Hi Aijun,

The WG understood that you're objecting to
draft-ietf-lsr-igp-ureach-prefix-announce and appealing it. The chairs have
also previously requested that you refrain from any more repeating of the
same points you have raised multiple times already on this draft.

Sending many emails repeatedly stating the same points is considered
disruptive to the WG process. Any more email received which repeats the
same points you have already brought up before, even as only a part of the
email, will leave the chairs no choice but to temporarily remove LSR
mailing list posting privileges per RFC 3934.
Thanks,
Acee, Chris and Yingzhen
(LSR Co-chairs)

On Thu, May 22, 2025 at 6:34 PM Aijun Wang <[email protected]>
wrote:

> Hi, All:
>
>
>
> I must point out that the updated draft doesn't address previous issues
> that described in [1].
>
> Especially, the activation of flawed LSInfinity feature(there is detail
> analysis for this flawed feature that is defined in OSPF 2328).
>
>
>
> And, some updated contents will deteriorate the traffic pattern within the
> network.
>
> For example, It says: “ABR or ASBR MUST withdraw the previously advertised
> UPA when the reason for which the UPA was generated was lost”.
>
> The above requirement will advertise the specific prefixes within the
> network, which will weaken the original summary effect, and attract the
> traffic via one or some of ABRs.
>
>
>
> [1]: Reasons of abandoning UPA:
> https://datatracker.ietf.org/doc/draft-wang-lsr-reasons-of-abandon-upa-proposal/
>
>
>
>
>
> Best Regards
>
>
>
> Aijun Wang
>
> China Telecom
>
>
>
>
>
>
>
>
>
>
>
> -----邮件原件-----
> 发件人: [email protected] [mailto:[email protected]] 代表
> [email protected]
> 发送时间: 2025年5月22日 21:20
> 收件人: [email protected]
> 抄送: [email protected]
> 主题: [Lsr] I-D Action: draft-ietf-lsr-igp-ureach-prefix-announce-06.txt
>
>
>
> Internet-Draft draft-ietf-lsr-igp-ureach-prefix-announce-06.txt is now
> available. It is a work item of the Link State Routing (LSR) WG of the IETF.
>
>
>
>    Title:   IGP Unreachable Prefix Announcement
>
>    Authors: Peter Psenak
>
>             Clarence Filsfils
>
>             Daniel Voyer
>
>             Shraddha Hegde
>
>             Gyan Mishra
>
>    Name:    draft-ietf-lsr-igp-ureach-prefix-announce-06.txt
>
>    Pages:   14
>
>    Dates:   2025-05-22
>
>
>
> Abstract:
>
>
>
>    In the presence of summarization, there is a need to signal loss of
>
>    reachability to an individual prefix covered by the summary.  This
>
>    enables fast convergence by steering traffic away from the node which
>
>    owns the prefix and is no longer reachable.
>
>
>
>    This document describes how to use the existing protocol mechanisms
>
>    in IS-IS and OSPF, together with the two new flags, to advertise such
>
>    prefix reachability loss.
>
>
>
> The IETF datatracker status page for this Internet-Draft is:
>
> https://datatracker.ietf.org/doc/draft-ietf-lsr-igp-ureach-prefix-announce/
>
>
>
> There is also an HTMLized version available at:
>
>
> https://datatracker.ietf.org/doc/html/draft-ietf-lsr-igp-ureach-prefix-announce-06
>
>
>
> A diff from the previous version is available at:
>
>
> https://author-tools.ietf.org/iddiff?url2=draft-ietf-lsr-igp-ureach-prefix-announce-06
>
>
>
> Internet-Drafts are also available by rsync at:
>
> rsync.ietf.org::internet-drafts
>
>
>
>
>
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>
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