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Review of Live Virtual Machine Migration Techniques in Cloud Computing

Cloud computing works on pay as peruse resource sharing methodology and also does management of services from higher level like applications, networks to the lower level like servers, storage. A virtual machine (VM) is the emulation of a Physical Machine. In cloud data center, VM Migration holds vital importance as there are dozens of guest machines known as VM that are running on several physical machines. The key concept of VM Migration is when a physical machine gets overburdened or its performance gets degraded due to large traffic, load balancing is done by migration of the VM to another under loaded Physical Machine. This survey paper summarizes live migration along with its techniques and issues related to the pre and post copy methods. The existing methods for live migration are discussed and compared.