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MPLS and VPN Architectures by Ivan CCIE #1354 Pepelnjak, Jim CCIE #2069 Guichard

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Chapter 15. IP Tunneling to MPLS/VPN Migration Case Study

In Chapter 6, "MPLS Migration and Configuration Example," we examined a sample migration of the TransitNet service provider network to a backbone based on the MPLS architecture. The primary reason for this migration was to remove the necessity to hold external routing information within the core. However, a further reason for the migration was to allow the service provider to offer advanced and more scalable services, such as virtual private networks, to its customers, using the MPLS technology.

During this chapter, we will see the evolution of the migrated TransitNet MPLS network to support Virtual Private Networks (VPNs) using the MPLS architecture. The case study that follows provides ...

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