What is RFC 4659 BGP-MPLS?

RFC 4659 BGP-MPLS IP VPN Extension for IPv6 VPN September 2006 Also, if two VPNs were to use the same IPv6 address prefix (effectively denoting different physical systems), the PEs would translate these into unique VPN-IPv6 address prefixes using different RDs.

What is IPv6-only MPLS 7439?

RFC 7439 IPv6-Only MPLS January 2015 many of the endpoints in this network to be managed solely via IPv6. Even if these devices are carrying some IPv4 user data, it is often encapsulated in another protocol such that the communication between the endpoint and its upstream devices can be IPv6-only without impacting support for IPv4 on user data.

Can a VRF have multiple vpn-ipv6 routes for a single IP address?

A VRF may have multiple equal-cost VPN-IPv6 routes for a single IPv6 address prefix. When a packet’s destination address is matched in a VRF against a VPN-IPv6 route, only the IPv6 part is actually matched.