Alexandre Benson Smith wrote:

> Ok, but Jim are talking about derivating a CPUId (wich will be a "small"
> number of bits) from the MAC (also called MAC-48 because use 48bits) or
> IP address (32 bits or 64 bits for IPv6).

IPv6 has 48 bits, not 64.

I can't see how IP address could be considered relevant. One computer can have
many IP addresses. Many computers can also have same IP address and
communicate with each other via two NAT routers for example.

--
Milan Babuskov
http://fbexport.sourceforge.net