Speaking as co-chair of LSR: > On Nov 15, 2024, at 06:22, Adrian Farrel <[email protected]> wrote: > > Hi, > > Speaking as co-chair of CATS. > > The CATS working group is still not ready for any protocol solutions work, > although we are aware that a number of proposals have been made. > > At the moment we are still developing the architecture, requirements, and > metrics. These are fundamentals that we need to resolve before it is > appropriate to get behind any protocol solutions.
That’s fine with us since we have a backlog of drafts to consider in LSR. > > However, it is worth noting that CATS is an edge function. That is, it does > traffic steering not routing/forwarding within the network. One of the issues > to be resolved is how to get the right compute metric information to the > right places in the network without challenging other places to handle > unwanted information. Right - it seems we’ve been all through this in the initial CATS discussions. When we do get to solutions, attaching this compute capacity information to the base topology LSAs and LSPs is definitely the wrong direction. > > In this context, many might apply caution to the use of an IGP because of the > load it places on every node in the network even though most of those nodes > do not need to see the compute traffic. It might be worrying that this load > would compromise convergence for the "Normal business" of the IGP - namely to > forward packets. Exactly. Thanks, Acee > > It might be useful to look at the work done long ago in the L1VPN working > group to use a separate instance of the IGP (in that case, the work was only > done for OSPF) to distribute VPN membership information between remote peers > at the edge of the network. This approach protects transit routers from the > additional information and makes it just an edge function. See RFC 5252 and > RFC 5523. > > Cheers, > Adrian > > -----Original Message----- > From: Aijun Wang <[email protected]> > Sent: 15 November 2024 02:18 > To: [email protected] > Subject: [Lsr] 转发: New Version Notification for > draft-wang-lsr-network-computing-optimization-00.txt > > Hi, All: > > We have submitted one document that proposes the IGP based solution for > network-computing-combined optimization, which can apply to the scenarios > that discussed within CATS WG. > Feedbacks and comments are welcome. > > Aijun Wang > China Telecom > > -----邮件原件----- > 发件人: [email protected] [mailto:[email protected]] > 发送时间: 2024年11月15日 10:15 > 收件人: Gyan S. Mishra <[email protected]>; Aijun Wang > <[email protected]>; Changwang <[email protected]>; Changwang > Lin <[email protected]>; Gyan Mishra <[email protected]>; > Zhibo Hu <[email protected]> > 主题: New Version Notification for > draft-wang-lsr-network-computing-optimization-00.txt > > A new version of Internet-Draft > draft-wang-lsr-network-computing-optimization-00.txt has been successfully > submitted by Aijun Wang and posted to the IETF repository. > > Name: draft-wang-lsr-network-computing-optimization > Revision: 00 > Title: IGP based Network Computing Combined Optimization > Date: 2024-11-15 > Group: Individual Submission > Pages: 13 > URL: > https://www.ietf.org/archive/id/draft-wang-lsr-network-computing-optimization-00.txt > Status: > https://datatracker.ietf.org/doc/draft-wang-lsr-network-computing-optimization/ > HTMLized: > https://datatracker.ietf.org/doc/html/draft-wang-lsr-network-computing-optimization > > > Abstract: > > This document describes the scenario and procedures that can be used > to accomplish the IGP based network and computing combined > optimization within the IS-IS or OSPF domain. > > > > The IETF Secretariat > > > > _______________________________________________ > Lsr mailing list -- [email protected] > To unsubscribe send an email to [email protected] > > _______________________________________________ > Lsr mailing list -- [email protected] > To unsubscribe send an email to [email protected] _______________________________________________ Lsr mailing list -- [email protected] To unsubscribe send an email to [email protected]
