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Bayes Theorem Based Virtual Machine Scheduling for Optimal Energy Consumption

R. Swathy*, B. Vinayagasundaram

Computer Center, Madras Institute of Technology, Anna University, Chennai, 600044, India

* Corresponding Author: R. Swathy. Email: email

Computer Systems Science and Engineering 2022, 43(1), 159-174. https://doi.org/10.32604/csse.2022.023706

Abstract

This paper proposes an algorithm for scheduling Virtual Machines (VM) with energy saving strategies in the physical servers of cloud data centers. Energy saving strategy along with a solution for productive resource utilization for VM deployment in cloud data centers is modeled by a combination of “Virtual Machine Scheduling using Bayes Theorem” algorithm (VMSBT) and Virtual Machine Migration (VMMIG) algorithm. It is shown that the overall data center’s consumption of energy is minimized with a combination of VMSBT algorithm and Virtual Machine Migration (VMMIG) algorithm. Virtual machine migration between the active physical servers in the data center is carried out at periodical intervals as and when a physical server is identified to be under-utilized. In VM scheduling, the optimal data centers are clustered using Bayes Theorem and VMs are scheduled to appropriate data center using the selection policy that identifies the cluster with lesser energy consumption. Clustering using Bayes rule minimizes the number of server choices for the selection policy. Application of Bayes theorem in clustering has enabled the proposed VMSBT algorithm to schedule the virtual machines on to the physical server with minimal execution time. The proposed algorithm is compared with other energy aware VM allocations algorithms viz. “Ant-Colony” optimization-based (ACO) allocation scheme and “min-min” scheduling algorithm. The experimental simulation results prove that the proposed combination of ‘VMSBT’ and ‘VMMIG’ algorithm outperforms other two strategies and is highly effective in scheduling VMs with reduced energy consumption by utilizing the existing resources productively and by minimizing the number of active servers at any given point of time.

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Cite This Article

R. Swathy and B. Vinayagasundaram, "Bayes theorem based virtual machine scheduling for optimal energy consumption," Computer Systems Science and Engineering, vol. 43, no.1, pp. 159–174, 2022. https://doi.org/10.32604/csse.2022.023706



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