RFC 9085

Border Gateway Protocol - Link State (BGP-LS) Extensions for Segment Routing, August 2021

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Also available: XML file for editing
Updated by:
RFC 9356
S. Previdi
K. Talaulikar, Ed.
C. Filsfils
H. Gredler
M. Chen
idr (rtg)

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DOI:  https://doi.org/10.17487/RFC9085

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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.

This document defines extensions to the Border Gateway Protocol - Link State (BGP-LS) address family in order to carry SR information via BGP.

For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 8729.

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