6to4 and DNS

Document Type Expired Internet-Draft (ngtrans WG)
Author Keith Moore 
Last updated 2001-11-16
Stream IETF
Intended RFC status (None)
Expired & archived
pdf htmlized (tools) htmlized bibtex
Stream WG state WG Document
Document shepherd No shepherd assigned
IESG IESG state Expired
Consensus Boilerplate Unknown
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Responsible AD (None)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


6to4 [1] defines a mechanism for allowing sites to communicate using IPv6 over the public IPv4 Internet. It does so by assigning a block of IPv6 addresses corresponding to any 'public' (globally-scoped) IPv4 address, and a means of tunneling IPv6 traffic destined for such addresses over the IPv4 Internet. In this way, any site which is connected to the IPv4 Internet and which has at least one global IPv4 address assigned to it, can communicate with IPv6.


Keith Moore (moore@cs.utk.edu)

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