rfc9830v4.txt   rfc9830.txt 
Internet Engineering Task Force (IETF) S. Previdi Internet Engineering Task Force (IETF) S. Previdi
Request for Comments: 9830 Huawei Technologies Request for Comments: 9830 Huawei Technologies
Updates: 9012 C. Filsfils Updates: 9012 C. Filsfils
Category: Standards Track K. Talaulikar, Ed. Category: Standards Track K. Talaulikar, Ed.
ISSN: 2070-1721 Cisco Systems ISSN: 2070-1721 Cisco Systems
P. Mattes P. Mattes
Microsoft Microsoft
D. Jain D. Jain
Google Google
August 2025 September 2025
Advertising Segment Routing Policies in BGP Advertising Segment Routing Policies in BGP
Abstract Abstract
A Segment Routing (SR) Policy is an ordered list of segments (also A Segment Routing (SR) Policy is an ordered list of segments (also
referred to as "instructions") that define a source-routed policy. referred to as "instructions") that define a source-routed policy.
An SR Policy consists of one or more Candidate Paths (CPs), each An SR Policy consists of one or more Candidate Paths (CPs), each
comprising one or more segment lists. A headend can be provisioned comprising one or more segment lists. A headend can be provisioned
with these CPs using various mechanisms such as Command-Line with these CPs using various mechanisms such as Command-Line
skipping to change at line 1851 skipping to change at line 1851
<https://www.rfc-editor.org/info/rfc6952>. <https://www.rfc-editor.org/info/rfc6952>.
[RFC9552] Talaulikar, K., Ed., "Distribution of Link-State and [RFC9552] Talaulikar, K., Ed., "Distribution of Link-State and
Traffic Engineering Information Using BGP", RFC 9552, Traffic Engineering Information Using BGP", RFC 9552,
DOI 10.17487/RFC9552, December 2023, DOI 10.17487/RFC9552, December 2023,
<https://www.rfc-editor.org/info/rfc9552>. <https://www.rfc-editor.org/info/rfc9552>.
[RFC9831] Talaulikar, K., Ed., Filsfils, C., Previdi, S., Mattes, [RFC9831] Talaulikar, K., Ed., Filsfils, C., Previdi, S., Mattes,
P., and D. Jain, "Segment Type Extensions for BGP Segment P., and D. Jain, "Segment Type Extensions for BGP Segment
Routing (SR) Policy", RFC 9831, DOI 10.17487/RFC9831, Routing (SR) Policy", RFC 9831, DOI 10.17487/RFC9831,
August 2025, <https://www.rfc-editor.org/info/rfc9831>. September 2025, <https://www.rfc-editor.org/info/rfc9831>.
[SR-POLICY-YANG] [SR-POLICY-YANG]
Raza, K., Ed., Saleh, T., Shunwan, Z., Voyer, D., Durrani, Raza, K., Ed., Saleh, T., Shunwan, Z., Voyer, D., Durrani,
M., Matsushima, S., and V. Beeram, "YANG Data Model for M., Matsushima, S., and V. Beeram, "YANG Data Model for
Segment Routing Policy", Work in Progress, Internet-Draft, Segment Routing Policy", Work in Progress, Internet-Draft,
draft-ietf-spring-sr-policy-yang-04, 22 November 2024, draft-ietf-spring-sr-policy-yang-04, 22 November 2024,
<https://datatracker.ietf.org/doc/html/draft-ietf-spring- <https://datatracker.ietf.org/doc/html/draft-ietf-spring-
sr-policy-yang-04>. sr-policy-yang-04>.
Acknowledgments Acknowledgments
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