"VMware is the software industry's phenomenal success story of
the past year. (Salesforce.com hit its stride the year before) But
now along comes a new rival, Virtual Iron, that hopes to not only
ride on VMware's coattails, but to give it a smack on the head.
This will be one of the interesting battles to watch as utility
computing continues to heat up.
"In its essence, this is a battle of basic assumptions. Virtual
Iron is betting that Linux will be the big growth driver in data
center computing going forward and that many small servers will be
racked up in these places like so many books in a library..."