Virtualization slowly catching up

People are really confused about the concept of virtualization.It is nothing but a fundamental technological innovation that allows skilled IT managers to deploy creative solutions to such business challenges.The term virtualization broadly describes the separation of a resource or request for a service from the underlying physical delivery of that service.Wit virtual memory,computer software gains access to more memory than is physically installed,the underground swapping of data to disk storage.Similarly,virtualization techniques can be applied to other IT infrastructure layers.