Abstract

In our previous studies, the dynamic virtual machine migration (DVMM) algorithm is proposed to reduce the total electric energy consumption of servers by migrating virtual machines to more energy-efficient servers. Here, virtual machines are dynamically created and dropped depending on number of processes. However, the more number of virtual machines are created, the more number of virtual machines are dropped. Servers consume the electric energy to drop virtual machines. In this paper, we propose an IDVMM (improved DVMM) algorithm to decrease the number of virtual machines to be dropped. In the evaluation, we show not only the total electric energy consumption and active time of servers but also the average execution time of processes can be reduced in the IDVMM algorithm compared with other algorithms.

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