Hi Andy,

Nothing in RFC7950 says duplicates are allowed. We don't plan to change that 
(or particularly say anything about it) in any of our YANG revision work.

But maybe in YANG NEXT, *if* a Semver-like revision label was adopted as the 
main identifier (and revision date just becomes a non-key attribute), i.e. yang 
library was changed to use revision label instead of revision date, then two 
versions could be allowed on the same date.  But that's for a YANG NEXT 
discussion.

Jason

From: Andy Bierman <[email protected]>
Sent: Tuesday, June 8, 2021 1:49 PM
To: Sterne, Jason (Nokia - CA/Ottawa) <[email protected]>
Cc: [email protected]
Subject: Re: [netmod] YANG Versioning Weekly Call Minutes - 2021-06-08



On Tue, Jun 8, 2021 at 10:39 AM Sterne, Jason (Nokia - CA/Ottawa) 
<[email protected]<mailto:[email protected]>> wrote:
YANG Versioning Weekly Call Minutes - 2021-06-08

Submodule vs Module in module versioning draft:
- avoid 'artifact', put "submodule or module" everywhere it is applicable
- Reshad: add "or submodules" in most places.

Non duplicate revision dates:
- revision-label is just another label for that revision date
- we won't say anything in our drafts about non-duplicate revision dates in a 
revision history. This is something for YANG NEXT.



Can you find any text in RFC 7950 that says that a module
with a specific name and revision date can refer to multiple YANG modules?
It seems like the opposite is true -- that if the name and revision date are the
same then they refer to the same specific module.


Andy


YANG SemVer Draft - IETF 110 feedback

Raise github issue in verdt *and* against pyang to flag when a module or 
submodule is missing a revision label

Raise github issue to review the IANA guidelines (in our 2 drafts) with IANA 
folks

We discussed pre-release version precedence
- can't assume precedence of pre-release versions
- wipe out the pre-release revision history when publishing the final version 
(SHOULD) ?  or when publishing each pre-release version? Put this guidance in 
Module Revision Handling (instead of Semver ?)
- Joe to propose wording

Rgds,
Jason

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