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This should be merged with 6to4 unless there are two confusing, competing protocols. Or just plain redirect this page to 6to4 Truekonrads (talk)
There are two different protocols, with different addressing formats and purposes (this one is described by RFC 2529, 6to4 is described by RFC 3056) - although they do use the same IPv6 in IPv4 encapsulation format, so redirecting or merging is probably inappropriate. @alex (talk) 18:46, 9 February 2010 (UTC)