Considering the cost of local management of the computing infrastructures, numerous companies decided to delegate theirs to providers. These latter are known as an Infrastructure as a Service (IaaS) and provide resources to companies in the form of virtual machine (VM). This decision to outsource contributes to lower the cost of IT infrastructure of the customer companies. However, it raises for the provider, the problems of the respect of the Service Layer agreement (SLA) of the customer and of the optimization of the energy consumption of his infrastructure. With regard to the importance of these two challenges, many research works have focused on this problem. The proposed energy management solutions consist in varying the execution spee...