Re: [Netconf] activate-configured-subecription - WGLC subscribed-notifications-16

Martin Bjorklund <mbj@tail-f.com> Mon, 17 September 2018 17:25 UTC

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Date: Mon, 17 Sep 2018 19:25:53 +0200
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To: andy@yumaworks.com
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From: Martin Bjorklund <mbj@tail-f.com>
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Subject: Re: [Netconf] activate-configured-subecription - WGLC subscribed-notifications-16
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Andy Bierman <andy@yumaworks.com> wrote:
> On Fri, Sep 14, 2018 at 12:14 AM, Juergen Schoenwaelder <
> j.schoenwaelder@jacobs-university.de> wrote:
> 
> > On Fri, Sep 14, 2018 at 09:11:20AM +0200, Martin Bjorklund wrote:
> > > >
> > > > > However, I think that for all RPC-based transport-protocols
> > (currently
> > > > > NETCONF and RESTCONF) it makes sense to have a common way to get the
> > > > > notifications to be sent.
> > > >
> > > > Perhaps something will be needed for NETCONF.  But for configured
> > > > RESTCONF subscriptions, RESTCONF-Notif has been assuming that RESTCONF
> > > > not be used.  Instead raw HTTP2 with the Publisher being the HTTP
> > > > client and the receiver the HTTP server seems cleaner.
> > >
> > > This has been pointed out before - the restconf-notif draft should
> > > define *RESTCONF* mechanisms for subscribed notifications.
> > >
> > > If you want to define a new "notif-only" protocol that uses HTTP/2,
> > > that should be done in a separate document.
> > >
> >
> > +1
> >
> 
> 
> So how should this be fixed?
> It seems this draft could be renamed (e.g., s/RESTCONF/HTTP2/) since it
> does not use RESTCONF in any way.  I don't think RESTCONF notifications
> are used very much, but I don't see why the same SSE delivery of the
> <notification> element
> would not work (e.g., different resource to GET for establish-subscription
> parameters)

Actually, the most recent version is more RESTCONF specific, and it
does in fact use SSE for notification delivery.  But there are some
issues... I'll start a new thread for this.


/martin


> The WG seems to refactor drafts a lot, only to end up with even more
> unfinished work
> than before.  We should learn to drop work that is not backed with lots of
> active support
> and reviews.
> 
> 
> 
> > /js
> >
> 
> Andy
> 
> 
> >
> > --
> > 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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