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2. Virtualization principles
2.1 Virtualization: definition
The growth of cloud computing is largely due to advances in virtualization technologies.
Virtualization involves introducing a layer of abstraction that emulates the behavior of hardware resources.
It authorizes :
concurrent execution of different services (e.g. operating systems) on the same hardware platform (e.g. physical machine);
running the same service on multiple hardware platforms
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Virtualization principles
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The Ultimate Scientific and Technical Reference