Chapter 1.  Introduction to MPLS

This chapter covers the following topics:

  • A New Forwarding Paradigm—This section discusses conventional technologies versus Multiprotocol Label Switching (MPLS) techniques that are being implemented in carrier and service provider networks. MPLS is the technology that is driving future IP networks, including the Internet. MPLS gives the Internet a new forwarding paradigm that affects its traffic engineering and the implementation of VPNs.

  • What Is MPLS?—This section discusses MPLS as an improved method for forwarding packets through a network using information contained in labels attached to IP packets. It also discusses the evolution and the various benefits of MPLS, such as Layer 3 VPNs, traffic engineering, ...

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