RFC 3906 on Calculating Interior Gateway Protocol (IGP) Routes Over Traffic Engineering Tunnels

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        RFC 3906

        Title:      Calculating Interior Gateway Protocol (IGP) Routes
                    Over Traffic Engineering Tunnels
        Author(s):  N. Shen, H. Smit
        Status:     Informational
        Date:       October 2004
        Mailbox:    naiming@redback.com, hhwsmit@xs4all.nl
        Pages:      8
        Characters: 18410
        Updates/Obsoletes/SeeAlso:    None

        I-D Tag:    draft-ietf-rtgwg-igp-shortcut-01.txt

        URL:        ftp://ftp.rfc-editor.org/in-notes/rfc3906.txt


This document describes how conventional hop-by-hop link-state routing
protocols interact with new Traffic Engineering capabilities to create
Interior Gateway Protocol (IGP) shortcuts.  In particular, this
document describes how Dijkstra's Shortest Path First (SPF) algorithm
can be adapted so that link-state IGPs will calculate IP routes to
forward traffic over tunnels that are set up by Traffic Engineering.

This document is a product of the Routing Area Working Group of the
IETF. 

This memo provides information for the Internet community.  It does
not specify an Internet standard of any kind.  Distribution of this
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Joyce K. Reynolds and Sandy Ginoza
USC/Information Sciences Institute

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