Re: [netmod] schema mount and YANG library

Ladislav Lhotka <lhotka@nic.cz> Mon, 22 January 2018 13:45 UTC

Return-Path: <lhotka@nic.cz>
X-Original-To: netmod@ietfa.amsl.com
Delivered-To: netmod@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id EEF35126BF6 for <netmod@ietfa.amsl.com>; Mon, 22 Jan 2018 05:45:41 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.9
X-Spam-Level:
X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9] autolearn=ham autolearn_force=no
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id TxA8ZkWfDg0E for <netmod@ietfa.amsl.com>; Mon, 22 Jan 2018 05:45:40 -0800 (PST)
Received: from trail.lhotka.name (trail.lhotka.name [77.48.224.143]) by ietfa.amsl.com (Postfix) with ESMTP id 2A1751252BA for <netmod@ietf.org>; Mon, 22 Jan 2018 05:45:39 -0800 (PST)
Received: by trail.lhotka.name (Postfix, from userid 109) id 9ABE81820413; Mon, 22 Jan 2018 14:45:26 +0100 (CET)
Received: from localhost (unknown [195.113.220.121]) by trail.lhotka.name (Postfix) with ESMTPSA id ED6DD182040D; Mon, 22 Jan 2018 14:45:24 +0100 (CET)
From: Ladislav Lhotka <lhotka@nic.cz>
To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>, Robert Wilton <rwilton@cisco.com>
Cc: netmod@ietf.org
In-Reply-To: <20180122111318.d7riglic333nj7ki@elstar.local>
References: <16104ca0948.27d3.9b4188e636579690ba6c69f2c8a0f1fd@labn.net> <20180117.171817.479473055872371790.mbj@tail-f.com> <1516206873.1388.68.camel@nic.cz> <20180117.174039.2105430212248651483.mbj@tail-f.com> <1827bdbb-a1ef-4302-bbb1-c0a3078de85a@cisco.com> <20180122111318.d7riglic333nj7ki@elstar.local>
Mail-Followup-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>, Robert Wilton <rwilton@cisco.com>, netmod@ietf.org
Date: Mon, 22 Jan 2018 14:45:36 +0100
Message-ID: <878tcqm2gv.fsf@nic.cz>
MIME-Version: 1.0
Content-Type: text/plain
Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/7tzk6S8E4-7qVE7DwA_rv0c6kz4>
Subject: Re: [netmod] schema mount and YANG library
X-BeenThere: netmod@ietf.org
X-Mailman-Version: 2.1.22
Precedence: list
List-Id: NETMOD WG list <netmod.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/>
List-Post: <mailto:netmod@ietf.org>
List-Help: <mailto:netmod-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 22 Jan 2018 13:45:42 -0000

Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> writes:

> On Fri, Jan 19, 2018 at 06:05:15PM +0000, Robert Wilton wrote:
>> 
>> Hence, for me, I see the choice as:
>> 1) do we publish the existing model now (perhaps also mark the draft as
>> experimental) followed by an updated draft with the NMDA compatible module?
>> 2) do we publish both models in a single draft (e.g. with the existing model
>> in an appendix)?
>> 3) do we only publish a single version of the draft with an NMDA compliant
>> solution.
>>
>
> I think the situation is as follows (likely obvious but it may help to
> make sure we are all on the same page):
>
> - the NI and LNE models have a normative reference to
>   I-D.ietf-netmod-schema-mount (and this makes sense since there are
>   MUST sentences in the I-D)
>
> - I-D.ietf-netmod-schema-mount (last updated in October) has normative
>   references to RFC 7895 (old YANG library)
>
> - RFC 7895 does not work with NMDA, NMDA work on a YANG library update
>   replacing RFC 7895
>
> So the YANG library update is gating the schema mount update which is
> gating the publication of the NI and LNE models.
>
> A proper solution would be to prioritize work on the YANG library
> update and the schema mount update. I assume that the next revision of
> the YANG library update (say end of January) is ready for WG last call
> and perhaps the schema mount authors can take an effort to get that
> document there as well, say beginning of February.

I completely agree.

Lada

>
> /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/>
>
> _______________________________________________
> netmod mailing list
> netmod@ietf.org
> https://www.ietf.org/mailman/listinfo/netmod

-- 
Ladislav Lhotka
Head, CZ.NIC Labs
PGP Key ID: 0xB8F92B08A9F76C67