{
  "draft": "draft-ietf-idr-bgp-ls-segment-routing-ext-18",
  "doc_id": "RFC9085",
  "title": "Border Gateway Protocol - Link State (BGP-LS) Extensions for Segment Routing",
  "authors": [
    "S. Previdi",
    "K. Talaulikar, Ed.",
    "C. Filsfils",
    "H. Gredler",
    "M. Chen"
  ],
  "format": [
    "XML",
    "TEXT",
    "HTML",
    "PDF"
  ],
  "page_count": "27",
  "pub_status": "PROPOSED STANDARD",
  "status": "PROPOSED STANDARD",
  "source": "Inter-Domain Routing",
  "abstract": "Segment Routing (SR) allows for a flexible definition of end-to-end paths by encoding paths as sequences of topological subpaths, called \"segments\". These segments are advertised by routing protocols, e.g., by the link-state routing protocols (IS-IS, OSPFv2, and OSPFv3) within IGP topologies.\n\n This document defines extensions to the Border Gateway Protocol - Link State (BGP-LS) address family in order to carry SR information via BGP.",
  "pub_date": "August 2021",
  "keywords": [
    "BGP-LS",
    "Segment Routing",
    "SID",
    "MPLS",
    "Label advertisement",
    "IS-IS",
    "OSPF",
    "OSPFv3"
  ],
  "obsoletes": [],
  "obsoleted_by": [],
  "updates": [],
  "updated_by": [
    "RFC9356"
  ],
  "see_also": [],
  "doi": "10.17487/RFC9085",
  "errata_url": "https://www.rfc-editor.org/errata/rfc9085"
}