Role of Server Virtualization in Cloud Computing
Server virtualization technologies help organizations create administrative and resource boundaries between applications. The system administrator uses a software application to divide one physical server into multiple isolated virtual environments. The virtual environments are often called virtual private servers or virtual machines (VMs), but they are also known as guests, instances, containers, or emulations. Server virtualization masks, or virtualizes, from server users the physical server resources, including the number and identity of individual physical servers, processors, and, in some cases, operating systems. This approach provides improved resource utilization and application security ...

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