YANG Module Versioning Requirements

The information below is for an old version of the document
Document Type Expired Internet-Draft (netmod WG)
Author Joe Clarke 
Last updated 2020-12-31 (latest revision 2020-06-29)
Replaces draft-verdt-netmod-yang-versioning-reqs
Stream IETF
Intended RFC status (None)
Expired & archived
pdf htmlized (tools) htmlized bibtex
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Stream WG state WG Document
Document shepherd No shepherd assigned
IESG IESG state Expired
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document describes the problems that can arise because of the YANG language module update rules, that require all updates to YANG module preserve strict backwards compatibility. It also defines the requirements on any solution designed to solve the stated problems. This document does not consider possible solutions, nor endorse any particular solution.


Joe Clarke (jclarke@cisco.com)

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