[Lsr] 答复: New Version Notification for draft-xu-lsr-flooding-reduction-in-clos-01.txt

2023-11-26 Thread xuxiaohu_i...@hotmail.com
Hi Tony, I agree that the mesh group feature described in RFC2973 is a relatively simple mechanism to reduce the flooding of LSPs. However, it’s still a little bit complex since 1) it relies on a correct static configuration on all links; 2) it also modifies the behavior in the transmission of

[Lsr] 答复: New Version Notification for draft-xu-lsr-flooding-reduction-in-clos-01.txt

2023-11-27 Thread xuxiaohu_i...@hotmail.com
Hi Les, I have to say that the second draft you mentioned is irrelevant since leaf nodes need to know the topology for performing congestion-aware path selection. In contrast, the goal of that draft is to make the topology invisible for leaf nodes. As for the first draft, as the draft itself h

[Lsr] 答复: New Version Notification for draft-xu-lsr-flooding-reduction-in-clos-01.txt

2023-11-27 Thread xuxiaohu_i...@hotmail.com
Hi Jeff, Meta's deployment in their ML clusters as you mentioned has indicated clearly that the centralized TE cannot respond fast enough to network failure, not to mention congestion changes. In fact, some vendors have used the BGP Link Bandwidth Extended Community to achieve capacity-aware

[Lsr] 答复: New Version Notification for draft-xu-lsr-flooding-reduction-in-clos-01.txt

2023-11-28 Thread xuxiaohu_i...@hotmail.com
Hi Jeff, Open/R (https://engineering.fb.com/2017/11/15/connectivity/open-r-open-routing-for-modern-networks/ ) is actually an in-house link-state routing protocol. The following text is quoted from the above article. "For many years, Facebook has been operating these large-scale fabrics solely