[netmod] YANG Versioning Weekly Call Minutes - 2022-10-18

"Sterne, Jason (Nokia - CA/Ottawa)" <jason.sterne@nokia.com> Tue, 18 October 2022 14:09 UTC

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From: "Sterne, Jason (Nokia - CA/Ottawa)" <jason.sterne@nokia.com>
To: "netmod@ietf.org" <netmod@ietf.org>
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Date: Tue, 18 Oct 2022 14:08:52 +0000
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Subject: [netmod] YANG Versioning Weekly Call Minutes - 2022-10-18
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YANG Versioning Weekly Call Minutes - 2022-10-18

2 major discussions:
(A) Should YANG Semver support branching at the minor ?
(B) Where should the per-node NBC/BC compatibility text live ?

(A) Should YANG Semver support branching at the minor ?
- decision was to align to what we believe is the more common & intuitive use of SemVer 2.0.0 (no branching on the minor)
- this tree would not be allowed:
3.5.0 - 3.6.0
  |
3.20.0
- TBD on updates in the YANG Semver draft to illustrate this, and updated guidance on how to select versions (e.g. use 3.5.1_compatible instead of 3.6.0 if you think the next main line module will be BC with 3.5.0)

(B) Where should the per-node NBC/BC compatibility text live ?
- The top level revision tag is the main thing we think will be adopted
- avoid tying the extra complexity (and uncertain use) of per-node tags into the base Module Versioning draft
- Action Jason - put the per-node tags into Schema Comparison for now (possibly consider them in a separate draft)
- TBD: does current Module Versioning text allow range shrink but no NBC tag against the revision ?

Jason (he/him)

----------------------------------------------
Versioning work on Github:
https://github.com/netmod-wg/yang-ver-dt

----------------------------------------------
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