A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Segment Routing Centralized Egress Peer Engineering
Authors : Clarence Filsfils
Stefano Previdi
Keyur Patel
Ebben Aries
Steve Shaw
Daniel Ginsburg
Dmitry Afanasiev
Filename : draft-filsfils-spring-segment-routing-central-epe-01.txt
Pages : 19
Date : 2014-05-26
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 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.
This document illustrates the application of Segment Routing to solve
the Egress Peer Engineering (EPE) requirement. The SR-based EPE
solution allows a centralized (SDN) controller to program any egress
peer policy at ingress border routers or at hosts within the domain.
This document is on the informational track.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-filsfils-spring-segment-routing-central-epe/
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-filsfils-spring-segment-routing-central-epe-01
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-filsfils-spring-segment-routing-central-epe-01
Please note that it may take a couple of minutes from the time of submission
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