Information Technology
Virtualization: A Manager’s Guide
Virtualization is a way to abstract applications and their underlying components away from the hardware supporting them and present a logical or virtual view of these re- sources. This logical view may be strikingly different from the physical view. The goal of virtualization is usually one of the following: higher levels of performance, scalability, reliability/availability, agility, or to create a unified security and management domain. This virtual view is constructed using excess processing power, memory, storage, or network bandwidth. Virtualization can create the artificial view that many computers are a single computing resource or that a single machine is really many individual computers. It can make a single large storage resource appear to be many smaller ones or make many smaller storage devices appear to be a single device.
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