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Energy-Aware VM Consolidation in Cloud Data Centers Using Utilization Prediction Model - 2018

Research Area:  Cloud Computing


Virtual Machine (VM) consolidation provides a promising approach to save energy and improve resource utilization in data centers. Many heuristic algorithms have been proposed to tackle the VM consolidation as a vector bin-packing problem. However, the existing algorithms have focused mostly on the number of active Physical Machines (PMs) minimization according to their current resource requirements and neglected the future resource demands. Therefore, they generate unnecessary VM migrations and increase the rate of Service Level Agreement (SLA) violations in data centers. To address this problem, we propose a VM consolidation approach that takes into account both the current and future utilization of resources. Our approach uses a regression-based model to approximate the future CPU and memory utilization of VMs and PMs. We investigate the effectiveness of virtual and physical resource utilization prediction in VM consolidation performance using Google cluster and PlanetLab real workload traces. The experimental results show, our approach provides substantial improvement over other heuristic and meta-heuristic algorithms in reducing the energy consumption, the number of VM migrations and the number of SLA violations.

Author(s) Name:  Fahimeh Farahnakian; Tapio Pahikkala; Pasi Liljeberg; Juha Plosila; Nguyen Trung Hieu and Hannu Tenhunen

Journal name:   IEEE Transactions on Cloud Computing

Conferrence name:  

Publisher name:  IEEE

DOI:  10.1109/TCC.2016.2617374

Volume Information:   Volume: 7, Issue: 2, April-June 1 2019,Page(s): 524 - 536