A Comparison of Proposals to Replace NAT-PT

Document Type Expired Internet-Draft (individual)
Last updated 2008-09-29
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


As we approach IPv4 address depletion, the IETF must provide for IPv4 and IPv6 coexistence: a way for ISPs and enterprises to reduce public IPv4 address consumption and a way for hosts to migrate to IPv6 connectivity -- while providing reasonable access for those IPv6 hosts to access the IPv4 Internet. This draft compares eight proposals for IPv6 and IPv4 coexistence.


Dan Wing (dwing@cisco.com)
David Ward (wardd@cisco.com)
Alain Durand (alain_durand@cable.comcast.com)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)