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draft-defeng-l3vpn-ipv4-ipv6-hybrid-01 Justification IPv6 can’t take the place of IPv4 in the global network in one night, it must co-exist with IPv4 in a long period, then backbone and sites of inter-provider L3VPN will often be IPv4/IPv6 hybrid. IPv4/IPv6 Hybrid VPN isn’t addressed elsewhere. Purpose Proposes some methods for IPv4/IPv6 hybrid VPN Open to accommodate other methods in the future version |