Rapid advancement in computing technology has put forth Cloud computing as a paramount paradigm in distributed systems. It is very much essential and important too to fully understand the underlying technologies that makes clouds possible. One key technology that make makes the cloud popular is virtualization. Even though virtualization technology is not new, the concept of hypervisors with virtualization is getting popular and also well understood by many. There are a good number of hypervisors. This paper discusses the types of Virtualization Technologies, hypervisors and configuration of the VMs and analyse the performance of Virtual Machines using Kernel Based Virtual Machine-KVM, a Type2 hypervisor.
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