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Re: Verizon DSL moving to CGN
From: "Rajiv Asati (rajiva)" <rajiva () cisco com>
Date: Mon, 8 Apr 2013 01:21:26 +0000

Dual-stack in the home networks will stay with us for a long time (beyond 2020!) until v4-only user devices and v4-only 
apps get refreshed.

Of course, this doesn't mean that the ISP access needs to stay dual-stack, thanks to MAP, 464XLAT etc.


Sent from my Phone

On Apr 7, 2013, at 3:15 AM, "Fabien Delmotte" <fdelmotte1 () mac com> wrote:

CGN is just a solution to save time, it is not a transition mechanism through IPv6
At the end (IPv6 at home) you will need at list :
Dual stack or NAT64/ DNS64

My 2 cents

On Apr 7, 2013, at 8:42 AM, Mikael Abrahamsson <swmike () swm pp se> wrote:

On Sun, 7 Apr 2013, Christopher Morrow wrote:

I wonder how much more painful just upgrading the dsl plant to support v6 would be vs deploying the cgn equipment 
and funneling users through that :(

IPv6 deployment is not a short term solution to IPv4 address depletion. Would you be less upset if there was IPv6 
access and CPE based DS Lite (ie your IPv4 is still CGN:ed, just in a different way)?

CGN is here to stay for IPv4. The solution for long term Internet growth is IPv6.

Mikael Abrahamsson    email: swmike () swm pp se

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