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The virtualized systems are today a very popular topic and their using plays the great role in current datacenters. The Virtual Technology Efficiency TestingThe main aspect in using and deployment of the virtualization technology is its efficiency. The substance of this technology is as follows. The resources of one powerful physical machine can be shared between many simultaneously executed virtual computers. The efficiency of the virtualization technology is an important factor, which determines the possible count of the simultaneously executable machines.Another aspect, which also fundamentally affects the efficiency, is the type of used virtualization technique. The main virtualization types are the full virtualization, hardware assisted virtualization, paravirtualization, partial virtualization and emulation [3]. Today is predominantly used the full virtualization technology. The term "virtualization" will always mean the hardware assisted virtualization technology in the following text.

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