RFC 2547 – BGP/MPLS VPN Fundamentals
*** Obsoleted by: 4364 **** RFC 2547bis: BGP/MPLS VPN Fundamentals BGP/MPLS VPN Overview RFC 2547bis defines a mechanism that allows service providers to use their IP backbone to provide VPN services to their customers. RFC 2547bis VPNs are also known as BGP/MPLS VPNs because BGP is used to distribute VPN routing information across the provider's backbone and because MPLS is used to forward VPN traffic from one VPN site to another. The primary objectives of this approach are as follows. Make the service very simple for customers to use even if they lack experience in IP routing. Make the service very scalable and flexible to facilitate large-scale deployment. Allow the policies that are used to create a VPN to be implemented by the service provider alone, or by the…