Multidimensional hierarchical VM migration management for HPC cloud environments

Abstract

Efficient resource management is crucial for balancing performance and energy consumption in large-scale data centres. In the case of additional requirements such as guaranteed resources and low communication latency, it is of great importance to implement not only an efficient initial placement algorithm, but also maximise consolidation by migration techniques, making sure that network performance is not sacrificed. In this paper, we introduce a hierarchical approach to migrations based on a combination of efficient packing algorithms and network communities. Results analysis shows the benefits of using a two-level approach where the combination of localised consolidation and network awareness improves both performance and energy efficiency, while maintaining low network hop distance.