Re: [netmod] [Netconf] Alternative YANG library structure for 7895bis

Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Fri, 08 December 2017 15:07 UTC

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Date: Fri, 8 Dec 2017 16:06:14 +0100
From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>
To: Martin Bjorklund <mbj@tail-f.com>
Cc: vladimir@transpacket.com, netmod@ietf.org
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Subject: Re: [netmod] [Netconf] Alternative YANG library structure for 7895bis
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On Fri, Dec 08, 2017 at 04:03:06PM +0100, Martin Bjorklund wrote:
> Vladimir Vassilev <vladimir@transpacket.com> wrote:
> > On 11/15/2017 06:29 PM, Robert Wilton wrote:
> > 
> > > I don't think that this is really a good idea.  You would end up
> > > returning server metadata in addition to the configuration.
> > Obviously RFC 7895 defines only config false; data and I was not
> > proposing a change to that. But I agree something has to be added to
> > complete the solution. Special purpose datastore identities can be
> > defined that return instance of yang-library data when read with
> > <get-data>. (Datastores with yang-library config false; only data not
> > represented in 'operational')
> > 
> > Adding this special yang-library-datastore to the proposed
> > ietf-datastores container e.g.
> > 
> > module: ietf-datastores
> > +--ro datastores
> > |  +--ro datastore* [name]
> > |     +--ro name          identityref
> > |     +--ro yang-library-datastore          identityref
> > 
> 
> I don't understand this proposal.  How would a client learn the
> library for <running>?  For <operational>?

My interpretation is that the client reads the datastores list from
<operational> and the list entries give you the identity of a separate
datastore that gives you the content of the yang library for that
datastore. (For each datastore, you have a separate datastore to
report its yang library.)

/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/>