The added cost of virtual machines means that virtualization is not free, but the resulting process savings, space reduction, hardware consolidation, and energy efficiencies demonstrate that this technology can produce a manageable ROI. This white paper shows you how to gain the cost visibility you need to accurately charge business groups for the cost of their virtual machines. Learn how the fixed-plus-overage model allows you to calculate both the costs of the virtual machine and the amount of resource overage per department.