Title: Calculating Interior Gateway Protocol (IGP) Routes Over Traffic Engineering Tunnels
Author(s): N. Shen, H. Smit.
Status: INFORMATIONAL
Date: Oct 2004
Length: 18410
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.
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