[arin-ppml] v4 to v6 obstacles

[Owen DeLong]

If the top 50 web sites make it to IPv6 dual-stack, then, that's  
probably enough
for the rest of the web to decide they'll start playing catch-up,  
frankly.  I'm not
sure what the critical mass of web sites and other services on dual- 
stack is for
eye-ball ISPs to start issuing IPv6-only customers once IPv4 becomes  
difficult,
but, I'm betting that as IPv6 deployment grows and IPv4 depletion  
passes,
the difficulty of issuing IPv4 addresses will increase and the  
threshold of
acceptability of IPv6-only will continue to drop until some point  
where those
values meet.

Owen

On Oct 29, 2009, at 5:25 AM, Warren Johnson wrote:

> I think that 80% number is misleading.  You're talking 80% because  
> these
> guys have a lot of content, not because they have a lot of  
> websites.  The
> other 20% could be comprised of literally 10s or 100s of million  
> websites,
> all of which also need to be accessible to everyone for the  
> transition to be
> a success.  Just because I can get to the top 50 websites on the  
> internet
> doesn't mean that I don't need access to the other 500 million (or  
> whatever
> the number is).
>
>
>>>
>> Agreed. That is why I put a ? on the 80%. If some really big and
>> important players (applications) go dual stack, that covers a lot of
>> territory.
>
> You mean like:
>
> Google
> Yahoo
> MSN
>
> (All of whom have publicly announced dual stack plans)?
>
> Owen
>
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