Re: [netconf] Adoption-suitability for draft-wang-netconf-adaptive-subscription

Hi, Andy

    I am interested in the mechinism, too. 
    The mechenism can be seen as a more intelligent negociation between the server and the client.

Best Regards
Zongpeng Du

duzongpeng@foxmail.com & duzongpeng@chinamobile.com

From: Andy Bierman
Date: 2020-08-11 03:39
To: Kent Watsen
CC: netconf@ietf.org
Subject: Re: [netconf] Adoption-suitability for draft-wang-netconf-adaptive-subscription
Hi,

I am trying to understand the problem statement in this draft.
It appears to propose a complex self-monitoring system so that YANG Push
subscriptions can change their parameters on the fly to adapt to
changing network conditions. E.g. lower the 'period' parameter when
conditions are right, to produce more push-update records than normal.

The problem is somewhat interesting.
The filtering mechanisms in YANG Push are really awful and there is a need
to improve both filter and trigger mechanisms.  I don't think this draft offers
a reasonable solution, but I encourage further experimentation.
Prove it works in real products then maybe it will be ready for standardization.

Andy

On Wed, Aug 5, 2020 at 3:18 PM Kent Watsen <kent+ietf@watsen.net> wrote:
NETCONF WG,

Per the previous email sent moments ago, the chairs would like to solicit input on the following draft:

   Title: Adaptive Subscription to YANG Notification
   Link: https://tools.ietf.org/html/draft-wang-netconf-adaptive-subscription
   Abstract:

      This document defines a YANG data model and associated mechanism
      enabling subscriber's adaptive subscriptions to a publisher's event
      streams at various different period intervals with which to report
      updates.  Applying these elements allows both subscriber and
      publisher to automatically adjust the volume of telemetry traffic
      sent from publisher to the receivers.

In particular, please discuss adoption-suitability as it regards to the following questions:

    1) is the problem important for the NETCONF WG to solve?
    2) is the draft a suitable basis for the work?

PS: this message is itself not an adoption poll, but rather an attempt to gauge interest/support for a potential future adoption poll.

NETCONF Chairs
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