New MPLS VPN Developments

Many service providers worldwide have enthusiastically embraced the MPLS and MPLS VPN technologies as they enable the service providers to deploy the two most common applications—Internet access and VPN services—on a common network infrastructure. The diversity of their infrastructures, access layer technologies, and IP routing setups, as well as the new services these service providers would like to deploy, have triggered the development of several new MPLS-related features, including these:

  • Tight integration of access technologies such as dial-up, digital subscriber line (DSL), and cable with MPLS VPN

  • New routing protocol options and support for additional VPN routing protocols

  • Transport of additional Layer 3 protocols ...

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