MPLS technology is being widely adopted by service providers worldwide to implement VPNs to connect geographically separated customer sites. Chapters 1 and 2 introduce the basic concepts of MPLS and its operation, as well as configuring MPLS for data forwarding. This chapter builds on that foundation and shows how to use MPLS to provide VPN services to customers. This chapter also presents the terminology and operation of various devices in an MPLS network used to provide VPN services to customers.
The following topics will be covered in this chapter: