Owen DeLong wrote: > It is because of IEEE EUI-64 standard.
Right, so far. > It was believed at the time of IPv6 development that EUI-48 would run out of > numbers and IEEE had proposed going to EUI-64. While IEEE still hasn't > quite made that change (though Firewire does appear to use EUI-64 already), > it will likely occur prior to the EOL for IPv6. Wrong. It is because I pointed out that IEEE1394 already use EUI-64. > Since bits are free when designing a new protocol, > there really was no reason to impose such limitations. Bits are not free. Remembering a 64 bit value human, a 128 bit value divine, which makes IPv6 network operation hard. Masataka Ohta