International Journal of Computer Applications
The virtualization gives the power of partitioning the physical host in to multiple virtual machines. The authors can manage the number of active host and their power consumption by migrating the virtual machines according to their resource requirement and current status on that particular host. Service level agreement is the main thing and essential one for giving the reliable quality of service between customers and the data centers. Live migration of the virtual machines managing the over load and under loaded host which gives the ability of dynamic resource allocation on another host.