> Yes! FDDI to FDDI firewalls work just fine, but as you progress to
> higher and higher speeds the hardware performance becomes more of an
> issue. At higher speeds one would worry about NIC to NIC transfers,
> speed of memory, CPU performance, and I/O bus width/speed.
> This should extend to ATM firewalls. As speeds increase, the game
Uh, ATM is a totally different game. Once you hit ATM, you are no longer
playing the game on a transit media, where everyone can see your packets.
ATM is built on point to point "circuits", which should cause a bit of
rethinking on the part of firewall designers.