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Re: [yang-doctors] [Teas] Yangdoctors last call review of draft-ietf-teas-yang-te-topo-08

Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mon, 26 June 2017 16:30 UTC

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Date: Mon, 26 Jun 2017 18:30:10 +0200
From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>
To: Xufeng Liu <Xufeng_Liu@jabil.com>
Cc: Benoit Claise <bclaise@cisco.com>, Robert Wilton <rwilton@cisco.com>, Mahesh Jethanandani <mjethanandani@gmail.com>, "yang-doctors@ietf.org" <yang-doctors@ietf.org>, "ietf@ietf.org" <ietf@ietf.org>, "teas@ietf.org" <teas@ietf.org>, "draft-ietf-teas-yang-te-topo.all@ietf.org" <draft-ietf-teas-yang-te-topo.all@ietf.org>
Subject: Re: [yang-doctors] [Teas] Yangdoctors last call review of draft-ietf-teas-yang-te-topo-08
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Mail-Followup-To: Xufeng Liu <Xufeng_Liu@jabil.com>, Benoit Claise <bclaise@cisco.com>, Robert Wilton <rwilton@cisco.com>, Mahesh Jethanandani <mjethanandani@gmail.com>, "yang-doctors@ietf.org" <yang-doctors@ietf.org>, "ietf@ietf.org" <ietf@ietf.org>, "teas@ietf.org" <teas@ietf.org>, "draft-ietf-teas-yang-te-topo.all@ietf.org" <draft-ietf-teas-yang-te-topo.all@ietf.org>
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On Thu, Jun 22, 2017 at 01:43:55PM +0000, Xufeng Liu wrote:

> [Xufeng] The I2RS topology model is already NMDA style, but the NMDA
> models are not immediately implementable without NETCONF/RESTCONF
> protocol update. We will need the "-state" module for the I2RS
> topology model (and for all the top-level models) for now. While the
> NMDA is nice, the NMDA discussions have already significantly
> delayed publishing new models, and doing NMDA without staging will
> further delay the process.

Can the config and state trees reasonably be different, i.e., do you
need to be able to distinguish intended config from applied config? If
not, I think you can implement NMDA today without waiting for
NETCONF/RESTCONF protocol updates.

/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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