Journal of Theoretical and Applied Information Technology
A traditional data center is used to host computer systems and associated components. Electricity usage has become an increasing fraction of the total cost of ownership for data centers. It is difficult to reduce the electrical consumption of tier level data centers through appropriate design of the network-critical physical infrastructure and through the design of the IT architecture. This paper explains how virtualization can be implemented in data centers to increase proficiency and productivity. The paper is a guideline for data center managers to properly design and implement virtualization at different levels in data centers. It helps to achieve sustainable energy efficient data centers to ensure that electrical consumption contributes exceedingly little to the overall emission of greenhouse gases and implementing sustainable businesses.