{"draft":"draft-ietf-spring-srv6-srh-compression-23","doc_id":"RFC9800","title":"Compressed SRv6 Segment List Encoding","authors":["W. Cheng, Ed.","C. Filsfils","Z. Li","B. Decraene","F. Clad, Ed."],"format":["HTML","TEXT","PDF","XML"],"page_count":"59","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"Source Packet Routing in Networking","abstract":"Segment Routing over IPv6 (SRv6) is the instantiation of Segment\r\nRouting (SR) on the IPv6 data plane. This document specifies new\r\nflavors for the SRv6 endpoint behaviors defined in RFC 8986, which\r\nenable the compression of an SRv6 segment list. Such compression\r\nsignificantly reduces the size of the SRv6 encapsulation needed to\r\nsteer packets over long segment lists.\r\n\r\nThis document updates RFC 8754 by allowing a Segment List entry in\r\nthe Segment Routing Header (SRH) to be either an IPv6 address, as\r\nspecified in RFC 8754, or a REPLACE-CSID container in packed format,\r\nas specified in this document.","pub_date":"June 2025","keywords":["Segment Routing","IPv6 Segment Routing","Compressed SID","CSID","NEXT-CSID","REPLACE-SID","SRH Compression"],"obsoletes":[],"obsoleted_by":[],"updates":["RFC8754"],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC9800","errata_url":null}