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IETF RFC 9087
[ACTIVE]

Segment Routing Centralized BGP Egress Peer Engineering

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Publisher
IETF
Doc Type
Informational
Pages
17
Abstract
Segment Routing (SR) leverages source routing. A node steers a packet through a controlled set of instructions, called segments, by prepending the packet with an SR header. A segment can represent any instruction, topological or service based. SR allows for the enforcement of a flow through any topological path while maintaining per-flow state only at the ingress node of the SR domain. The Segment Routing architecture can be directly applied to the MPLS data plane with no change on the forwarding plane. It requires a minor extension to the existing link-state routing protocols. This document illustrates the application of Segment Routing to solve the BGP Egress Peer Engineering (BGP-EPE) requirement. The SR-based BGP-EPE solution allows a centralized (Software-Defined Networking, or SDN) controller to program any egress peer policy at ingress border routers or at hosts within the domain.
Publication Date
2021-08-01
Status Note
Informational
DOI
10.17487/RFC9087
Link
https://doi.org/10.17487/RFC9087
Author(s)
Clarence Filsfils
Stefano Previdi
Gaurav Dawra
Ebben Aries
Dmitry Afanasiev
Latest version of IETF RFC 9087

Document Versions — IETF RFC 9087

  • ▶ IETF RFC 9087 (2021-08-01)
    THIS DOC [ACTIVE] [LATEST VERSION]

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IETF RFC 9087, Segment Routing Centralized BGP Egress Peer Engineering. Available at https://doi.org/10.17487/RFC9087
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IETF RFC 9087, Segment Routing Centralized BGP Egress Peer Engineering. Available at https://doi.org/10.17487/RFC9087

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IETF RFC 9087, Segment Routing Centralized BGP Egress Peer Engineering. Available at https://doi.org/10.17487/RFC9087
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<span class="citation"><cite>IETF RFC 9087</cite>, Segment Routing Centralized BGP Egress Peer Engineering. Available at <a href="https://doi.org/10.17487/RFC9087" target="_blank" rel="noopener">https://doi.org/10.17487/RFC9087</a></span>

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IETF RFC 9087, Segment Routing Centralized BGP Egress Peer Engineering
doi: 10.17487/RFC9087
url: https://doi.org/10.17487/RFC9087
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<cite id="bib-rfc9087">IETF RFC 9087</cite>, Segment Routing Centralized BGP Egress Peer Engineering
<span class="doi">10.17487/RFC9087</span>
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