Hello all,
I just noted that he reference to a 4rd draft in the Softwire page
"datatracker.ietf.org/wg/softwire" is obsolete.
For IETF 80, the right reference is:
datatracker.ietf.org/doc/draft-despres-intarea-4rd/
(the ref to intarea is just historical)
Regards,
RD
<<<
Internet Engineering Task Force R. Despres, Ed.
Internet-Draft RD-IPtech
Intended status: Standards Track S. Matsushima
Expires: September 15, 2011 SoftBank
T. Murakami
IP Infusion
O. Troan
Cisco
March 14, 2011
IPv4 Residual Deployment across IPv6-Service networks (4rd)
ISP-NAT's made optional
draft-despres-intarea-4rd-01
Abstract
This document specifies an automatic tunneling mechanism for
providing IPv4 connectivity service to end users over a service
provider's IPv6 network. During the long transition period from IPv4
to IPv6-only, a service provider's network will have to support IPv6,
but will also have to maintain some IPv4 connectivity for a number of
customers, for both outgoing and incoming connections, and for both
exclusive and shared IPv4 addresses. The 4rd solution (IPv4 Residual
Deployment) is designed as a lightweight solution for this.
In some scenarios, 4rd can dispense ISPs from supporting any NAT in
their networks. In some others it can be used in parallel with NAT-
based solutions such as DS-lite and/or NAT64/DNS4.
>>>
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