Re: CIDR FAQ

[kwe () 6SigmaNets com (Kent W. England)]

At 5:04 AM 8/17/95, Yakov Rekhter wrote:
> In IPv6 there is a notion of "IPv4 compatible" addresses. These are
> IPv6 addresses (128 bits) that have IPv4 address as their low order 32
> bits and the rest (96 bits) are zero. ...
>
> What you said is correct only if hosts use IPv6 addresses that
> are not "IPv4 compatible". But transition with hosts that don't have
> IPv4 compatible addresses is quite messy.

Yakov;

If you have an IPv6 capable host, why use "IPv4 compatible" addresses?  Why
not use an algorithmic translation that includes a provider prefix?  It
would seem to me that any IPv6 host should have the capability to
algorithmically translate its IPv4 address, preferably dynamically.

--Kent