Software virtualization technology such as VMware Workstation and Server provide a virtualization solution on top of an existing operating system.  In many environments, combining software virtualization technology with hypervisor based virtualization products brings many benefits. 

In this section, we’ll try to answer some key questions, such as:

• Can you really use software virtualization in a production environment?
• Is Hyper-V a software virtualization technology?
• Is mixing and matching virtualization products a good idea?