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Status:

INFORMATIONAL

Authors:

S. Bryant
S. Previdi
M. Shand

Stream:

IETF

Source:

rtgwg (rtg)

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DOI:  https://doi.org/10.17487/RFC6981

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Abstract

This document presents an illustrative framework for providing fastreroute in an IP or MPLS network through encapsulation and forwardingto "not-via" addresses. The general approach described here uses asingle level of encapsulation and could be used to protect unicast,multicast, and LDP traffic against link, router, and shared riskgroup failure, regardless of network topology and metrics.

The mechanisms presented in this document are purely illustrative ofthe general approach and do not constitute a protocol specification.The document represents a snapshot of the work of the Routing AreaWorking Group at the time of publication and is published as adocument of record. Further work is needed before implementation ordeployment.

For the definition ofStatus,seeRFC 2026.

For the definition ofStream, seeRFC 8729.