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 . Document: draft-ietf-core-too-many-reqs-04 Reviewer: Dan Romascanu Review Date: 2018-10-08 IETF LC End Date: 2018-10-12 IESG Telechat date: 2018-10-25 Summary: This is a simple and straightforward document that defines a new CoAP response code that servers may sent (if resources allow at all) in overload situations. It's a clear and well-written document and seems to be a useful option to add to CoAP. The document seems Ready from a Gen-ART point of view. Major issues: Minor issues: Nits/editorial comments: