Name: draft-tian-frr-alt-shortest-path-01
Title: Fast Reroute using Alternative Shortest Paths
State: Active
Authors: Albert Tian
Group: Individual Submissions (none)
Date: 2004-07-21
Repair path mechanism is an important element in IP/LDP fast reroute. In
this document we propose a way to calculate local repair paths using
alternative shortest paths. The solution can provide complete coverage for
all destinations within an IGP area that can possibly be protected. In this
document we also suggested an "Explicit Path with Loose Segment" model that
can be used to characterize, classify, and analyse repair paths. We proved
some of the common properties of loose segments, and showed that the model
can be used to characterize all existing fast reroute solutions.
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