Carrier Supporting Carriers

In Chapter 7, "Inter-Provider VPNs," you saw that two MPLS VPN provider networks belonging to different BGP autonomous systems use MP-eBGP to transport routing information for VPN clients connected to them. In this chapter, the concept of MPLS VPN provider networks providing transport of routing information to their VPN customers, who are carriers themselves, is introduced. This chapter covers the following subjects:

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