Stephen Sprunk <stephen at sprunk.org> writes: > FireWire is the only significant user of EUI-64 addresses to date; > if you're using a link layer with EUI-48 addresses Zigbee has been around a lot less time than FireWire, but is hardly insignificant (ask anyone who's working on smartgrid or green home stuff). I'm sure there are others that just aren't on any of our personal radars. -r