Name: draft-ietf-rtgwg-ipfrr-spec-base-01
Title: Basic Specification for IP Fast-Reroute: Loop-free Alternates
State: Active
Authors: Alia Atlas
Group: Routing Area Working Group (rtgwg)
Date: 2004-10-04
This document defines an architecture and selection process for providing
local protection for IP unicast and/or LDP traffic in the event of a single
link or node failure until the router has converged. When computing the
primary next-hop for a prefix, a router S also determines an alternate
next-hop which can be used if the primary next-hop fails. The alternate
next-hop is said to be a loop-free alternate, which goes to a neighbor
whose shortest path to the prefix does not go back through the router S.
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