Multiple virtualization vendors in one IT shop? If so, the management challenge changes

A survey published at The Hot Aisle this week purports a shift in the virtualization market that we've heard about from Microsoft and Citrix more and more over the past few months: people are adopting more than one virtualization technology in their environments.VMware has had an impressive run as a near-monopoly in the server virtualization space for the past several years. And, the competitors