I have reviewed this document as part of the security directorate's ongoing effort to review all IETF documents being processed by the IESG. These comments were written primarily for the benefit of the security area directors. Document editors and WG chairs should treat these comments just like any other last call comments. I have reviewed the -14 version of this document and suggested some changes to the security considerations. This has been addressed and I am fine with the content of the text now. Two minor editorial nits in the new text: Replace "MIB" with "MIB module" in the following two text fragments: by this MIB may result -> by this MIB module may result MIB allows the discovery -> MIB module allows the discovery /js -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1, 28759 Bremen, Germany Fax: +49 421 200 3103 < http://www.jacobs-university.de/ >