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Re: [Netconf] comments on draft-ietf-netconf-subscribed-notifications-12

"Eric Voit (evoit)" <evoit@cisco.com> Fri, 15 June 2018 12:20 UTC

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From: "Eric Voit (evoit)" <evoit@cisco.com>
To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>, "alexander.clemm@huawei.com" <alexander.clemm@huawei.com>, "alex@clemm.org" <alex@clemm.org>, "netconf@ietf.org" <netconf@ietf.org>
Thread-Topic: [Netconf] comments on draft-ietf-netconf-subscribed-notifications-12
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Date: Fri, 15 Jun 2018 12:20:42 +0000
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References: <20180613160206.gkutjhxigdxpv2uz@anna.jacobs.jacobs-university.de> <20180614.102216.2199378020340361225.mbj@tail-f.com> <f6f66d0c0a444f2bb0fc770082450037@XCH-RTP-013.cisco.com> <20180614.203959.786029239464099510.mbj@tail-f.com> <20180615062751.obzdeco6oka3ekue@anna.jacobs.jacobs-university.de>
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Subject: Re: [Netconf] comments on draft-ietf-netconf-subscribed-notifications-12
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> From: Juergen Schoenwaelder, June 15, 2018 2:28 AM
> 
> On Thu, Jun 14, 2018 at 08:39:59PM +0200, Martin Bjorklund wrote:
> 
> > > An event record is not necessarily a YANG notification, as the event
> > > record's payload might not be driven by the result of a YANG
> > > statement.
> >
> > I don't get this.  Can you give an example of when an event record is
> > not defined as a YANG "notification"?
> 
> Why do we care about non-YANG-defined notification messages? How are
> systems expected to interoperate on such opaque data blobs?

Opaque data blobs is what RFC-5277 can carry.  The WG asked to update RFC-5277 using the improved control plane of YANG-Push.  This is what makes up the documents in LC.   

> Perhaps there is
> a need to reduce complexity in order to get something that is coherent and
> consistent and at the end interoperable. The very goal of IETF standards is to
> enable interoperable implementations; it is not a goal to define a framework
> that allows multiple non-interoperable implementations to declare compliance
> to a standard.

The drafts in LC adds RPC / signaling mechanisms.  The opaque data blobs are not in scope.

It would be helpful to get some comments on draft-ietf-netconf-notification-messages.  This draft address improvements to the opaque data blobs.

Eric

 
> /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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