[netmod] yang-module-versioning: revision-label scheme

"Reshad Rahman (rrahman)" <rrahman@cisco.com> Mon, 27 April 2020 15:42 UTC

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From: "Reshad Rahman (rrahman)" <rrahman@cisco.com>
To: "netmod@ietf.org" <netmod@ietf.org>
Thread-Topic: yang-module-versioning: revision-label scheme
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Date: Mon, 27 Apr 2020 15:42:04 +0000
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Subject: [netmod] yang-module-versioning: revision-label scheme
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Hi,

There was a discussion<https://mailarchive.ietf.org/arch/browse/netmod/?q=%22Interpreting%20revision%20labels%20as%20YANG%20semantic%20version%20numbers%22> on the need to have an extension which specifies which versioning scheme a module is using.

The authors have identified 2 options:

  1.  One extension statement with a parameter which specifies the scheme being used. E.g. revision-label-schema(ietf-yang-semver), revision-label-schema(sdoX-yang). We’d need the parameter to be registered with IANA.
  2.  One extension statement per revision-scheme. E.g. revision-label-scheme-ietf-yang-semver, revision-label-scheme-sdoX-yang.

The authors have  a preference for option 1, we believe it makes things simpler. We would like to hear from the WG if there’s any concerns, suggestions etc.

Regards,
Reshad.