Aijun,

RFC8919 and RFC8920 are both existing RFCs, we are just adding some clarification text to them.

If you want to come up with some new architecture, feel free, but don't try to neglect the existing ones.

thanks,
Peter



On 09/08/2022 08:26, Aijun Wang wrote:
Hi, Acee, Peter:

If there is no significant updates for these two RFCs, I recommend we delay the 
obsolete of them, also the adoption call for these two bis drafts.
What we should do is to find other more scalable, extensible and systematic 
approaches for the application specified advertisements.

For example, for the multiple application scenarios, is it enough just define 
the application specified attributes?

From my understandings, different applications may build different LSDBs, run 
different SPF algorithm, update at different frequencies, forming different 
forwarding tables etc. It is necessary to divide/group all the above items 
based on application, not just the attributes.


Aijun Wang
China Telecom

On Aug 9, 2022, at 18:31, Acee Lindem (acee) <[email protected]> wrote:

Hi Aijun,

And the BIS changes are more clarifications than changes to the existing RFC 
8919 and RFC 8920 RFCs.

Thanks,
Acee

On 8/9/22, 5:57 AM, "Peter Psenak" <[email protected]> wrote:

    Aijun,

    On 09/08/2022 05:35, Aijun Wang wrote:
Hi,

I am wondering why we are so hurry to obsolete RFC8919, given that only the
minor parts are  updated (mainly the zero length SABM/UABM, and other
interoperability issues).
There may be other methods to advertise the application specific attributes.
 From my POV, the rules, implementation of ASLA are still complex, the
deployment of them are challenging.

Is there any real deployment for RFC8919 until now?

    sure there are deployments of it. Flex-algo is built around RFC8919, so
    any network where flex-algo is used with ISIS is using RFC8919.

    Peter


Best Regards

Aijun Wang
China Telecom

-----Original Message-----
From: [email protected] <[email protected]> On Behalf Of Christian
Hopps
Sent: Monday, August 8, 2022 6:17 PM
To: [email protected]
Cc: [email protected]; [email protected]; [email protected]
Subject: [Lsr] WG adoption call for draft-ginsberg-lsr-rfc8919bis-02


Hi Folks,

This begins a 2 week WG Adoption Call for the following draft:

   https://datatracker.ietf.org/doc/draft-ginsberg-lsr-rfc8919bis/

Please indicate your support or objections by August 22nd, 2022.

Authors, please respond to the list indicating whether you are aware of any
IPR that applies to these drafts.

Thanks,
Chris.

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