Abstract: The concept of virtualization is expanding into various aspects especially in the field of IT. The networking is relying on the road map of virtualization. The movement of virtualization is originating in servers. The most profound impact on data-centre networks is based on virtualization of the servers. Virtualized servers will support the full array of business applications, multimedia applications, storage, and back-office services. This paper will discuss the role of virtualized architecture explaining the relevant security interior concepts to moderate the risks.

Keywords: Virtualization, VM (virtual Machines), Approaches, Security, Operating System (OS).