Challenges to Energy Efficient Virtual Machine Allocation in Clouds: a Review
نویسندگان
چکیده
Virtual Machine (VM) Consolidation contributed a lot in energy efficient computing in the cloud data centers. Virtualization played a great role in virtual machine consolidation by facilitating the live VMs to be migrated resulting in packing the maximum number of VMs in minimum possible physical hosts .Energy efficient computing is not only good for reducing the overall operational cost of the data centers but also provides environmental benefits. Various algorithms have been proposed for VM consolidation which utilimately leads to energy efficient computing. But only high VM consolidation ratio is not a key to energy efficient data centers. A tradeoff between the consolidation ratio and the QoS (Quality of Service) is required preventing the SLA (Service Level Agreement) violation. In this paper we have presented various challenges to energy efficient VM allocation in clouds.
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