Chapter 1. The Evolution of MPLS

What You Will Learn

After completing this chapter, you will be able to do the following:

  • Explain the driving factors behind MPLS

  • List the benefits of forwarding labeled packets instead of forwarding IP packets

  • Explain the applications of MPLS that have received widespread acceptance

Multiprotocol Label Switching (MPLS) has been around for several years. It is a popular networking technology that uses labels attached to packets to forward them through the network. This chapter explains why MPLS became so popular in such a short time.

This chapter starts with a definition of MPLS. It also provides a short overview of pre-MPLS network solutions. The benefits of MPLS are listed, and the end of the chapter explains ...

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