I have reviewed this document as part of the Operational directorate's ongoing effort to review all IETF documents being processed by the IESG. These comments were written with the intent of improving the operational aspects of the IETF drafts. Comments that are not addressed in last call may be included in AD reviews during the IESG review. Document editors and WG chairs should treat these comments just like any other last call comments. In general, this document is clear to me. I did not see any special operational or network management related issue. The problems and requirements are well discussed in this informational document. There are some obvious nits. For example, the number of the items in section 4.1 and 4.2.