Hi, Authors, Thanks for addressing my comments on -013. It has been READY for the -015 version. 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. This standard track document presents a set of extensions to traditional TCP to support multipath operation. This document specifies v1 of Multipath TCP, obsoleting v0 as specified in RFC6824. This document is clear and well written. There are a small Nit. Reviewer: Sheng Jiang Review result: Ready Major issue: not found. Minor issue: not found. Regards, Sheng