Chapter 5. MPLS and ATM Architecture

What You Will Learn

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

  • The difference between MPLS operating in Frame mode and Cell mode

  • How LDP advertises label bindings in an ATM network

  • How the Label Virtual Circuits are set up

  • How LDP behaves differently with ATM LSRs

  • How LDP can provide loop detection

  • What VC-Merge is, and what its benefit is for ATM LSRs

  • How to deal with ATM switches that are not aware of MPLS

  • What a label switch controller is

  • How to provide CoS with Label Virtual Circuits

The chapter ends with an important note on how to keep the number of Label Virtual Circuits to a minimum.

ATM is a connection-oriented protocol that the ITU-T developed. It is connection-oriented ...

Get MPLS Fundamentals now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.