Romanova

The problems of virtualization using are described, prerequisites for server virtualization are shown. The advantages of virtualization, including virtualization of high-performance computing systems are given. The new classification of virtualization technologies is suggested. The types of virtualization are described, a comparison of technologies is advantages and disadvantages of the species of virtualization are given. The necessities of virtualization in today’s computing systems and examples of virtualization of distributed computing systems are described. The performances of real and virtual systems on a different set of test problems and for various configurations of virtual computing environment are compared.