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Re: [netconf] Adoption poll for draft-tgraf-netconf-yang-notifications-versioning

Andy Bierman <andy@yumaworks.com> Mon, 22 May 2023 18:54 UTC

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From: Andy Bierman <andy@yumaworks.com>
Date: Mon, 22 May 2023 11:53:44 -0700
Message-ID: <CABCOCHRLzaKWumUHKyotmNd+W6PmLYHdTB3GDMnDccb3OsixsQ@mail.gmail.com>
To: Jürgen Schönwälder <jschoenwaelder@constructor.university>, Camilo Cardona <juancamilo.cardona@imdea.org>, Mahesh Jethanandani <mjethanandani@gmail.com>, netconf <netconf@ietf.org>, netconf-chairs <netconf-chairs@ietf.org>
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Subject: Re: [netconf] Adoption poll for draft-tgraf-netconf-yang-notifications-versioning
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On Mon, May 22, 2023 at 11:25 AM Jürgen Schönwälder
<jschoenwaelder@constructor.university> wrote:

> On Mon, May 22, 2023 at 12:43:20PM -0500, Camilo Cardona wrote:
>
> > - I like the insights shared by Jürgen and Andy regarding how hacky
> >   versioning is for YANG 1.1. It makes sense, but I guess nobody
> >   wants to start a 1.2 project..
>
> If it is too hard to change the YANG version number, why should I
> believe it will be easy to change all the future module version
> numbers?
>
> If people are serious about versioning, the first thing they should
> do is proposing to bump the YANG version number when they make
> incompatible changes.
>
>
7.1.2 <https://www.rfc-editor.org/rfc/rfc7950#section-7.1.2>.  The
"yang-version" Statement

   The "yang-version" statement specifies which version of the YANG
   language was used in developing the module.  The statement's argument
   is a string.  It MUST contain the value "1.1" for YANG modules
   defined based on this specification.



IMO the last sentence above implies that modules that are yang-version 1.1
are
expected to conform to "this specification" (i.e., RFC 7950).


/js
>

Andy


>
> --
> Jürgen Schönwälder              Constructor University Bremen gGmbH
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