[121301] in North American Network Operators' Group
Re: Are IPv6-only Internet services viable today?
daemon@ATHENA.MIT.EDU (Jim Burwell)
Thu Jan 14 18:01:26 2010
Date: Thu, 14 Jan 2010 15:00:36 -0800
From: Jim Burwell <jimb@jsbc.cc>
To: nanog@nanog.org
In-Reply-To: <bcff0fba1001141110q142a4c3eje6c4b1d8fe02c6da@mail.gmail.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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On 1/14/2010 11:10, Cameron Byrne wrote:
> Folks,
>
> My question to the community is: assuming a network based IPv6 to IP4
> translator is in place (like NAT64 / DNS64), are IPv6-only Internet
> services viable as a product today? In particular, would it be
> appropriate for a 3G /smartphone or wireless broadband focused on at
> casual (web and email) Internet users? Keep in mind, these users have
> NAT44 today.
> =20
You may also want to read up on Dual Stack Lite (DS-Lite)
<http://tools.ietf.org/html/draft-ietf-softwire-dual-stack-lite-02>,
presuming you haven't. I know you mentioned you didn't like any
dual-stack solutions, but the thing about DS-Lite I like is that it has
no problem with RFC1918 overlap of different customers, since the CGN
uses a tunnel ID in the connection/NAT table in addition to the other
typical data. I just wonder how it will scale, since each device, or a
gateway the device goes though, will require a IPv4-in-IPv6 tunnel to
the CGN box(es). Also, it doesn't require a DNS-ALG like NAT64/DNS64.
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