Loop-Free Alternate (LFA) Applicability in Service Provider (SP) Networks | Zendy

Mike Shand | Zendy; Bruno Decraene | Zendy; Jim Uttaro | Zendy; Nicolai Leymann | Zendy; Martin Horneffer | Zendy

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Loop-Free Alternate (LFA) Applicability in Service Provider (SP) Networks

Author(s) -

Mike Shand,

Bruno Decraene,

Jim Uttaro,

Nicolai Leymann,

Martin Horneffer

Publication year - 2012

Publication title -

rfc

Language(s) - English

Resource type - Reports

DOI - 10.17487/rfc6571

Subject(s) - network topology , computer science , computer network , node (physics) , service provider , service (business) , core network , the internet , internet service provider , loop (graph theory) , core (optical fiber) , emphasis (telecommunications) , distributed computing , telecommunications , world wide web , engineering , business , mathematics , marketing , combinatorics , structural engineering

In this document, we analyze the applicability of the Loop-FreeAlternate (LFA) method of providing IP fast reroute in both the coreand access parts of Service Provider networks. We consider both thelink and node failure cases, and provide guidance on the applicabilityof LFAs to different network topologies, with special emphasis on theaccess parts of the network. This document is not an InternetStandards Track specification; it is published for informationalpurposes.

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