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. Document reviewed: draft-ietf-iasa2-trust-update-00 This document is well written. I do not find any major issue from the OPS point of view. I also read the related docuement draft-ietf-iasa2-trust-rationale-00. I do not have strong opinion but I am curious why seperating these two docuements. Issues: I think the seperation of draft-ietf-iasa2-trust-rationale-00 and draft-ietf-iasa2-trust-update-00 makes both incomplete. I suggest to incorporate draft-ietf-iasa2-trust-rationale-00 into draft-ietf-iasa2-trust-update-00 as one BCP for publication. I am fine if this is a decision from the community discussion. Nits: Section 2. s/miminize/minimize/ Regards, Tianran