Journal of Theoretical and Applied Information Technology
The cloud computing is a new computing standard which targets to offer reliable, adaptive and Quality-of-Service (QoS) based computing environments for IT users. One of the recent major concerns in cloud environment is efficient usage of energy in its data centers. This paper reviews energy saving strategies in data centers for cloud computing and also discusses various approaches proposed in the previous research papers in this field. The paper presents an intensive study of Sixty Eight (68) researches focusing on energy consumption by data center servers and networks and energy efficient approaches in cloud computing.