Energy efficient VM migration revisited: SLA assurance and minimum service disruption with available hosts

We propose a VM migration approach named Energy Saving Virtual Machine Migration with Minimum Disruption (ESVM3D) that reduces SLA violations by running VMs in a data center with more available physical hosts as opposed to shutting down idle hosts to save energy. As compared to previously proposed power minimizing VM migration algorithms, simulation results show a 40% reduction in VM migrations and a 10% energy savings as a result of this approach. In summary, ESVM3D achieves a 70% reduction in the number of host shutdowns, resulting in a negligible SLA degradation (≤0.1%) as compared to the previously proposed approaches, translating to a similar SLA performance and without a degradation in energy consumption.