Revista de Tecnologia da Informação e Engenharia de Software
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Survey on Energy Efficiency in Cloud Computing

Backialakshmi M and Hemavathi N

The datacenters deals with huge volume of data. The datacenters that possess cloud servers are known as cloud datacenters. About 25% to 40% of the OPEX in datacenters is caused by power consumption and in it 50% of power is consumed by cooling towers. So the energy efficiency is major challenge of cloud datacenter. In current trends the users demand wide range of services within optimal resource usage and cost. So to maintain energy usage of the datacenters we use various types of algorithms both in terms of hardware and software.