With an enterprise market share of about 80%, VMware's (VMW) dominance of the virtualization...

|By:, SA News Editor

With an enterprise market share of about 80%, VMware's (VMW) dominance of the virtualization space might look unassailable. But the company may have given Microsoft (MSFT) and Citrix (CTXS) a chance to gain share thanks to a new DRAM-based pricing model for its vSphere platform, which could drastically raise licensing costs for many users.