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Re: [Netconf] subscription-id management across applications

Andy Bierman <andy@yumaworks.com> Mon, 09 July 2018 16:34 UTC

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From: Andy Bierman <andy@yumaworks.com>
Date: Mon, 09 Jul 2018 09:34:17 -0700
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To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>, Andy Bierman <andy@yumaworks.com>, Netconf <netconf@ietf.org>
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Subject: Re: [Netconf] subscription-id management across applications
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On Mon, Jul 9, 2018 at 9:31 AM, Juergen Schoenwaelder <
j.schoenwaelder@jacobs-university.de> wrote:

> On Mon, Jul 09, 2018 at 09:12:57AM -0700, Andy Bierman wrote:
> > Hi,
> >
> > The configured subscriptions use a uint32 subscription-id.
> > There is text in 5.2 about splitting the range for dynamic and configured
> > subscriptions:
> >
> >    To support deployments including both configured and dynamic
> >    subscriptions, it is recommended to split subscription identifiers
> >    into static and dynamic halves.  That way it eliminates the
> >    possibility of collisions if the configured subscriptions attempt to
> >    set a subscription-id which might have already been dynamically
> >    allocated.  A best practice is to use lower half the "identifier"
> >    object's integer space when that "identifier" is assigned by an
> >    external entity (such as with a configured subscription).  This
> >    leaves the upper half of subscription identifiers available to be
> >    dynamically assigned by the publisher.
>
> Why would a server accept a dynamic subscription that clashes with
> a configured subscription?
>
>
I don't think it would.
The issue is how applications share the range allocated for configured
subscriptions.



> /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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