Updated YANG Module Revision Handling

Document Type Replaced Internet-Draft (individual)
Authors Benoît Claise  , Joe Clarke  , Reshad Rahman  , Robert Wilton  , Balázs Lengyel  , Jason Sterne  , Kevin D'Souza 
Last updated 2019-10-15
Replaced by draft-ietf-netmod-yang-module-versioning
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document specifies a new YANG module update procedure that can document when non-backwards-compatible changes have occurred during the evolution of a YANG module. It extends the YANG import statement with an earliest revision filter to better represent inter-module dependencies. It provides help and guidelines for managing the lifecycle of YANG modules and individual schema nodes. This document updates RFC 7950, RFC 8407 and RFC 8525.


Benoît Claise (bclaise@cisco.com)
Joe Clarke (jclarke@cisco.com)
Reshad Rahman (rrahman@cisco.com)
Robert Wilton (rwilton@cisco.com)
Balázs Lengyel (balazs.lengyel@ericsson.com)
Jason Sterne (jason.sterne@nokia.com)
Kevin D'Souza (kd6913@att.com)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)