Re: [netmod] Design-Time schema mount

Balazs Lengyel Thu, 28 Jul 2016 09:01:45 -0700

Hello,

I agree that revising the RFC6020bis) now is not the way to go. But if we want schema-mount we need a solution. Both for the current provisional proposal and for design-time mount yang extensions are used. IMHO this is a viable solution and a much better one then putting all information about mounting into plain English or run-time data.

regards Balazs

On 2016-07-28 17:14, Andy Bierman wrote:

Hi,

+1 to concerns about stability.

Andy

On Thu, Jul 28, 2016 at 7:51 AM, Juergen Schoenwaelder <[email protected]> wrote:

On Thu, Jul 28, 2016 at 04:14:42PM +0200, Ladislav Lhotka wrote:
>
> We could define it using built-in statements, and bump YANG version number. I don't get why this is worse that introducing "standard extensions", except at Layer 8 (Political) - we can claim that YANG is stable even though it isn't.
>

- Running a document of the size and complexity of the YANG
specification through the IETF and publication process is expensive.

- It is not clear at this point in time that YANG mounts are required
to be supported everywhere.

- It is up to this WG to keep YANG 1.1 stable. Claiming YANG isn't
stable as a justification to make it not stable is a somewhat
circular logic.

I strongly believe that it is feature to work with extensions wherever
possible. Gain experience with language extensions first and if they
are widely deployed and used, consider to move them into the core at
some point in time. I believe it is desirable to keep the complexity
of the core YANG language somewhat under control.

You likely won't agree with any of this and this is fine. But I also
do not agree with your statement that working with extensions is just
a layer 8 (political) issue.

/js

--
Juergen Schoenwaelder Jacobs University Bremen gGmbH
Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany
Fax: +49 421 200 3103 <http://www.jacobs-university.de/>

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Balazs Lengyel                       Ericsson Hungary Ltd.
Senior Specialist
Mobile: +36-70-330-7909              email: [email protected]

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Re: [netmod] Design-Time schema mount

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