IMDEA Networks Institute Publications Repository

Segment Routing Use Cases

Filsfils, Clarence and Francois, Pierre and Previdi, Stefano and Decraene, Bruno and Litkowski, Stephane and Horneffer, Martin and Milojevic, Igor and Shakir, Rob and Ytti, Saku and Henderickx, Wim and Tanstura, Jeff and Kini, Sriganesh and Crabbe, Edward (2014) Segment Routing Use Cases. [Standardization Contributions]

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Segment Routing (SR) leverages the source routing and tunneling paradigms. 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 to enforce a flow through any topological path and service chain 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 dataplane with no change on the forwarding plane. It requires minor extension to the existing link-state routing protocols. Segment Routing can also be applied to IPv6 with a new type of routing extension header.

Item Type: Standardization Contributions
Depositing User: Pierre Francois
Date Deposited: 20 Mar 2015 10:55
Last Modified: 20 Mar 2015 11:01

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