Hi Yisong , WG, I've reviewed your document. When deploying SRv6 in educational networks, we encounter these two issues, and solving them is practically significant. For Issue #1: When the controller plans a path, it usually includes the END SID of the tail node, which leads to the common occurrence of Issue #1. For Issue #2: During SRv6 interconnection between different campus sites using binding SID, both tail node SID and VPN SID are present. This indeed has a considerable impact on performance, as shown in practical tests. B.R. Yarong 发件人 : Yisong Liu < liuyis...@chinamobile.com > 发送时间 : 2024 年 9 月 11 日 16:31 收件人 : spring < spring@ietf.org > 抄送 : Susan < sha...@ndzh.com >; idr < i...@ietf.org >; linchangwang (RD) < linchangwang.04...@h3c.com >; chen.ran < chen....@zte.com.cn >; qiuyuanxiang (Comware, RD) < qiuyuanxi...@h3c.com > 主题 : Request SPRING WG review and comments for draft-liu-idr-sr-segment-list-optimize Dear SPRING WG members, When presenting the draft-liu-idr-sr-segment-list-optimize at the IDR interim meeting, based on the suggestions from the IDR and SPRING chairs, we will distribute the described issues in SPRING mailing list. We hope to seek WG member's opinions to determine whether the problem scenarios described in the draft are common and need to be addressed. Here is the brief description of the problems of this draft. In the tunnel splicing scenarios or cross domain path splicing scenarios, the SRH extension header of VPN user's data packets forwarded based on this SRv6 Policy will simultaneously encapsulate the End SID and VPN SID of the egress node.In this way, the following problems will arise: Problem 1: PSP behavior may not be executable. Problem 2: The forwarding efficiency of egress node decreases. For detailed information , please see the draft in the link below : [ https://datatracker.ietf.org/doc/draft-liu-idr-sr-segment-list-optimize/ | https://datatracker.ietf.org/doc/draft-liu-idr-sr-segment-list-optimize/ ] We request for review and comments in SPRING. Welcome any discussions, suggestions or comments. Best Regards Yisong on behalf of co-authors
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