SOFT SOLUTIONS -PONDICHERRY
Energy-efficient Virtual Machine Consolidation for Cloud Computing
In the presence of rising costs for energy, infrastructure, cooling and power supply, Infrastructure-as-a-
Service Cloud computing providers are highly interested in increasing the energy efficiency of their
hardware- and software architectures. In this article, a novel approach to virtual machine consolidation
for saving energy is presented. It is based on energy-efficient storage migration and live migration of
virtual machines to take advantage of the lacking energy-proportionality of commodity hardware.
Eucalyptus, an open-source clone of the popular Amazon Elastic Compute Cloud, is used to implement
the proposed approach. Several short- and long-term experiments are presented, demonstrating the
potential for energy savings in productive Cloud computing environments. Quality-of-service violations
during the consolidation process are addressed.
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