I-D ACTION:draft-ietf-rtgwg-ipfrr-spec-base-07.txt

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This draft is a work item of the Routing Area Working Group Working Group of the IETF.

	Title		: Basic Specification for IP Fast-Reroute: Loop-free Alternates
	Author(s)	: A. Atlas, A. Zinin
	Filename	: draft-ietf-rtgwg-ipfrr-spec-base-07.txt
	Pages		: 29
	Date		: 2007-7-9
	
This document describes the use of loop-free alternates to provide
  local protection for unicast traffic in pure IP and MPLS/LDP networks
  in the event of a single failure, whether link, node or shared risk
  link group (SRLG).  The goal of this technology is to reduce the
  micro-looping and packet loss that happens while routers converge
  after a topology change due to a failure.  Rapid failure repair is
  achieved through use of precalculated backup next-hops that are loop-
  free and safe to use until the distributed network convergence
  process completes.

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