I-D ACTION:draft-van-beijnum-v6ops-mnat-pt-00.txt

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	Title		: Modified Network Address Translation - Protocol Translation
	Author(s)	: I. van Beijnum, B. Carpenter
	Filename	: draft-van-beijnum-v6ops-mnat-pt-00.txt
	Pages		: 21
	Date		: 2008-2-13

A smooth transition from IPv4 to IPv6 requires that either all hosts
   are upgraded to dual stack before the first hosts can become IPv6-
   only, or that there be some mechanism for IPv6-only hosts to talk to
   IPv4-only hosts.  Expecting the former within a reasonable timeframe
   isn't realistic, based on current adoption of dual stack combined
   with the latest projections for the IPv4 depletion that point to a
   date early in the next decade.  And the IETF has recently deprecated
the main mechanism that allows the latter: NAT-PT.

   This document proposes a modified form of NAT-PT that addresses the
   reasons why the mechanism was deprecated and currently understood
   requirements.  This should allow future deployment of the modified
   NAT-PT as an IPv4-to-IPv6 transition mechanism, giving operators the
   option of running their networks largely IPv6-only.

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