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-tictoc-1588v2-yang-?? Reviewer: Linda Dunbar Review Date: 2018-09-04 IETF LC End Date: 2018-09-07 IESG Telechat date: Not scheduled for a telechat Summary: This document specify the YANG data model for IEEE1588-2008. The document is written very clear. I have some questions, such as What is the relationship between Current-DS and Default-DS? It seems to be that the "default-ds" has most of the information for the clock. Is Current-ds simply supplement? Major issues: Minor issues: Nits/editorial comments: