{"draft":"draft-ietf-idr-bgp-ls-sr-policy-17","doc_id":"RFC9857","title":"Advertisement of Segment Routing Policies Using BGP - Link State","authors":["S. Previdi","K. Talaulikar, Ed.","J. Dong","H. Gredler","J. Tantsura"],"format":["HTML","TEXT","PDF","XML"],"page_count":"52","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"Inter-Domain Routing","abstract":"This document describes a mechanism used to collect Segment Routing\r\n(SR) Policy information that is locally available in a node and\r\nadvertise it into BGP - Link State (BGP-LS) updates. Such information\r\ncan be used by external components for path computation,\r\nreoptimization, service placement, network visualization, etc.","pub_date":"October 2025","keywords":["BGP","BGP-LS","Segment Routing","SR","SR Policy","SR-MPLS","SRv6","Traffic Engineering","BGP SR Policy"],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC9857","errata_url":null}