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It is clear that there is not enough time to upgrade existing Internet hosts to dual stack before the IPv4 address pool depletes. This implies that the IPv6 transition and co-existence must support interaction between IPv4 nodes and IPv6 nodes. In this article we describe NAT64 and DNS64, a tool suite that provides a way forward in the IPv4-to-IPv6 transition by allowing communication among unmodified IPv6 and IPv4 nodes.