The problem for the major exchanges may soon be what to do when the
gigaswitch runs out of bandwidth.Curtis
There are rumors/rumblings afoot that we have a operational
600M/b thingie which now has PCI interfaces in addition
to the existing sbus, nubus and EISA bus cards. Now if we
can just get infrastructure vendors to provide something
that we can plug into, this would potentially make a
reasonable ExchangeNG (tm). Imagine a lan technology that
would keep up with multiple incoming OC3s! (where is that
gigabit lan technology when you need it... 
--bill