Resource Management in Cloud Data Centers: A Survey

Cloud computing faces many challenges which constitute research problems. The key challenge is to achieve good resource management that will result in minimum energy consumption. This problem has been the subject of extensive research. In this paper, we report major solutions to the existing work proposed for the infrastructure cloud. We categorize these solutions based on approach optimization, used methods, and objective models. The latter are introduced by mathematical formulations that may be classified as mono-objective and multi-objective formulations. Typically, the single objective takes into account energy. Whereas, the multi-objective considers others, like resource utilization. Extensive simulation, using cloudsim, shows that the multi-objective formulations provide significant improvement than the mono-objective ones. Indeed, the results show an improvement of as much as 12% in the average energy consumption and 15% in the average resource utilization.