Date of Publication :29th March 2018

Abstract: Cloud datacenters contain the number of servers, that there are some servers put in idle, as workload is distributed to all the active servers on the network called server virtualization. In order to minimize the number of active servers, we use server consolidation technique. The four major steps in server consolidation technique are namely hosted overload detection, host underload detection, virtual machine selection & migration and virtual machine placement. Virtual machine placement is the process of mapping physical machine to virtual machine for maximizing the resource utilization, minimizing energy consumption and maximizing the cloud profit. In this paper, an effective virtual machine placement algorithms and widely used approaches, parameters and optimization techniques to reduce the total energy consumption in data centers are analyzed

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