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MPLS Fundamentals by Luc De Ghein - CCIE No. 1897

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Chapter 8. MPLS Traffic Engineering

What You Will Learn

By the end of this chapter, you should know and be able to explain the following:

  • What the advantages of MPLS TE are

  • How OSPF and IS-IS have been extended for MPLS TE

  • How TE LSPs and their costs are calculated

  • How traffic is mapped to MPLS TE tunnels

  • How Fast ReRoute for link and node protection works

  • How RSVP was extended for MPLS TE

After you have digested these topics, you’ll have a thorough understanding of MPLS traffic engineering.

Traffic engineering (TE), or the ability to steer traffic through a network, has been around for a while, but it was mainly present in ATM or Frame Relay networks. The role of TE is to get the traffic from edge to edge in the network in the most optimal way. ...

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