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Re: [netmod] import-by-semver issue

Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Sun, 24 March 2019 16:14 UTC

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Date: Sun, 24 Mar 2019 17:14:51 +0100
From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>
To: "Rob Wilton (rwilton)" <rwilton@cisco.com>
CC: Andy Bierman <andy@yumaworks.com>, NetMod WG <netmod@ietf.org>
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Subject: Re: [netmod] import-by-semver issue
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On Sun, Mar 24, 2019 at 03:14:18PM +0000, Rob Wilton (rwilton) wrote:
> 
> But that is true of YANG compilers today.  If there are multiple revisions of a module that could be chosen, then each compiler is at liberty to decide which revision to choose (last paragraph of section 5.1.1 in RFC 7950).
>

The difference is that NBC changes are not allowed. As long as you
find a certain symbol, it has fixed and predictable semantics.

Sorry, but changing the way the import statement works is an NBC
change of YANG and this can't be done with extensions.

/js

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

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