shared address space... a reality!

[gbonser at seven.com (George Bonser)]

> -----Original Message-----
> From: Owen DeLong [mailto:owen at delong.com]
> 
> In my perception, this is primarily a moving part that will be used by
> providers deploying IPv6 as a mechanism to compensate for things on the
> internet their customers want to reach that have not yet deployed IPv6.

I think it will be used mostly as the middle 4 in NAT444 and in links between networks where there are RFC1918 network assignment collisions.  My gut tells me we will see that net block being used for NAT on a lot of VPNs between RFC1918 networks.


> I don't think any sane provider will use this as yet another way to
> avoid deploying IPv4. 

I hope you're right.

> OTOH, the number of not sane providers is
> somewhat scary, but, hopefully not of sufficient critical mass as to be
> meaningful in the long term.