Hi!











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. 













Summary: Ready










This document extends GDOI (RFC 7407) by defining the GDOI payload and protocol support for IEC 62351 security services.










Major:










None.










Minor:










None.










Nits:










None.










Best,










— Carlos Pignataro.