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IPv6 transition mechanism

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IPv6 translation mechanisms are used to allow IPv6-connected hosts to access IPv4-connected hosts. They were first defined in RFC 2765: stateless IP/ICMP translation, or SIIT.

NAT-PT

NAT-PT, or Network Address Translation/Protocol Translation, was defined in RFC 2766. It will attempt DNS AAAA-A record translation on its own, but this makes it very difficult to implement, and few implementations are available (as of 2007).

Implementations

TRT

TRT, or Transport Relay Translation, was defined in RFC 3142. This is the most common form of SIIT, but it relies on DNS forwarding for AAAA-A record translation.

Implementations

  • faithd: BSD-based TRT
  • totd: translator for BSD & Linux
  • pTRTd: [1]; attempt at TRT for Linux.

See also

External websites

References

  • ISBN 3-540-24524-3: IPv6 in Practice by Benedikt Stockebrand, 2006

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