Rajesh, >From 8986 (section 4.16.3 last paragraph): One of the applications of the USD flavor is the case of a Topology Independent Loop-Free Alternate (TI-LFA) in P routers with encapsulation. The USD flavor allows the last SR Segment Endpoint Node in the repair path list to decapsulate the IPv6 header added at the TI-LFA Point of Local Repair and forward the inner packet.
Hope it helps. Cheers, Pablo. From: Rajesh M <mraj...@juniper.net> Sent: jueves, 22 de julio de 2021 13:48 To: cf(mailer list) <c...@cisco.com>; Pablo Camarillo (pcamaril) <pcama...@cisco.com>; spring@ietf.org; Ketan Talaulikar (ketant) <ket...@cisco.com> Subject: https://datatracker.ietf.org/doc/html/rfc8986 (Segment Routing over IPv6 (SRv6) Network Programming) Hi All, What is the use case for End SID with USD ? Mainly USD Flavor. Apart from TILFA/MLA Decapsulation scenarios (When encapsulation is used at transit PLR). Thanks Rajesh Juniper Business Use Only
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