Virtualization is a framework or methodology of dividing the resources of a computer into multiple execution environments by applying one or more concepts or technologies such as hardware and software partitioning, time-sharing, partial or complete machine simulation, emulation, quality of service, and many others.
Conceptually, Virtualization is a process of presenting a logical grouping of computing resources so as to induce wide variety of tangible benefits to those who desire to consolidate their computing resources and at the same time saves money.
It has wide range of benefits. Virtual machines can be used to consolidate the workloads of several under-utilized servers to fewer machines, even a single machine. The real benefits of such a process are overall savings on hardware, environmental costs, management, and administration of the server infrastructure.
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