In an IPv6 future, how will you solve IPv4 connectivity?

[Ted Mittelstaedt]

On 10/10/2010 11:42 PM, marcelo bagnulo braun wrote:
> El 11/10/10 7:15, Ted Mittelstaedt escribió:
>>
>>
>> I really see very little point in fielding a proxy server that will
>> allow a IPv6-only customer to surf the IPv4 Internet - if they can
>> do IPv6 then they can dual-stack. I may do this though if we have
>> early adopters that demand IPv6 only.
>>
> Right, the requests of some of these early adopters was what triggered
> the work on NAT64 on the IETF.
> The rationale, as i understood it, is that they don't want to have to
> pay the cost of managing both a v4 and a v6 network.
>

That is the same logic that Novell used to try to push that silly 
product of theirs that allowed you to run a "pure IPX" network.  It
didn't last, and neither will NAT64 if that is the rationale behind
selling it.

Ted


> Regards, marcelo
>
>
>> I also see little point in fielding a proxy that allows IPv4-only to
>> surf the IPv6 Internet. Fielding a proxy like this costs us money
>> and it's a given that the major content providers will be dual stacked
>> for many years yet.
>>
>> Ted
>>
>>
>> On 10/10/2010 7:05 AM, Roger Wiklund wrote:
>>> Let's say for arguments sake that the prophecy is true, and in late
>>> 2011/2012 a new user can only get an IPv6 address.
>>>
>>> Have you guys concidered/tested how you will solve these users
>>> connectivity to the IPv4 Internet?
>>>
>>> I guess NAT-PT is out of the picture,
>>> NAT64?
>>> DS-Lite?
>>>
>>> Also, as these new users are IPv6 only, how can IPv4 hosts communicate
>>> with them? 4to6 NAT?
>>>
>>> Thanks for your comments,
>>>
>>> /Roger
>>
>>
>