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Analysis of Virtualization Technologies for High Performance Computing Environments

Analysis of Virtualization Technologies for High Performance Computing Environments,10.1109/CLOUD.2011.29,Andrew J. Younge,Robert Henschel,James T. Br

Analysis of Virtualization Technologies for High Performance Computing Environments  
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As Cloud computing emerges as a dominant paradigm in distributed systems, it is important to fully under- stand the underlying technologies that make Clouds possible. One technology, and perhaps the most important, is virtualization. Recently virtualization, through the use of hypervisors, has become widely used and well understood by many. However, there are a large spread of different hypervisors, each with their own advantages and disadvantages. This paper provides an in-depth analysis of some of today's commonly accepted virtualization technologies from feature comparison to performance analysis, focusing on the applicability to High Performance Computing environments using FutureGrid resources. The results indicate virtualization sometimes introduces slight performance impacts depending on the hypervisor type, however the benefits of such technologies are profound and not all virtualization technologies are equal. From our experience, the KVM hypervisor is the optimal choice for supporting HPC applications within a Cloud infrastructure.
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