aln-x04.cisco.com [173.36.12.78]) by rcdn-core2-1.cisco.com (8.14.5/8.14.5) with ESMTP id q7O2h785015418 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Fri, 24 Aug 2012 02:43:07 GMT Received: from xmb-rcd-x15.cisco.com ([169.254.5.218]) by xhc-aln-x04.cisco.com ([173.36.12.78]) with mapi id 14.02.0298.004; Thu, 23 Aug 2012 21:43:07 -0500 From: "Ramkumar Parameswaran (ramkumar)" To: Donald Eastlake Thread-Topic: [trill] Suggestion on RFC 6325 section 4.5.2, single parent ECMP link selection. Thread-Index: AQHNgHupUthoY2E1xEuAqXewoT2QYZdmdjgAgAHDm1w= Date: Fri, 24 Aug 2012 02:43:06 +0000 Message-ID: <29177B06F86DD543B9AFA2ECD0312CDB0F4BBC0F@xmb-rcd-x15.cisco.com> References: , In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [171.71.55.9] x-tm-as-product-ver: SMEX-10.2.0.1135-7.000.1014-19134.001 x-tm-as-result: No--54.596800-8.000000-31 x-tm-as-user-approved-sender: No x-tm-as-user-blocked-sender: No Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Cc: "trill@ietf.org" Subject: Re: [trill] Suggestion on RFC 6325 section 4.5.2, single parent ECMP link selection. X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Aug 2012 02:43:19 -0000 =0A= =0A= Hi Donald,=0A= =0A= Thanks for the consideration. One comment inline, tagged [**]:=0A= ________________________________________=0A= From: trill-bounces@ietf.org [trill-bounces@ietf.org] on behalf of Donald E= astlake [d3e3e3@gmail.com]=0A= Sent: Wednesday, August 22, 2012 11:12 AM=0A= To: Ramkumar Parameswaran (ramkumar)=0A= Cc: trill@ietf.org=0A= Subject: Re: [trill] Suggestion on RFC 6325 section 4.5.2, single parent EC= MP link selection.=0A= =0A= Hi Ramkumar,=0A= =0A= On Wed, Aug 22, 2012 at 11:34 AM, Ramkumar Parameswaran (ramkumar)=0A= wrote:=0A= =0A= > Hi,=0A= >=0A= > With regard to the Parallel Link check in section 4.5.2 of RFC 6325,=0A= > item 3 talks about how to select links in multi-destination trees=0A= > when a node in a multi-destination tree has a single parent=0A= > connected to it by multiple links. The section in the RFC identifies=0A= > how to select a link in the bundle, over which all multi-destination=0A= > traffic may traverse, when the links are of type P2P or LAN links=0A= > with pseudonode suppressed. Specifically, a single link is selected=0A= > and traffic for all multi-destination trees is carried over the=0A= > selected link.=0A= =0A= Generally speaking, if the links are equal speed P2P Ethernet links, I=0A= would recommend just aggregating them with 802.1AX, which resolves=0A= these issues.=0A= =0A= > When a node is connected to a single parent across several LAN links=0A= > which advertise a pseudonode (when pseudonode is not suppressed),=0A= > RFC 6325 section 4.5.1 already specifies a way to load balance=0A= > multi-destination traffic across these links by pulling a unique=0A= > link into each multi-destination tree.=0A= >=0A= > This is illustrated in the following example=0A= >=0A= > | Node B | -> upstream, closer to tree root=0A= > -----------------=0A= > / | | \=0A= > | | | |=0A= > |01 02 |03 |04=0A= > | | | |=0A= > \ | | /=0A= > -----------------=0A= > | Node A |=0A= >=0A= =0A= > Consider Node A and node B being connected to each other on 4=0A= > independent LAN links. Each of the four links above is a LAN link=0A= > with a DRB elected and pseudo-node advertised. The number to the=0A= > right of the link identifies the pseudo-node id operational on the=0A= > link. In this situation, per 4.5.1, since seven byte system id is=0A= > considered in load-balancing links across trees, other factors=0A= > holding, link 01 will be assigned to Tree 1, link 02 will be=0A= > assigned to tree 2 and so on.=0A= >=0A= > However, if the links were P2P links with 01, 02, 03, and 04 being=0A= > the extended circuit id of the node with higher system id (B, say),=0A= > then per 4.5.2, link 04 would be pulled into all multi-destination=0A= > trees, with no load-balancing on any of the other links.=0A= =0A= This provision in RFC 6325 didn't come out of nowhere. It was=0A= requested due, if I recall correctly, to limitation of some hardware=0A= in implementing the Reverse Path Forwarding Check for=0A= multi-destinaiton frames.=0A= =0A= > For P2P links and pseudonode suppressed LAN links, we were wondering=0A= > whether the following variant can be accommodated, so that=0A= > multi-destination traffic can be spread over more links, with better=0A= > link utilization:=0A= =0A= When there are multiple parallel unlabeled links visible to TRILL=0A= between two RBridges, this is reported to the campus as a single=0A= adjacency. If the two RBridges can come to agreement, it is really a=0A= private matter between them how those RBridges handle it. The=0A= provisions in RFC 6325 are just a minimum to assure that the default=0A= behavior will interoperate, taking into account the hardware=0A= limitations that, at the time, indicated only one of such links could=0A= be used for multi-destinaiton frames.=0A= =0A= There are lots of possible optimizations that are left out so that=0A= implementations have room to distinguish themselves. For example, the=0A= sending RBridge gets to chose which of the unlabeled parallel links to=0A= send unicast frames on. In doing so, it might want to avoid the link=0A= chosen for multi-destination.=0A= =0A= > Modified Approach: Once a dominant link-type is identified using the=0A= > tie-break rule specified in item 3 (P2P or LAN link with suppressed=0A= > pseudo node), if there is more than one link of the dominant type,=0A= > then such links are arranged in ascending order of parent's Extended=0A= > Circuit ID or Pseudonode ID, given serial numbers starting with 0,=0A= > and assigned to trees with a logic similar to the multi-parent ECMP=0A= > case:=0A= >=0A= > Link on Tree T =3D (T-1) mod N where N is the number of parallel links=0A= >=0A= > The parallel link check in section 4.5.2 must be modified to allow=0A= > only the adjacency that is selected for the tree that the packet=0A= > arrived on.=0A= =0A= I don't see any particular problem with such a change if we could get=0A= assurance that the previous reported hardware limitation was no longer=0A= a factor. However, it is pretty hard to prove a negative. And if you=0A= could, so different multi-destination frames could be sent over=0A= different links of such a bundle of unlabeled links, then why have any=0A= limiations at all? Just permit the sending RBridge to send over=0A= whichever link its private hash algorithm and weighting indicate...=0A= =0A= [**]: Agree in general, but wanted to point out the following - =0A= the unrestricted approach of sending on any link in the bundle (on a tree) = may have issues with RPF (Parallel link) check. =0A= Waiving the RPF check may not be a good option, for whatever reasons that R= PF check exists in networks today. If the RPF check is =0A= retained, the hardware may have to maintain a list of interfaces to cross c= heck against and this would be expensive - Table space for a single interfa= ce is probably the norm. =0A= It may also dilute the check. Or, the load-distribution hash may need to be= applied on the receive side before the RPF check as well, again this may b= e expensive in =0A= hardware. =0A= =0A= When it was discussed in the past, were you considering multiple links in t= he same tree, or one link per tree? =0A= The approach we are suggesting needs only one RPF interface (per tree), and= makes the P2P and pseudo-node suppressed LAN cases =0A= symmetric with the treatment of regular LAN. Treating it as optional tied = to a capability bit is fine. =0A= =0A= thanks,=0A= =0A= ramkumar =0A= =0A= =0A= =0A= In fact, the capability of receiving multi-destination frames over any=0A= link in such a unlabeled bundle could be advertised by a capability=0A= bit, which would make such a relaxation of the Parallel Links Check=0A= backwards compatible. If the capability was not signalled, you would=0A= still have to do what is in RFC 6325. This seems like a reasonable way=0A= to go to me.=0A= =0A= Thanks,=0A= Donald=0A= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=0A= Donald E. Eastlake 3rd +1-508-333-2270 (cell)=0A= 155 Beaver Street, Milford, MA 01757 USA=0A= d3e3e3@gmail.com=0A= =0A= > No change in metric advertisement is needed with regard to the rest of th= e=0A= > network, and in line with what is mentioned in 6325, the notion of mappin= g=0A= > continues to remain local to the two adjacent nodes RB1-RB2.=0A= >=0A= > Please let us know if the approach suggested above is feasible or if we m= ay=0A= > have missed something.=0A= >=0A= > Thanks,=0A= > Ramkumar=0A= _______________________________________________=0A= trill mailing list=0A= trill@ietf.org=0A= https://www.ietf.org/mailman/listinfo/trill=0A= From mohsin.sardar@seecs.edu.pk Thu Aug 23 23:11:56 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 77C7D21F855E for ; Thu, 23 Aug 2012 23:11:56 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.776 X-Spam-Level: X-Spam-Status: No, score=-1.776 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, HTML_MESSAGE=0.001, J_CHICKENPOX_53=0.6, J_CHICKENPOX_83=0.6, RCVD_IN_DNSWL_LOW=-1] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 38Jcr-nW2dCf for ; Thu, 23 Aug 2012 23:11:55 -0700 (PDT) Received: from mail-wi0-f172.google.com (mail-wi0-f172.google.com [209.85.212.172]) by ietfa.amsl.com (Postfix) with ESMTP id B00AF21F853D for ; Thu, 23 Aug 2012 23:11:53 -0700 (PDT) Received: by wicr5 with SMTP id r5so364918wic.13 for ; Thu, 23 Aug 2012 23:11:51 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type:x-gm-message-state; bh=YJvc7nuOZ5QmTK9EHX+CS4cAIphJ+isrMYWmphf/wWs=; b=IsflOXvSAAO9OehbwS9EX0H0GExSxA4C/JCD1LMLshL1DgZScNRlZhU4pjk1slvzX2 vop/VtYo0NEKxE8Q5JpyQAipBPyrD47SGspA36SviM7Jaj7qtX3L5E72Poef3e4Yfmrj aBGFEJ6ePTYvbYsOL/dF1fIwUKuQiWmi30SIq2UEuvJx2TquMOJiH3XKBoqZbTOjyNJC 2NGSmGh+tzl33LGdWvofu9ItJKTwSNgiSb8CuJReAWcmf+SU+ep2woRA1Mzhl1fiaI5n /fXcJ0/c8yhlSAZkyaJGSZBsGQ5eZhixJJPYJRN2kQIIL7NPKcixvGvCFi3x1739qHUV ZDSA== Received: by 10.180.82.230 with SMTP id l6mr2753997wiy.21.1345788710823; Thu, 23 Aug 2012 23:11:50 -0700 (PDT) MIME-Version: 1.0 Received: by 10.216.159.132 with HTTP; Thu, 23 Aug 2012 23:11:30 -0700 (PDT) In-Reply-To: References: From: Muhammad Mohsin Sardar Date: Fri, 24 Aug 2012 11:11:30 +0500 Message-ID: To: trill@ietf.org Content-Type: multipart/mixed; boundary=f46d044404080d26d304c7fcda81 X-Gm-Message-State: ALoCoQnDlbVZtRdJY/tIQEmuAdGdYtLja4r1PgTXdMhk8/lMFAPNI+QhnuHcL1KDV7VeVgHg/z+h Subject: [trill] Forwarding table for TRILL X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Aug 2012 06:11:56 -0000 --f46d044404080d26d304c7fcda81 Content-Type: multipart/alternative; boundary=f46d044404080d26d004c7fcda7f --f46d044404080d26d004c7fcda7f Content-Type: text/plain; charset=ISO-8859-1 Hi, As per my understanding from RFC6325 that TRILL has two forwarding tables, one having the record of nicknames for RBridges and other haveing the MAC addresses for end stations. Intermediate RBridges only have nicknames table to forward encapsulated packets. Whereas ingress/egress RBridges have both nickname and MAC Address table. Question: Does ingress/egress RBridges need a forwarding table having the size equal to number of end nodes(for MAC) + total RBridges(for Nickname)? Thanks! -- Best Regards, Muhammad Mohsin Sardar --f46d044404080d26d004c7fcda7f Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
Hi,
As per my understanding from RFC6325=A0that TR= ILL has two forwarding tables, one having the record of nicknames for RBrid= ges and other haveing the MAC addresses for end stations.
Intermediate RBridges only have nicknames table to forward encapsulate= d packets.
Whereas ingress/egress RBridges have both nickname and= MAC Address table.

Question:
Does ingre= ss/egress RBridges need a forwarding table having the size equal to number = of end nodes(for MAC) + total RBridges(for Nickname)?

Thanks!

--
Best Regards,
Muhammad Mo= hsin Sardar
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amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.376 X-Spam-Level: X-Spam-Status: No, score=-1.376 tagged_above=-999 required=5 tests=[AWL=2.224, BAYES_00=-2.599, RCVD_IN_DNSWL_LOW=-1] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ceIDOHu+syWx for ; Fri, 24 Aug 2012 03:31:35 -0700 (PDT) Received: from mail-pb0-f44.google.com (mail-pb0-f44.google.com [209.85.160.44]) by ietfa.amsl.com (Postfix) with ESMTP id 12ECE21F86CB for ; Fri, 24 Aug 2012 03:31:35 -0700 (PDT) Received: by pbbrr4 with SMTP id rr4so3144226pbb.31 for ; Fri, 24 Aug 2012 03:31:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:content-type:content-transfer-encoding; bh=ktwWSQy2f1ji0/v6HF9ZfvWi5T5a0j8rxjsY/i8n0bY=; b=HxyZl+/RPp881cBeenAvlyO2BdTDHvlwtU3drgwHUKZ5FyfuLQdjajJ1N9LlG6gSSJ 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comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00 X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Aug 2012 10:31:36 -0000 I support this draft. Section 5.4.1 mentions use of tunneling or a passive mode, this does not make things specific a either or, implementation will not inter-op. Best Regards, -Sujay On 16-08-2012 03:41, Erik Nordmark wrote: > > We are trying to understand if this document is getting close to WG > last call, but we don't know how many have read the document. > > If you have reviewed the document, please let us know. > If not, this might be a good time to review the document and provide > comments. > > Thanks, > Erik and Donald > _______________________________________________ > trill mailing list > trill@ietf.org > https://www.ietf.org/mailman/listinfo/trill From d3e3e3@gmail.com Fri Aug 24 05:59:05 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D18F421F8581 for ; Fri, 24 Aug 2012 05:59:05 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -102.629 X-Spam-Level: X-Spam-Status: No, score=-102.629 tagged_above=-999 required=5 tests=[AWL=-0.830, BAYES_00=-2.599, J_CHICKENPOX_43=0.6, J_CHICKENPOX_53=0.6, J_CHICKENPOX_83=0.6, RCVD_IN_DNSWL_LOW=-1, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id U0g2N50tUFXb for ; Fri, 24 Aug 2012 05:59:05 -0700 (PDT) Received: from mail-iy0-f172.google.com (mail-iy0-f172.google.com [209.85.210.172]) by ietfa.amsl.com (Postfix) with ESMTP id 5827D21F8582 for ; Fri, 24 Aug 2012 05:59:05 -0700 (PDT) Received: by iabz21 with SMTP id z21so3738118iab.31 for ; Fri, 24 Aug 2012 05:59:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=3nWyHRpFT78rCEOHRqwMfw4alxUQEaMcyN2C8vX894s=; b=FpT4QHB0kupdK6B/rFF4URaUhfwJC1NEstG33/Idru0gjV+u1xd1hIjn6pLTp82iD8 7Ya0KkutfB+tJNzqQRLfVaznmvzK1llhipv2LbmobJzRnxZnDeJ+bcnwg66/lGIm5BHy 7QoRovtc6vLSNDkxcymIT6Jqkb4noCWu9UC7DmIWpwx+hjzrZ9ED2va+6fFjTdsSp9m4 2FulU6MiQdvdqORpAbBS91WV6TIqtZgNHVHJ3y/mMimNJyHqmLrMMxbx/Ge5SmVw1Mu6 TFJO+t9Z/ZAAe3TuZSPmV7293hffiJxOIhYvJK3BGKXI53BqxVjPdfWUJ6xIGpZiRwia 9Hbw== Received: by 10.42.95.10 with SMTP id d10mr4318987icn.30.1345813144707; Fri, 24 Aug 2012 05:59:04 -0700 (PDT) MIME-Version: 1.0 Received: by 10.64.15.6 with HTTP; Fri, 24 Aug 2012 05:58:44 -0700 (PDT) In-Reply-To: References: From: Donald Eastlake Date: Fri, 24 Aug 2012 08:58:44 -0400 Message-ID: To: Muhammad Mohsin Sardar Content-Type: text/plain; charset=ISO-8859-1 Cc: trill@ietf.org Subject: Re: [trill] Forwarding table for TRILL X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Aug 2012 12:59:05 -0000 Hi Muhammad, On Fri, Aug 24, 2012 at 2:11 AM, Muhammad Mohsin Sardar wrote: > Hi, > > As per my understanding from RFC6325 that TRILL has two forwarding > tables, one having the record of nicknames for RBridges and other > haveing the MAC addresses for end stations. > > Intermediate RBridges only have nicknames table to forward encapsulated > packets. > > Whereas ingress/egress RBridges have both nickname and MAC Address table. An implementer can structure their tables however they want as long as the bits on the wire and the external behavior is the same; however, having two tables as you describe, one used by the native frame ingress/egress function and one used by the TRILL Data forwarding function is a reasonable way to look at it. > Question: > Does ingress/egress RBridges need a forwarding table having the size > equal to number of end nodes(for MAC) + total RBridges(for > Nickname)? Sort of. The ingress lookup is by VLAN+MAC to get an egress nickname (or find that it is not in the table) while the egress lookup is by VLAN+MAC to get a port (or find that it is not in the table). There is, of course, no requirement that the ingress/egress table(s) be exactly "equal" to the number of end station in the set of VLANs that the RBridge is interested in and that is probably almost never true. On the other hand, there is a requirement that an RBridge be able to hold the link state which includes the nicknames of all other RBridges (otherwise it is in overflow, see draft-ietf-trill-clear-correct) and be able to look up the egress nickname from a TRILL Data frame to determine which port (unicast) or ports (multi-destinaiton) to forward the TRILL Data frame out of. Thanks, Donald ============================= Donald E. Eastlake 3rd +1-508-333-2270 (cell) 155 Beaver Street, Milford, MA 01757 USA d3e3e3@gmail.com > Thanks! > > -- > Best Regards, > Muhammad Mohsin Sardar From mohsin.sardar@seecs.edu.pk Fri Aug 24 10:20:00 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D23F121F871E for ; Fri, 24 Aug 2012 10:20:00 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.476 X-Spam-Level: X-Spam-Status: No, score=-1.476 tagged_above=-999 required=5 tests=[AWL=-0.300, BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, HTML_MESSAGE=0.001, J_CHICKENPOX_43=0.6, J_CHICKENPOX_53=0.6, J_CHICKENPOX_83=0.6, RCVD_IN_DNSWL_LOW=-1] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id K9QECOFvCuI0 for ; Fri, 24 Aug 2012 10:19:59 -0700 (PDT) Received: from mail-ey0-f172.google.com (mail-ey0-f172.google.com [209.85.215.172]) by ietfa.amsl.com (Postfix) with ESMTP id B8B2021F871A for ; Fri, 24 Aug 2012 10:19:58 -0700 (PDT) Received: by eaai11 with SMTP id i11so627021eaa.31 for ; Fri, 24 Aug 2012 10:19:57 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type:x-gm-message-state; bh=y4i93FRlQCY4A2WvX52uWlJXaNlqQ9wZrpvwY/KkK6U=; b=FvTpqXdbDUr0OCEMaj0w0p0G9cOOs6Po4K+FfEBbr3g/TE0Nq8DR1MX0JPHi2BOLf6 t6rfbpWHU3yQHUNZGkXPqeI+X5fqIAnnhNa3D4tchKhrjefaRkDv/2sIsUEBbSAG0WNg y/PfbcfLqU+MBjJNaKr5um7U5iDffF2cMBmZdPneSP8iCLktYjhLjUuxGZJr5o/Ns2AZ htaZXss89L7hMjYMONHmSZ/VneTo3t4AsENAbUbVjy2A5EZDKUNHHreyqyVzT6KQx9SL ERjf3RcYAETUt2ikGIZ9k6v6YCRpp4uEvexYNKjA1b1uoL0+zUpqTbxyg1wAlWc6c2Ym tqMg== Received: by 10.14.199.67 with SMTP id w43mr8432784een.33.1345828797522; Fri, 24 Aug 2012 10:19:57 -0700 (PDT) MIME-Version: 1.0 Received: by 10.14.220.73 with HTTP; Fri, 24 Aug 2012 10:19:37 -0700 (PDT) In-Reply-To: References: From: Muhammad Mohsin Sardar Date: Fri, 24 Aug 2012 22:19:37 +0500 Message-ID: To: Donald Eastlake Content-Type: multipart/alternative; boundary=047d7b34352667a4ba04c8062f38 X-Gm-Message-State: ALoCoQmDR7X+C3+0A5yamyPGsMpBd3oHiQL7u1qvH9D4RyLl7rWx25SY9aiBjNNAYUV3hkEzHp01 Cc: trill@ietf.org Subject: Re: [trill] Forwarding table for TRILL X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Aug 2012 17:20:01 -0000 --047d7b34352667a4ba04c8062f38 Content-Type: text/plain; charset=ISO-8859-1 Hi Donald, Thanks for reply! Please clarify inline question. On Fri, Aug 24, 2012 at 5:58 PM, Donald Eastlake wrote: > Hi Muhammad, > > On Fri, Aug 24, 2012 at 2:11 AM, Muhammad Mohsin Sardar > wrote: > > Hi, > > > > As per my understanding from RFC6325 that TRILL has two forwarding > > tables, one having the record of nicknames for RBridges and other > > haveing the MAC addresses for end stations. > > > > Intermediate RBridges only have nicknames table to forward encapsulated > > packets. > > > > Whereas ingress/egress RBridges have both nickname and MAC Address table. > > An implementer can structure their tables however they want as long as > the bits on the wire and the external behavior is the same; however, > having two tables as you describe, one used by the native frame > ingress/egress function and one used by the TRILL Data forwarding > function is a reasonable way to look at it. > > > Question: > > Does ingress/egress RBridges need a forwarding table having the size > > equal to number of end nodes(for MAC) + total RBridges(for > > Nickname)? > > Sort of. > > The ingress lookup is by VLAN+MAC to get an egress nickname (or find > that it is not in the table) while the egress lookup is by VLAN+MAC to > get a port (or find that it is not in the table). There is, of course, > no requirement that the ingress/egress table(s) be exactly "equal" to > the number of end station in the set of VLANs that the RBridge is > interested in and that is probably almost never true. > Do we need ingress/egress table(s) nearly "equal" to the number of end stations? If we need MAC to nickname mapping for all end stations, Do we need a table size nearly equal to the number of end stations? Therefore, a larger ingress/egress table is required in case of data center networks of hundred thousand end servers. > > On the other hand, there is a requirement that an RBridge be able to > hold the link state which includes the nicknames of all other RBridges > (otherwise it is in overflow, see draft-ietf-trill-clear-correct) and > be able to look up the egress nickname from a TRILL Data frame to > determine which port (unicast) or ports (multi-destinaiton) to forward > the TRILL Data frame out of. > > Thanks, > Donald > ============================= > Donald E. Eastlake 3rd +1-508-333-2270 (cell) > 155 Beaver Street, Milford, MA 01757 USA > d3e3e3@gmail.com > > > Thanks! > > > > -- > > Best Regards, > > Muhammad Mohsin Sardar > -- Best Regards, Muhammad Mohsin Sardar --047d7b34352667a4ba04c8062f38 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Hi Donald,
Thanks for reply!
Please clarify inline question.<= br>
On Fri, Aug 24, 2012 at 5:58 PM, Donald E= astlake <d3e3e3@gmail.com> wrote:
Hi Muhammad,

On Fri, Aug 24, 2012 at 2:11 AM, Muhammad Mohsin Sardar
<mohsin.sardar@seecs.edu.p= k> wrote:
> Hi,
>
> As per my understanding from RFC6325 that TRILL has two forwarding
> tables, one having the record of nicknames for RBridges and other
> haveing the MAC addresses for end stations.
>
> Intermediate RBridges only have nicknames table to forward encapsulate= d
> packets.
>
> Whereas ingress/egress RBridges have both nickname and MAC Address tab= le.

An implementer can structure their tables however they want as long a= s
the bits on the wire and the external behavior is the same; however,
having two tables as you describe, one used by the native frame
ingress/egress function and one used by the TRILL Data forwarding
function is a reasonable way to look at it.

> Question:
> Does ingress/egress RBridges need a forwarding table having the size > equal to number of end nodes(for MAC) + total RBridges(for
> Nickname)?

Sort of.

The ingress lookup is by VLAN+MAC to get an egress nickname (or find
that it is not in the table) while the egress lookup is by VLAN+MAC to
get a port (or find that it is not in the table). There is, of course,
no requirement that the ingress/egress table(s) be exactly "equal"= ; to
the number of end station in the set of VLANs that the RBridge is
interested in and that is probably almost never true.
= Do we need ingress/egress table(s) nearly "equal" to the number o= f end stations?=A0
If we need MAC to nickname mapping for all end= stations, Do we need a table size nearly equal to the number of end statio= ns?=A0
Therefore, a larger ingress/egress table is required in case of data c= enter networks of hundred thousand end servers.

On the other hand, there is a requirement that an RBridge be able to
hold the link state which includes the nicknames of all other RBridges
(otherwise it is in overflow, see draft-ietf-trill-clear-correct) and
be able to look up the egress nickname from a TRILL Data frame to
determine which port (unicast) or ports (multi-destinaiton) to forward
the TRILL Data frame out of.

Thanks,
Donald
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D
=A0Donald E. Eastlake 3rd =A0 +1-508-333-2270 (cell)
=A0155 Beaver Street, Milford, MA 01757 USA
=A0d3e3e3@gmail.com

> Thanks!
>
> --
> Best Regards,
> Muhammad Mohsin Sardar



--
= Best Regards,
Muhammad Mohsin Sardar
--047d7b34352667a4ba04c8062f38-- From d3e3e3@gmail.com Fri Aug 24 12:34:58 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 764EB21F8503 for ; Fri, 24 Aug 2012 12:34:58 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -103.522 X-Spam-Level: X-Spam-Status: No, score=-103.522 tagged_above=-999 required=5 tests=[AWL=0.077, BAYES_00=-2.599, RCVD_IN_DNSWL_LOW=-1, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Ut5jKkYDsd0R for ; Fri, 24 Aug 2012 12:34:57 -0700 (PDT) Received: from mail-ob0-f172.google.com (mail-ob0-f172.google.com [209.85.214.172]) by ietfa.amsl.com (Postfix) with ESMTP id 679A721F845B for ; Fri, 24 Aug 2012 12:34:57 -0700 (PDT) Received: by obbwc20 with SMTP id wc20so5684524obb.31 for ; Fri, 24 Aug 2012 12:34:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=WJyDgcOLMj9WOtqzpCCUvTvJqTUEPCNZ925P5RQmBnA=; b=MSf34rEGyvuqiklTUBNoZwhkiC0ob0WnN55OJFbN7+gQqg+6MvBi7Dzua4g/3eHMeT olu68kGDYCKje+xDjJgyecDg28fAlbA9LM2xP71psqy/XKUgJpI6dgcBc4pS45SMRsx2 CdR6PajhSNhCRw/zI7mWgPsZx914IawjyzAlDcRER8Ra1b+3SuDi5lPYfQueBu4cO6CW CVk3x4pNv/SDg6xs2D4r2RwPGzaLrPeMlSpzdQHLjvYwrbWcEe2Bl9k8XzN1Pg7KbVFY mhrXOjxZvDSKC39cw8Xu9rU6PgSp/32K7JXGcRwLVpx3mF5+GR1IW6txzuNpJ7TLbMHI OBBA== Received: by 10.50.95.230 with SMTP id dn6mr3390400igb.16.1345836896624; Fri, 24 Aug 2012 12:34:56 -0700 (PDT) MIME-Version: 1.0 Received: by 10.64.15.6 with HTTP; Fri, 24 Aug 2012 12:34:35 -0700 (PDT) In-Reply-To: <29177B06F86DD543B9AFA2ECD0312CDB0F4BBC0F@xmb-rcd-x15.cisco.com> References: <29177B06F86DD543B9AFA2ECD0312CDB0F4BBC0F@xmb-rcd-x15.cisco.com> From: Donald Eastlake Date: Fri, 24 Aug 2012 15:34:35 -0400 Message-ID: To: "Ramkumar Parameswaran (ramkumar)" Content-Type: text/plain; charset=ISO-8859-1 Cc: "trill@ietf.org" Subject: Re: [trill] Suggestion on RFC 6325 section 4.5.2, single parent ECMP link selection. X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Aug 2012 19:34:58 -0000 Hi Ramkumar, On Thu, Aug 23, 2012 at 10:43 PM, Ramkumar Parameswaran (ramkumar) wrote: > > Hi Donald, > > Thanks for the consideration. One comment inline, tagged [**]: > ________________________________________ >> From: trill-bounces@ietf.org [trill-bounces@ietf.org] on behalf of Donald Eastlake [d3e3e3@gmail.com] >> Sent: Wednesday, August 22, 2012 11:12 AM >> To: Ramkumar Parameswaran (ramkumar) >> Cc: trill@ietf.org >> Subject: Re: [trill] Suggestion on RFC 6325 section 4.5.2, single parent ECMP link selection. >> >> Hi Ramkumar, >> >> On Wed, Aug 22, 2012 at 11:34 AM, Ramkumar Parameswaran (ramkumar) >> wrote: >> >>> Hi, >>> >>> ... >> >>> For P2P links and pseudonode suppressed LAN links, we were wondering >>> whether the following variant can be accommodated, so that >>> multi-destination traffic can be spread over more links, with better >>> link utilization: >> >> When there are multiple parallel unlabeled links visible to TRILL >> between two RBridges, this is reported to the campus as a single >> adjacency. If the two RBridges can come to agreement, it is really a >> private matter between them how those RBridges handle it. The >> provisions in RFC 6325 are just a minimum to assure that the default >> behavior will interoperate, taking into account the hardware >> limitations that, at the time, indicated only one of such links could >> be used for multi-destinaiton frames. >> >> There are lots of possible optimizations that are left out so that >> implementations have room to distinguish themselves. For example, the >> sending RBridge gets to chose which of the unlabeled parallel links to >> send unicast frames on. In doing so, it might want to avoid the link >> chosen for multi-destination. >> >>> Modified Approach: Once a dominant link-type is identified using the >>> tie-break rule specified in item 3 (P2P or LAN link with suppressed >>> pseudo node), if there is more than one link of the dominant type, >>> then such links are arranged in ascending order of parent's Extended >>> Circuit ID or Pseudonode ID, given serial numbers starting with 0, >>> and assigned to trees with a logic similar to the multi-parent ECMP >>> case: >>> >>> Link on Tree T = (T-1) mod N where N is the number of parallel links >>> >>> The parallel link check in section 4.5.2 must be modified to allow >>> only the adjacency that is selected for the tree that the packet >>> arrived on. >> >> I don't see any particular problem with such a change if we could get >> assurance that the previous reported hardware limitation was no longer >> a factor. However, it is pretty hard to prove a negative. And if you >> could, so different multi-destination frames could be sent over >> different links of such a bundle of unlabeled links, then why have any >> limiations at all? Just permit the sending RBridge to send over >> whichever link its private hash algorithm and weighting indicate... >> > [**]: Agree in general, but wanted to point out the following - > the unrestricted approach of sending on any link in the bundle (on a > tree) may have issues with RPF (Parallel link) check. Waiving the > RPF check may not be a good option, for whatever reasons that RPF > check exists in networks today. If the RPF check is retained, the > hardware may have to maintain a list of interfaces to cross check > against and this would be expensive - Table space for a single > interface is probably the norm. It may also dilute the check. Or, > the load-distribution hash may need to be applied on the receive > side before the RPF check as well, again this may be expensive in > hardware. I think you have re-discovered the reason for the current provisions in the specification. Of course, if the RPF check used a pseudo port number which was the same for all ports in such a TRILL port group, then it would not take any more RPF table space... So this sort of thing is critically dependent on just how the fast path hardware is implemented. > When it was discussed in the past, were you considering multiple > links in the same tree, or one link per tree? I don't remember. You can go back and look in the mail archives if you want. > The approach we are suggesting needs only one RPF interface (per > tree), and makes the P2P and pseudo-node suppressed LAN cases > symmetric with the treatment of regular LAN. Treating it as > optional tied to a capability bit is fine. I think in practice this situation would usually be solved by either using link aggregation or, for LAN links, by enabling pseudo-nodes on the parallel links. (With pseudo-nodes, you would typically get ECMP between the fastest links for unicast and different trees on different ones of the fastest links for multi-destination, with slower links ignored.) Furthermore, if both RBridges want to cooperate (like they are from the same manufacturer or something), they can do whatever fancy thing they want. As I said, the current provisions are to get something that will operate and interoperate correctly if such a configuration actually occurs. Is it worth the complexity to have additional logic, a configuration bit, etc., to make it somewhat better? In fact, you would need additional suggestions or provisions to really improve things for a wide variety of conditions. For example, what should you do if there are four unlabeled links between RB1 and RB2 that are 10Meg, 100Meg, 1Gig, and 10Gig bits per second repsectively? Auto-configuration can only get you so far before it becomes unreasonably complex and, to get the best performance, you need configuration. For example, one factor in such configuration might be what percentage of traffic overall is multi-destiation, something it would be a pain for TRILL to figure out. Thanks, Donald ============================= Donald E. Eastlake 3rd +1-508-333-2270 (cell) 155 Beaver Street, Milford, MA 01757 USA d3e3e3@gmail.com >> thanks, >> ramkumar >> >> >> In fact, the capability of receiving multi-destination frames over any >> link in such a unlabeled bundle could be advertised by a capability >> bit, which would make such a relaxation of the Parallel Links Check >> backwards compatible. If the capability was not signalled, you would >> still have to do what is in RFC 6325. This seems like a reasonable way >> to go to me. >> >> Thanks, >> Donald >> ============================= >> Donald E. Eastlake 3rd +1-508-333-2270 (cell) >> 155 Beaver Street, Milford, MA 01757 USA >> d3e3e3@gmail.com >> >>> No change in metric advertisement is needed with regard to the rest of the >>> network, and in line with what is mentioned in 6325, the notion of mapping >>> continues to remain local to the two adjacent nodes RB1-RB2. >>> >>> Please let us know if the approach suggested above is feasible or if we may >>> have missed something. >>> >>> Thanks, >>> Ramkumar From touch@isi.edu Fri Aug 24 13:24:25 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 37B9621F853A for ; Fri, 24 Aug 2012 13:24:25 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -104.566 X-Spam-Level: X-Spam-Status: No, score=-104.566 tagged_above=-999 required=5 tests=[AWL=0.833, BAYES_00=-2.599, J_CHICKENPOX_53=0.6, J_CHICKENPOX_83=0.6, RCVD_IN_DNSWL_MED=-4, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id RG7qKCngxKeF for ; Fri, 24 Aug 2012 13:24:24 -0700 (PDT) Received: from boreas.isi.edu (boreas.isi.edu [128.9.160.161]) by ietfa.amsl.com (Postfix) with ESMTP id 5C5D421F8534 for ; Fri, 24 Aug 2012 13:24:24 -0700 (PDT) Received: from [207.151.141.122] ([207.151.141.122]) (authenticated bits=0) by boreas.isi.edu (8.13.8/8.13.8) with ESMTP id q7OKNmGF028587 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Fri, 24 Aug 2012 13:23:57 -0700 (PDT) Message-ID: <5037E2D3.8060809@isi.edu> Date: Fri, 24 Aug 2012 13:23:47 -0700 From: Joe Touch User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:14.0) Gecko/20120713 Thunderbird/14.0 MIME-Version: 1.0 To: Muhammad Mohsin Sardar References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-ISI-4-43-8-MailScanner: Found to be clean X-MailScanner-From: touch@isi.edu Cc: trill@ietf.org Subject: Re: [trill] Forwarding table for TRILL X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Aug 2012 20:24:25 -0000 Hi, Muhammed, On 8/23/2012 11:11 PM, Muhammad Mohsin Sardar wrote: ... > Does ingress/egress RBridges need a forwarding table having the size > equal to number of end nodes(for MAC) + total RBridges(for Nickname)? As an upper-bound, yes. However, just as this information is collected over time, the "working set" of it can be cached, and so an implementation may have less capacity in either table and still be useful. Joe From internet-drafts@ietf.org Fri Aug 24 14:32:43 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E376921F8491; Fri, 24 Aug 2012 14:32:42 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -102.555 X-Spam-Level: X-Spam-Status: No, score=-102.555 tagged_above=-999 required=5 tests=[AWL=0.044, BAYES_00=-2.599, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id LjppJTLqGPQR; Fri, 24 Aug 2012 14:32:40 -0700 (PDT) Received: from ietfa.amsl.com (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3A27421F8445; Fri, 24 Aug 2012 14:32:40 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable From: internet-drafts@ietf.org To: i-d-announce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 4.34 Message-ID: <20120824213240.27312.36149.idtracker@ietfa.amsl.com> Date: Fri, 24 Aug 2012 14:32:40 -0700 Cc: trill@ietf.org Subject: [trill] I-D Action: draft-ietf-trill-oam-req-01.txt X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Aug 2012 21:32:43 -0000 A New Internet-Draft is available from the on-line Internet-Drafts director= ies. This draft is a work item of the Transparent Interconnection of Lots of Li= nks Working Group of the IETF. Title : Requirements for Operations, Administration and Maintena= nce (OAM) in TRILL Author(s) : Tissa Senevirathne David Bond Sam Aldrin Yizhou Li Rohit Watve Anoop Ghanwani Naveen Nimmu Radia Perlman Tal Mizrahi Filename : draft-ietf-trill-oam-req-01.txt Pages : 14 Date : 2012-08-24 Abstract: OAM (Operations, Administration and Maintenance) is a general term used to identify functions and toolsets to troubleshoot and monitor networks. This document presents, OAM Requirements applicable to TRILL. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-trill-oam-req There's also a htmlized version available at: http://tools.ietf.org/html/draft-ietf-trill-oam-req-01 A diff from the previous version is available at: http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-trill-oam-req-01 Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nkzouwenyu@gmail.com Fri Aug 24 18:19:29 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 10A9C21F8564 for ; Fri, 24 Aug 2012 18:19:29 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.31 X-Spam-Level: X-Spam-Status: No, score=-0.31 tagged_above=-999 required=5 tests=[BAYES_05=-1.11, J_CHICKENPOX_210=0.6, J_CHICKENPOX_45=0.6, J_CHICKENPOX_63=0.6, RCVD_IN_DNSWL_LOW=-1] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id HRr-7dK8IURA for ; Fri, 24 Aug 2012 18:19:28 -0700 (PDT) Received: from mail-gg0-f172.google.com (mail-gg0-f172.google.com [209.85.161.172]) by ietfa.amsl.com (Postfix) with ESMTP id 8DA6D21F852C for ; Fri, 24 Aug 2012 18:19:28 -0700 (PDT) Received: by ggnh4 with SMTP id h4so569536ggn.31 for ; Fri, 24 Aug 2012 18:19:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=dEmdwK4FDbBHy4EZOoWBmlSWc1wOUM8Kn492SY9mqlg=; b=inpWKii1NiKXm8pTY1Fb0KYL3n2FKGJVVCd8NLEEXKwrJrX7eLu3LXutwRkYwkoofU JMBTmLI2UjOFzONLPYrrc73M+smRYplcW2sJyELwzDn77N4kZGUgRUj1+3oAEu7Gl9wi GFmgdTPAGhS3/oZmgiQg/sn/gJKrexkaSN4yL9pZW855fC+3txlvb1yVCZQbPUB6NpV7 8fPLngYgFoOK0BKrfDYjVgYfTwb1fcT6PefyNMU4arEiQftg+GB78DnRgDpAq9KPTgUA t0GRL9quDoQvKp7sY5NA6rPMh9hj+xXiUbgV+1IjvKs/RCGXF7ZUkRENowGYO1gwnYqF H9YA== MIME-Version: 1.0 Received: by 10.236.153.9 with SMTP id e9mr6209160yhk.32.1345857567986; Fri, 24 Aug 2012 18:19:27 -0700 (PDT) Received: by 10.146.159.25 with HTTP; Fri, 24 Aug 2012 18:19:27 -0700 (PDT) Date: Sat, 25 Aug 2012 09:19:27 +0800 Message-ID: From: wenyu zou To: trill@ietf.org Content-Type: text/plain; charset=ISO-8859-1 Subject: [trill] Query on Interested VLANsand Spanning Tree Roots Sub-TLV in RFC6326 X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 25 Aug 2012 01:19:29 -0000 Hi Authors, I have a question about "AppointedForwarder Status Lost Counter" in"Interested VLANs and Spanning Tree Roots Sub-TLV", as specified in [RFC6326], Section 2.3.6. The counter is shared by VLANs from VLAN.start toVLAN.end. But the counter for per-VLAN can easily be different by configuration or topology change. When a port lost the status of being an appointed forwarder for VLANx, the Sub-TLV should be splited. So it maybe have so many Interested VLANs and Spanning Tree Roots Sub-TLV in LSPs, and they have little chance to merge again. Is it correct? Do you have some method to solve this problem? Thanks. Regards, wenyu From d3e3e3@gmail.com Fri Aug 24 19:48:47 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E2E6A21F85A3 for ; Fri, 24 Aug 2012 19:48:47 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -102.623 X-Spam-Level: X-Spam-Status: No, score=-102.623 tagged_above=-999 required=5 tests=[AWL=-0.824, BAYES_00=-2.599, J_CHICKENPOX_210=0.6, J_CHICKENPOX_45=0.6, J_CHICKENPOX_63=0.6, RCVD_IN_DNSWL_LOW=-1, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 5RculKTAsdVD for ; Fri, 24 Aug 2012 19:48:47 -0700 (PDT) Received: from mail-iy0-f172.google.com (mail-iy0-f172.google.com [209.85.210.172]) by ietfa.amsl.com (Postfix) with ESMTP id 21B5B21F853A for ; Fri, 24 Aug 2012 19:48:41 -0700 (PDT) Received: by iabz21 with SMTP id z21so5080572iab.31 for ; Fri, 24 Aug 2012 19:48:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=6/1ISyI4lYHXMwdnjDZQdC3RZKGZm3XNBNtVAC2489k=; b=xswQyAglz0HU5zeK9xk27eqZobVHi/s06CKuif8SZUqrUzA1a89G3y502ex7CWNsQS NjyzOe5wZka4FROqur5+eWcUsnzyR/p5t8q37W1TiFKdRfJD0O9Jh3aGU+QRi9sCkuhK dAG8b5ab8qD95g8OiJXU6dwad9iTIihdeEPe0gX8GlmZ7NhfaqWudOQZYqgsUwCJY0v5 iy131/3OvHPlDP58+ytHWcrNWa2ZX57Pq6HI+zVHfFROPB1k/U4R7Rri/RfRoUAbFmLA ER9ziQrJhk0C2I4O/aSxQhVYzfjrHQrt2P6n+m1ItkyWrAltvR5bbeyNAjtqoakbLejt 0xBA== Received: by 10.50.94.133 with SMTP id dc5mr4142507igb.16.1345862920556; Fri, 24 Aug 2012 19:48:40 -0700 (PDT) MIME-Version: 1.0 Received: by 10.64.15.6 with HTTP; Fri, 24 Aug 2012 19:48:20 -0700 (PDT) In-Reply-To: References: From: Donald Eastlake Date: Fri, 24 Aug 2012 22:48:20 -0400 Message-ID: To: wenyu zou Content-Type: text/plain; charset=ISO-8859-1 Cc: trill@ietf.org Subject: Re: [trill] Query on Interested VLANsand Spanning Tree Roots Sub-TLV in RFC6326 X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 25 Aug 2012 02:48:48 -0000 Hi Wenyu, On Fri, Aug 24, 2012 at 9:19 PM, wenyu zou wrote: > Hi Authors, > I have a question about "AppointedForwarder Status Lost Counter" > in"Interested VLANs and Spanning Tree Roots Sub-TLV", as specified in > [RFC6326], Section 2.3.6. The counter is shared by VLANs from > VLAN.start toVLAN.end. But the counter for per-VLAN can easily be > different by configuration or topology change. When a port lost the > status of being an appointed forwarder for VLANx, the Sub-TLV should > be splited. So it maybe have so many Interested VLANs and Spanning > Tree Roots Sub-TLV in LSPs, and they have little chance to merge > again. > Is it correct? Do you have some method to solve this problem? The Appointed Forwarder Status Lost Counter is a mechanism to optimize data plane learning by trimming the expiration timer for learned addresses per VLAN under some circumstances. (1) If you don't care about that optimization and don't mind some time outs being longer than they otherwise would be, you can just not bother changing the counter, even if you are using data plane learning. On the other hand, if you don't care about sone time outs being shortened when they otherwise wouldn't, you could increment the counter for multiple VLANs even you don't lose AF status on a port for all those VLANS. (2) If you are using ESADI or Directory Assist and not learning from the data plane, the counter doesn't matter and there really isn't any reason to increment it. (3) If an RBridge port has been configured with the "disable end station traffic" bit on (also known as the trunk bit), then it makes no difference if that port is appointed forwarder or not. So there is no reason to increment the counter if such a port loses Appointed Forwarder status. (4) If you are updating the counter, incrementing it by more than one (even up to incrementing it by a couple of hundred), so that it matches the counter for some other VLAN for the same RBridge would have an extremely small probability of causing any sub-optimization and if it did will just very rarely fail to specially decrease the time out for some learned addresses. Thanks, Donald ============================= Donald E. Eastlake 3rd +1-508-333-2270 (cell) 155 Beaver Street, Milford, MA 01757 USA d3e3e3@gmail.com > Thanks. > Regards, > wenyu From zhai.hongjun@zte.com.cn Sun Aug 26 19:28:24 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1A3FC21F856D for ; Sun, 26 Aug 2012 19:28:24 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -93.993 X-Spam-Level: X-Spam-Status: No, score=-93.993 tagged_above=-999 required=5 tests=[AWL=-2.246, BAYES_40=-0.185, HTML_MESSAGE=0.001, MIME_BASE64_TEXT=1.753, MIME_CHARSET_FARAWAY=2.45, RCVD_BAD_ID=2.837, USER_IN_WHITELIST=-100, WEIRD_QUOTING=1.396] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bnDG96A7KKnR for ; Sun, 26 Aug 2012 19:28:23 -0700 (PDT) Received: from mx5.zte.com.cn (mx5.zte.com.cn [63.217.80.70]) by ietfa.amsl.com (Postfix) with ESMTP id 913B421F8581 for ; Sun, 26 Aug 2012 19:28:21 -0700 (PDT) Received: from [10.30.3.20] by mx5.zte.com.cn with surfront esmtp id 23255316744263(version=TLSv1/SSLv3 cipher=SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA bits=128 verify=NO); Mon, 27 Aug 2012 10:22:04 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse01.zte.com.cn with ESMTP id q7R2SF2x001766 for ; Mon, 27 Aug 2012 10:28:15 +0800 (GMT-8) (envelope-from zhai.hongjun@zte.com.cn) To: trill@ietf.org MIME-Version: 1.0 X-KeepSent: 6EB89289:E1FBC580-48257A67:000A67AB; type=4; name=$KeepSent X-Mailer: Lotus Notes Release 6.5.6 March 06, 2007 Message-ID: From: zhai.hongjun@zte.com.cn Date: Mon, 27 Aug 2012 10:28:15 +0800 X-MIMETrack: Serialize by Router on notes_smtp/zte_ltd(Release 8.5.3FP1 HF212|May 23, 2012) at 2012-08-27 10:28:15, Serialize complete at 2012-08-27 10:28:15 Content-Type: multipart/alternative; boundary="=_alternative 000DD02E48257A67_=" X-MAIL: mse01.zte.com.cn q7R2SF2x001766 Subject: [trill] FWD: New Version Notification for draft-hu-trill-pseudonode-nickname-03.txt X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." 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DQpUaGUgSUVURiBTZWNyZXRhcmlhdDxicj4NCjxicj4NCjxicj4NCjwvZm9udD48L3R0Pg0K --=_alternative 000DD02E48257A67_=-- From haoweiguo@huawei.com Mon Aug 27 02:12:38 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4BFB221F858F for ; Mon, 27 Aug 2012 02:12:38 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: 2.449 X-Spam-Level: ** X-Spam-Status: No, score=2.449 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, CHARSET_FARAWAY_HEADER=3.2, MIME_8BIT_HEADER=0.3, MIME_BASE64_TEXT=1.753, MIME_CHARSET_FARAWAY=2.45, RCVD_IN_DNSWL_MED=-4, SARE_SUB_ENC_GB2312=1.345] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id aDS0iJuKY7DI for ; Mon, 27 Aug 2012 02:12:37 -0700 (PDT) Received: from dfwrgout.huawei.com (dfwrgout.huawei.com [206.16.17.72]) by ietfa.amsl.com 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AQHNf89LSrP38wHip0qXM168rF7bXZdtZ9cT Date: Mon, 27 Aug 2012 09:11:25 +0000 Message-ID: References: <502C1EA0.7050305@acm.org>, <44392359-7AC1-42DF-B0DD-08CFBBABCE04@gmail.com> In-Reply-To: <44392359-7AC1-42DF-B0DD-08CFBBABCE04@gmail.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.135.22.156] Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Cc: "TSENEVIR@cisco.com" , "trill@ietf.org" Subject: [trill] =?gb2312?b?tPC4tDogIEFueSBjb21tZW50cyBvbiBDb29yZGluYXRl?= =?gb2312?b?ZCBNdWx0aWNhc3QgVHJlZXMgKENNVCkgZm9yCVRSSUxMIC0gZHJhZnQtaWV0?= =?gb2312?b?Zi10cmlsbC1jbXQtMDA=?= X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 27 Aug 2012 09:12:38 -0000 SSBoYXZlIHJlYWQgdGhlIGRvY3VtZW50IGFuZCB3b3VsZCBzdXBwb3J0IGl0IGdvaW5nIHRvIFdH IGxhc3QgY2FsbC4NCndlaWd1bw0KDQpPbiBBdWcgMTUsIDIwMTIsIGF0IDM6MTEgUE0sIEVyaWsg Tm9yZG1hcmsgPG5vcmRtYXJrQGFjbS5vcmc+IHdyb3RlOg0KDQo+DQo+IFdlIGFyZSB0cnlpbmcg dG8gdW5kZXJzdGFuZCBpZiB0aGlzIGRvY3VtZW50IGlzIGdldHRpbmcgY2xvc2UgdG8gV0cgbGFz dCBjYWxsLCBidXQgd2UgZG9uJ3Qga25vdyBob3cgbWFueSBoYXZlIHJlYWQgdGhlIGRvY3VtZW50 Lg0KPg0KPiBJZiB5b3UgaGF2ZSByZXZpZXdlZCB0aGUgZG9jdW1lbnQsIHBsZWFzZSBsZXQgdXMg a25vdy4NCj4gSWYgbm90LCB0aGlzIG1pZ2h0IGJlIGEgZ29vZCB0aW1lIHRvIHJldmlldyB0aGUg ZG9jdW1lbnQgYW5kIHByb3ZpZGUgY29tbWVudHMuDQo+DQo+IFRoYW5rcywNCj4gICBFcmlrIGFu ZCBEb25hbGQNCj4gX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X18NCj4gdHJpbGwgbWFpbGluZyBsaXN0DQo+IHRyaWxsQGlldGYub3JnDQo+IGh0dHBzOi8vd3d3 LmlldGYub3JnL21haWxtYW4vbGlzdGluZm8vdHJpbGw= From tsenevir@cisco.com Mon Aug 27 07:36:14 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 9854521F865D for ; Mon, 27 Aug 2012 07:36:14 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -7.649 X-Spam-Level: X-Spam-Status: No, score=-7.649 tagged_above=-999 required=5 tests=[AWL=-2.650, BAYES_00=-2.599, HTML_MESSAGE=0.001, MIME_BASE64_TEXT=1.753, MIME_CHARSET_FARAWAY=2.45, RCVD_IN_DNSWL_HI=-8, WEIRD_QUOTING=1.396] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id LKlcPameXWjW for ; Mon, 27 Aug 2012 07:36:13 -0700 (PDT) Received: from rcdn-iport-4.cisco.com (rcdn-iport-4.cisco.com [173.37.86.75]) by ietfa.amsl.com (Postfix) with ESMTP id 529A621F8495 for ; Mon, 27 Aug 2012 07:36:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=tsenevir@cisco.com; l=25369; q=dns/txt; s=iport; t=1346078173; x=1347287773; h=from:to:subject:date:message-id:references:in-reply-to: mime-version; bh=nLjVGle7KIMGUAGKXmi6H06JRhngFck/6fzhRt+Ywqk=; b=ECTr+2HFXhkJotgqlmqIL0jS4NjoPBu+qVqRiHSCImqo/O5bUfc0IVyk pMWzavla67eOxJkSv7Bb0NnxR7WiKwP9j080pyell6V2BcbZkRmclT/Im zDhqCUVZxqaC1505vvpVYkB8ghgFDpqA1/ih6OYCeLg58LqnmypW9SibJ M=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AnUFAGuFO1CtJV2a/2dsb2JhbABFgkqDOYJfoF2ITwGGIoFSdIEHgiABAQEEEgEaShICAQYCEQQBAQsWBwUCAh8RFAkIAgQBEggBEgeHXAMMC5onjRIIiQcNiU6KJWOFezZgA5QCgmeJeoMggWeCY4Fh X-IronPort-AV: E=Sophos;i="4.80,321,1344211200"; d="scan'208,217";a="115657736" Received: from rcdn-core-3.cisco.com ([173.37.93.154]) by rcdn-iport-4.cisco.com with ESMTP; 27 Aug 2012 14:36:12 +0000 Received: from xhc-aln-x01.cisco.com (xhc-aln-x01.cisco.com [173.36.12.75]) by rcdn-core-3.cisco.com (8.14.5/8.14.5) with ESMTP id q7REaBT7005424 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Mon, 27 Aug 2012 14:36:11 GMT Received: from xmb-rcd-x08.cisco.com ([169.254.8.212]) by xhc-aln-x01.cisco.com ([173.36.12.75]) with mapi id 14.02.0298.004; Mon, 27 Aug 2012 09:36:11 -0500 From: "Tissa Senevirathne (tsenevir)" To: "zhai.hongjun@zte.com.cn" , "trill@ietf.org" Thread-Topic: [trill] FWD: New Version Notification for draft-hu-trill-pseudonode-nickname-03.txt Thread-Index: AQHNg/ulmtHGo0nBIEiaCjFSD/ZppJdtuE9g Date: Mon, 27 Aug 2012 14:36:11 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.21.167.190] x-tm-as-product-ver: SMEX-10.2.0.1135-7.000.1014-19140.006 x-tm-as-result: No--46.366600-8.000000-31 x-tm-as-user-approved-sender: No x-tm-as-user-blocked-sender: No Content-Type: multipart/alternative; boundary="_000_FBEA3E19AA24F847BA3AE74E2FE193560E672998xmbrcdx08ciscoc_" MIME-Version: 1.0 Subject: Re: [trill] FWD: New Version Notification for draft-hu-trill-pseudonode-nickname-03.txt X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." 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As noted by Hongjun, This= draft provide a unified framework in solving LAN edge connectivity in TRIL= L. It utilizes CMT concepts when solving active-active multi homed edge.

 <= /p>

CMT draft in itself is pr= oviding a flexible framework in deriving RPF. There are many applications t= hat can utilize the CMT concepts. E.g of such applications are Resilient Multicast trees, active-active edge, Multicast TE, etc. The =  CMT draft will remain focused on the framework and  application = of different solutions will be discussed in related documents.

 <= /p>

In that light,  draf= t-hu-trill-pseudonode-nickname-03.txt, discuss how CMT concepts are applied= to active-active LAN edge also it provide a unified solution for TRILL LAN edge and  hence is the best place to discuss=

 <= /p>

1. = ;      Edge failure scen= arios

2. = ;      Miss configuratio= ns

3. = ;      Receipt of TRILL = encap packets on LAN edge

4. = ;      Or please bring i= t on any other you may think

 <= /p>

Appreciate very much if y= ou can review and provide us comments.

 <= /p>

Thanks<= /p>

Tissa and Hongjun.

 <= /p>

From: trill-bo= unces@ietf.org [mailto:trill-bounces@ietf.org] On Behalf Of zhai.hongjun@zte.com.cn
Sent: Sunday, August 26, 2012 7:28 PM
To: trill@ietf.org
Subject: [trill] FWD: New Version Notification for draft-hu-trill-ps= eudonode-nickname-03.txt

 


Hi Folks,

A new version of draft-hu-trill-pseudonode-nickname has been pos= ted. The concept of Virtual RBridge (RBv), along with its pseudo-nickname, = is dicussed in this draft. And a unified framework is provided to allows RBv to be used both in shared LAN and point-piont scena= rios at the edge of TRILL campus. Then the member Rbridges in a RBv can pro= vide active-active load balancing to their connected end nodes in a same VL= AN.

Please review it and let us know your comments.

Thanks,
Zhai Hongjun
""""""""""""&qu= ot;""""""""""""= """"""""""""&qu= ot;""""""""""""= """"""""""""&qu= ot;"""""""
Protocol Development Dept.VI, Central R&D Institute, ZTE Corporation No. 68, Zijinghua Road, Yuhuatai District, Nanjing, P.R.China, 210012

Zhai Hongjun

Tel: +86-25-52877345
Email: zhai.hongjun@zte.com.cn
""""""""""""&qu= ot;""""""""""""= """"""""""""&qu= ot;""""""""""""= """"""""""""&qu= ot;""""""""


----- =D7=AA= =B7=A2=C8=CB =B5=D4= =BA=E9=BE=FC129567/user/zte_ltd =CA=B1= =BC=E4 2012-08-27 09:56 -----

internet-drafts@ietf.org

2012-08-27 09:53

=CA=D5=BC=FE=C8=CB<= /p>

zhai.hongjun@zte.com.cn

=B3=AD=CB=CD

tsen= evir@cisco.com, d3e3e3@gmail.com, radia@alum.mit.edu, hu.fangwei= @zte.com.cn, zhangmingui@huawei.com=

=D6=F7=CC=E2

New Version Notification for draft-hu-tril= l-pseudonode-nickname-03.txt

 





A new version of I-D, draft-hu-trill-pseudonode-nickname-03.txt has been successfully submitted by Hongjun Zhai and posted to the<= br> IETF repository.

Filename:                  = ;draft-hu-trill-pseudonode-nickname
Revision:                  = ;03
Title:                   &= nbsp;               RBridge: Pseudo-Nick= name
Creation date:                 =  2012-08-26
WG ID:                   &= nbsp;               Individual Submissio= n
Number of pages: 16
URL:             http://www.ietf.org/internet-drafts/draft-hu-trill-pseudonode-nickname-03.t= xt
Status:          http://datatracker.ietf.o= rg/doc/draft-hu-trill-pseudonode-nickname
Htmlized:        http://tools.ietf.org/html/draft= -hu-trill-pseudonode-nickname-03
Diff:            http://www.iet= f.org/rfcdiff?url2=3Ddraft-hu-trill-pseudonode-nickname-03

Abstract:
  At the edg of TRILL campus, some RBridges provide end-station
  services to their attached end stations; these RBridges are call= ed
  edge RBridges.  To avoid potential frame duplication or loo= ps in
  TRILL campus, only one edge RBridge is permitted to provide such=
  services in a VLAN at all times to its attached end stations eve= n
  they are also attached to other edge RBridges.  However, in= some
  application scenarios, for example in Link Aggregation Group (LA= G),
  more than one edge RBridge is required to provide such services = to an
  end station even in a VLAN to improve resiliency and maximize th= e
  available network bandwidth, which causes the flip-flopping of t= he
  egress RBridge nickname for such an end station in remote RBridg= es'
  forwarding tables.  In this document, the concept of Virtua= l RBridge,
  along with its pseudo-nickname, is introduced to address the abo= ve
  problem.

                    &= nbsp;                    =                     &nbs= p;                  


The IETF Secretariat

--_000_FBEA3E19AA24F847BA3AE74E2FE193560E672998xmbrcdx08ciscoc_-- From linda.dunbar@huawei.com Mon Aug 27 09:08:50 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B9E0C21F847D for ; Mon, 27 Aug 2012 09:08:50 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.968 X-Spam-Level: X-Spam-Status: No, score=-1.968 tagged_above=-999 required=5 tests=[AWL=-4.417, BAYES_00=-2.599, CHARSET_FARAWAY_HEADER=3.2, MIME_8BIT_HEADER=0.3, MIME_BASE64_TEXT=1.753, MIME_CHARSET_FARAWAY=2.45, RCVD_IN_DNSWL_MED=-4, SARE_SUB_ENC_GB2312=1.345] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id R8NoUd9dl0Ha for ; Mon, 27 Aug 2012 09:08:50 -0700 (PDT) Received: from dfwrgout.huawei.com (dfwrgout.huawei.com [206.16.17.72]) by ietfa.amsl.com (Postfix) with ESMTP id 35EDE21F847A for ; Mon, 27 Aug 2012 09:08:50 -0700 (PDT) Received: from 172.18.9.243 (EHLO dfweml201-edg.china.huawei.com) ([172.18.9.243]) by dfwrg02-dlp.huawei.com (MOS 4.3.5-GA FastPath) with ESMTP id APY00364; Mon, 27 Aug 2012 08:08:49 -0800 (PST) Received: from DFWEML406-HUB.china.huawei.com (10.193.5.131) by dfweml201-edg.china.huawei.com (172.18.9.107) with Microsoft SMTP Server (TLS) id 14.1.323.3; Mon, 27 Aug 2012 09:04:17 -0700 Received: from DFWEML505-MBX.china.huawei.com ([10.124.31.100]) by dfweml406-hub.china.huawei.com ([10.193.5.131]) with mapi id 14.01.0323.003; Mon, 27 Aug 2012 09:04:15 -0700 From: Linda Dunbar To: Erik Nordmark Thread-Topic: =?gb2312?B?W3RyaWxsXSC08Li0OiAgQW55IGNvbW1lbnRzIG9uIENvb3JkaW5hdGVkIE11?= =?gb2312?B?bHRpY2FzdCBUcmVlcyAoQ01UKSBmb3IJVFJJTEwgLSBkcmFmdC1pZXRmLXRy?= =?gb2312?Q?ill-cmt-00?= Thread-Index: AQHNhDa+Hg6UZtIy+U+dq/Q1WjRFlpdt0qwQ Date: Mon, 27 Aug 2012 16:04:15 +0000 Message-ID: <4A95BA014132FF49AE685FAB4B9F17F6450536F1@dfweml505-mbx> References: <502C1EA0.7050305@acm.org>, <44392359-7AC1-42DF-B0DD-08CFBBABCE04@gmail.com> In-Reply-To: Accept-Language: en-US, zh-CN Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.192.11.136] Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Cc: "TSENEVIR@cisco.com" , "trill@ietf.org" Subject: Re: [trill] =?gb2312?b?tPC4tDogIEFueSBjb21tZW50cyBvbiBDb29yZGluYXRl?= =?gb2312?b?ZCBNdWx0aWNhc3QgVHJlZXMgKENNVCkgZm9yCVRSSUxMIC0gZHJhZnQtaWV0?= =?gb2312?b?Zi10cmlsbC1jbXQtMDA=?= X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 27 Aug 2012 16:08:50 -0000 U3VwcG9ydC4gDQoNCkxpbmRhIER1bmJhcg0KPiANCj4gT24gQXVnIDE1LCAyMDEyLCBhdCAzOjEx IFBNLCBFcmlrIE5vcmRtYXJrIDxub3JkbWFya0BhY20ub3JnPiB3cm90ZToNCj4gDQo+ID4NCj4g PiBXZSBhcmUgdHJ5aW5nIHRvIHVuZGVyc3RhbmQgaWYgdGhpcyBkb2N1bWVudCBpcyBnZXR0aW5n IGNsb3NlIHRvIFdHDQo+IGxhc3QgY2FsbCwgYnV0IHdlIGRvbid0IGtub3cgaG93IG1hbnkgaGF2 ZSByZWFkIHRoZSBkb2N1bWVudC4NCj4gPg0KPiA+IElmIHlvdSBoYXZlIHJldmlld2VkIHRoZSBk b2N1bWVudCwgcGxlYXNlIGxldCB1cyBrbm93Lg0KPiA+IElmIG5vdCwgdGhpcyBtaWdodCBiZSBh IGdvb2QgdGltZSB0byByZXZpZXcgdGhlIGRvY3VtZW50IGFuZCBwcm92aWRlDQo+IGNvbW1lbnRz Lg0KPiA+DQo+ID4gVGhhbmtzLA0KPiA+ICAgRXJpayBhbmQgRG9uYWxkDQo+ID4gX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18NCj4gPiB0cmlsbCBtYWlsaW5n IGxpc3QNCj4gPiB0cmlsbEBpZXRmLm9yZw0KPiA+IGh0dHBzOi8vd3d3LmlldGYub3JnL21haWxt YW4vbGlzdGluZm8vdHJpbGwNCj4gX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18NCj4gdHJpbGwgbWFpbGluZyBsaXN0DQo+IHRyaWxsQGlldGYub3JnDQo+IGh0 dHBzOi8vd3d3LmlldGYub3JnL21haWxtYW4vbGlzdGluZm8vdHJpbGwNCg== From d3e3e3@gmail.com Thu Aug 30 07:59:46 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 878C121F8570 for ; Thu, 30 Aug 2012 07:59:46 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -103.525 X-Spam-Level: X-Spam-Status: No, score=-103.525 tagged_above=-999 required=5 tests=[AWL=0.074, BAYES_00=-2.599, RCVD_IN_DNSWL_LOW=-1, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id HOOqMRTYinSX for ; Thu, 30 Aug 2012 07:59:45 -0700 (PDT) Received: from mail-ob0-f172.google.com (mail-ob0-f172.google.com [209.85.214.172]) by ietfa.amsl.com (Postfix) with ESMTP id A0D4421F851A for ; Thu, 30 Aug 2012 07:59:45 -0700 (PDT) Received: by obbwc20 with SMTP id wc20so3906916obb.31 for ; Thu, 30 Aug 2012 07:59:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type; bh=iXG/dD9oHYmvAD2wOnUTTesTmPDSIg9fcVIx44MkdOY=; b=KEPUvJXjkPib8igHinOiVeZreq6bFReAEKI1V+u2GZJDnT0gE1yK02xjhmDs8blokB UXbV3aMKW/VkpQhNJ+mHBjXVCo4OFmdl/YNnUO9CAKZMQPvAQM794xV8A+fF3Y1RGsDp bKEC+R/RZYcP7kj1NMt6BhhzRBpfC9g3mUSlnJYBxe6uF63mA2M4hvaq+1OJWDLEle4Z Il139/+FKJHT3KwzkXgACpsbcJ5Vw+d7vVO3Dn7HXpjgLAqERyc5n4tIU+DTq07SFSHb H0bQr9Gdb2+8o0B03Tu8TYclVV5tO8boAzQj+W566JUW5NjuzPpwV/Sh+ByhUAB89afp MMVg== Received: by 10.182.75.33 with SMTP id z1mr4852851obv.9.1346338785163; Thu, 30 Aug 2012 07:59:45 -0700 (PDT) MIME-Version: 1.0 Received: by 10.60.135.1 with HTTP; Thu, 30 Aug 2012 07:59:24 -0700 (PDT) In-Reply-To: <20120827231317.20792.2158.idtracker@ietfa.amsl.com> References: <20120827231317.20792.2158.idtracker@ietfa.amsl.com> From: Donald Eastlake Date: Thu, 30 Aug 2012 10:59:24 -0400 Message-ID: To: trill@ietf.org Content-Type: text/plain; charset=ISO-8859-1 Subject: [trill] Fwd: NomCom 2012-2013: Call for Nominations X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 30 Aug 2012 14:59:46 -0000 The nomcom is looking for candidates for IETF positions as below. Thanks, Donald ============================= Donald E. Eastlake 3rd +1-508-333-2270 (cell) 155 Beaver Street, Milford, MA 01757 USA d3e3e3@gmail.com ---------- Forwarded message ---------- From: NomCom Chair Date: Mon, Aug 27, 2012 at 7:13 PM Subject: NomCom 2012-2013: Call for Nominations To: IETF Announcement List The 2012-2013 Nominating Committee (NomCom) is seeking nominations from now until September 24, 2012 . The open positions being considered by this year's NomCom can be found at the end of this email or on the NomCom 2012-2013 website: https://www.ietf.org/group/nomcom/2012/ Nominations may be made by selecting the Nominate link at the top of the NomCom 2012-2013 website or by visiting the following URL: https://www.ietf.org/group/nomcom/2012/nominate Note that nominations made using the web tool require an ietf.org (i.e., datatracker) account. You can create an ietf.org account by visiting the following URL: https://datatracker.ietf.org/accounts/create/ Nominations may also be made by email to nomcom12@ietf.org. If you do so, please include the word "Nominate" in the Subject and indicate in the email who is being nominated, their email address (to confirm acceptance of the nomination), and the position for which you are making the nomination. If you wish to nominate someone via email for more than one position, please use separate emails to do so. Self nomination is welcome. NomCom 2012-2013 will follow the policy for "Open Disclosure of Willing Nominees" described in RFC 5680. As stated in RFC 5680: "The list of nominees willing to be considered for positions under review in the current NomCom cycle is not confidential". Willing Nominees for each position will be publicly listed. With the exception of publicly listing willing nominees, the confidentiality requirements of RFC 3777 remain in effect. All feedback and NomCom deliberations will remain confidential and will not be disclosed. In order to ensure time to collect sufficient community feedback about each of the willing nominees, nominations must be received by the NomCom on or before September 24, 2012. The NomCom appoints individuals to fill the open slots on the IAOC, the IAB, and the IESG. This year, the NomCom willing be filling the positions currently held by the following individuals, whose terms expire in March 2013: IAOC: -------- Dave Crocker IAB: -------- Alissa Cooper Joel Halpern David Kessens Danny McPherson Jon Peterson Dave Thaler IESG: -------- Russ Housley (IETF Chair) Pete Resnick (Applications Area) Ralph Droms (Internet Area) Ronald Bonica (Operations and Management Area) Robert Sparks (Real-Time Applications and Infrastructure Area) Adrian Farrel (Routing Area) Stephen Farrell (Security Area) Wesley Eddy (Transport Area) In addition to nominations, the Nominating Committee is actively seeking community input on the jobs that need to be filled. We have received the job descriptions from the IAB, IESG, and IAOC and they can be found at: https://www.ietf.org/group/nomcom/2012/iaoc-requirements https://www.ietf.org/group/nomcom/2012/iab-requirements https://www.ietf.org/group/nomcom/2012/chair-requirements https://www.ietf.org/group/nomcom/2012/iesg-requirements However, we also need the community's views and input on the jobs within each organization. If you have ideas on job responsibilities (more, less, different), please let us know. Please send suggestions and feedback to nomcom12@ietf.org. Thank you for your help in identifying qualified nominees. Matt Lepinski nomcom-chair@ietf.org From krupakaran@force10networks.com Fri Aug 31 03:01:24 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 697AF21F856D for ; Fri, 31 Aug 2012 03:01:24 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.228 X-Spam-Level: X-Spam-Status: No, score=-2.228 tagged_above=-999 required=5 tests=[AWL=0.370, BAYES_00=-2.599, HTML_MESSAGE=0.001] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id tuZ07VLwQvl7 for ; Fri, 31 Aug 2012 03:01:23 -0700 (PDT) Received: from mx.force10networks.com (maa.force10networks.com [59.163.202.254]) by ietfa.amsl.com (Postfix) with ESMTP id 3C12721F856C for ; Fri, 31 Aug 2012 03:01:23 -0700 (PDT) Received: from EXCH-CLUSTER-11.force10networks.com ([10.16.127.21]) by exch7-maa-fe.force10networks.com ([10.16.126.10]) with mapi; Fri, 31 Aug 2012 15:31:18 +0530 From: Kesava Vijay Krupakaran To: "trill@ietf.org" Date: Fri, 31 Aug 2012 15:31:17 +0530 Thread-Topic: New draft for AF Load Share using Fair Share Scheduling Thread-Index: Ac2HX5As0yy2QZ/FRyy7f4rK3fD5oA== Message-ID: <7A144FF78830994FAB72065E652E9C7F5F6BBDA4A7@EXCH-CLUSTER-11.force10networks.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: multipart/alternative; boundary="_000_7A144FF78830994FAB72065E652E9C7F5F6BBDA4A7EXCHCLUSTER11_" MIME-Version: 1.0 Subject: [trill] New draft for AF Load Share using Fair Share Scheduling X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 31 Aug 2012 10:01:24 -0000 --_000_7A144FF78830994FAB72065E652E9C7F5F6BBDA4A7EXCHCLUSTER11_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi fellow trillians, We have proposed a new draft 'Fair Share AF Load Share', elaborating on an = AF Load Share mechanism. http://datatracker.ietf.org/doc/draft-kvk-trill-fair-share-af-load-share Abstract: In an access LAN of a TRILL campus, the DRB can choose to load share the AF responsibility among other RBridges in the LAN. This document throws light on one such approach where the AF appointment is fair share scheduled among the RBridges. We would love to hear your reviews and comments. Cheers, Krupa (kvk) --_000_7A144FF78830994FAB72065E652E9C7F5F6BBDA4A7EXCHCLUSTER11_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi fellow trilli= ans,

 

We have proposed a new draft ‘Fair Share AF Load Share’,= elaborating on an AF Load Share mechanism.

 

http://datatracker.= ietf.org/doc/draft-kvk-trill-fair-share-af-load-share

 

Abstract:

   In an access LAN of a TRIL= L campus, the DRB can choose to load share

   the AF responsibility among other RBridges in the LAN. T= his document

   throws ligh= t on one such approach where the AF appointment is fair

   share scheduled among the RBridges.

 

=  

We would love to hear your reviews and= comments.

 

Cheers,

Krupa (kvk)

 

= --_000_7A144FF78830994FAB72065E652E9C7F5F6BBDA4A7EXCHCLUSTER11_-- From ssalam@cisco.com Fri Aug 31 13:11:13 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 22DE121F8555 for ; Fri, 31 Aug 2012 13:11:13 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -10.599 X-Spam-Level: X-Spam-Status: No, score=-10.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, RCVD_IN_DNSWL_HI=-8] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id fc5eU4v6bs0p for ; Fri, 31 Aug 2012 13:11:11 -0700 (PDT) Received: from rcdn-iport-1.cisco.com (rcdn-iport-1.cisco.com [173.37.86.72]) by ietfa.amsl.com (Postfix) with ESMTP id 76CD721F8551 for ; Fri, 31 Aug 2012 13:11:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=ssalam@cisco.com; l=1244; q=dns/txt; s=iport; t=1346443871; x=1347653471; h=from:to:cc:subject:date:message-id:in-reply-to: content-id:content-transfer-encoding:mime-version; bh=UOhTGlsyQzNK7XQBinYrcjNFXu2cv6KICHAAYYxxj2s=; b=PDiGBzBH6oeZOwgphBMnWLaLRlij/5lYIME7KaPiGZogNZETCQ6w6D3d B+0d9ztFS/IwLH/M3fpps97/NgQ8S08pQPhuk+xJTx4hUKXf5cnqcOXj3 RxzBYaNOd1WPXH/btcwZ/RqhyxSQJWnooW1nmIrRVJ7wevaipbPpB9LgD c=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Av4EAHcZQVCtJXHA/2dsb2JhbABFgm24MYEHgicSASc/EgE+QiUCBA4FCRmHawEKmkOgE5IKA5VYgRSNH4FngmM X-IronPort-AV: E=Sophos;i="4.80,349,1344211200"; d="scan'208";a="117093154" Received: from rcdn-core2-5.cisco.com ([173.37.113.192]) by rcdn-iport-1.cisco.com with ESMTP; 31 Aug 2012 20:11:11 +0000 Received: from xhc-rcd-x12.cisco.com (xhc-rcd-x12.cisco.com [173.37.183.86]) by rcdn-core2-5.cisco.com (8.14.5/8.14.5) with ESMTP id q7VKBA1m011069 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Fri, 31 Aug 2012 20:11:11 GMT Received: from xmb-aln-x13.cisco.com ([fe80::5404:b599:9f57:834b]) by xhc-rcd-x12.cisco.com ([173.37.183.86]) with mapi id 14.02.0318.001; Fri, 31 Aug 2012 15:11:10 -0500 From: "Samer Salam (ssalam)" To: "trill@ietf.org" Thread-Topic: Rev2 of TRILL OAM Framework Document posted Thread-Index: AQHNh7TDMLTLuUp8BEWf6AZOFeWklQ== Date: Fri, 31 Aug 2012 20:11:10 +0000 Message-ID: In-Reply-To: <20120831200735.23571.2757.idtracker@ietfa.amsl.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/14.2.3.120616 x-originating-ip: [161.44.210.181] x-tm-as-product-ver: SMEX-10.2.0.1135-7.000.1014-19154.001 x-tm-as-result: No--31.024800-8.000000-31 x-tm-as-user-approved-sender: No x-tm-as-user-blocked-sender: No Content-Type: text/plain; charset="us-ascii" Content-ID: <8C3F8510BBB5EE478B618A7D52EFE32A@cisco.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Cc: "Tissa Senevirathne \(tsenevir\)" , Donald Eastlake , Sam Aldrin Subject: [trill] Rev2 of TRILL OAM Framework Document posted X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 31 Aug 2012 20:11:13 -0000 Hi, We have posted an updated version of the TRILL OAM framework document today. Feedback/comments are appreciated. Regards, Samer On 12-08-31 1:07 PM, "internet-drafts@ietf.org" wrote: > >A new version of I-D, draft-salam-trill-oam-framework-02.txt >has been successfully submitted by Samer Salam and posted to the >IETF repository. > >Filename: draft-salam-trill-oam-framework >Revision: 02 >Title: TRILL OAM Framework >Creation date: 2012-08-31 >WG ID: Individual Submission >Number of pages: 23 >URL: =20 >http://www.ietf.org/internet-drafts/draft-salam-trill-oam-framework-02.txt >Status: =20 >http://datatracker.ietf.org/doc/draft-salam-trill-oam-framework >Htmlized: =20 >http://tools.ietf.org/html/draft-salam-trill-oam-framework-02 >Diff: =20 >http://www.ietf.org/rfcdiff?url2=3Ddraft-salam-trill-oam-framework-02 > >Abstract: > This document specifies a reference framework for Operations, > Administration and Maintenance (OAM) in TRILL networks. The focus of > the document is on the fault and performance management aspects of > TRILL OAM. > > > =20 > =20 > > >The IETF Secretariat > From internet-drafts@ietf.org Fri Aug 31 14:01:25 2012 Return-Path: X-Original-To: trill@ietfa.amsl.com Delivered-To: trill@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 814D821F855E; Fri, 31 Aug 2012 14:01:25 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -102.539 X-Spam-Level: X-Spam-Status: No, score=-102.539 tagged_above=-999 required=5 tests=[AWL=0.060, BAYES_00=-2.599, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 4DRq-otQQght; Fri, 31 Aug 2012 14:01:24 -0700 (PDT) Received: from ietfa.amsl.com (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E1A0421F8523; Fri, 31 Aug 2012 14:01:24 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable From: internet-drafts@ietf.org To: i-d-announce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 4.34 Message-ID: <20120831210124.24967.952.idtracker@ietfa.amsl.com> Date: Fri, 31 Aug 2012 14:01:24 -0700 Cc: trill@ietf.org Subject: [trill] I-D Action: draft-ietf-trill-rbridge-mib-08.txt X-BeenThere: trill@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Developing a hybrid router/bridge." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 31 Aug 2012 21:01:25 -0000 A New Internet-Draft is available from the on-line Internet-Drafts director= ies. This draft is a work item of the Transparent Interconnection of Lots of Li= nks Working Group of the IETF. Title : Definitions of Managed Objects for RBridges (Routing Bri= dges) Author(s) : Anil Rijhsinghani Kate Zebrose Filename : draft-ietf-trill-rbridge-mib-08.txt Pages : 53 Date : 2012-08-31 Abstract: This memo defines a portion of the Management Information Base (MIB) for use with network management protocols. In particular it defines objects for managing an RBridge (Routing Bridge), also known as a TRILL Switch, based on the IETF TRILL (Transparent Interconnection of Lots of Links) protocol. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-trill-rbridge-mib There's also a htmlized version available at: http://tools.ietf.org/html/draft-ietf-trill-rbridge-mib-08 A diff from the previous version is available at: http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-trill-rbridge-mib-08 Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/