I am the assigned Gen-ART reviewer for this draft. The General Area Review Team (Gen-ART) reviews all IETF documents being processed by the IESG for the IETF Chair. Please treat these comments just like any other last call comments. For more information, please see the FAQ at < http://wiki.tools.ietf.org/area/gen/trac/wiki/GenArtfaq>. Document: draft-ietf-mpls-lsp-ping-relay-reply-10 Relayed Echo Reply mechanism for LSP Ping Reviewer: Joel M. Halpern Review Date: 17-September-2015 IETF LC End Date: 25-Sept-2015 IESG Telechat date: N/A Summary: This document is ready for publication as a Proposed Standard Major issues: none Minor issues: In this document, the address stack grows downward. While reasonable, I think that in the absence of warning of this, readers are likely to be confused when they read the detailed procedures. I think the document would be helped by adding the sentence: "This stack grows downward, with addresses further along the LSP appearing lower down in the stack." This could appear right after: "- Stack of Relayed Addresses: a list of relay node addresses." in section 3.2. Nits/editorial comments: