Enabling green computing in cloud environments: Network virtualization approach toward 5G support

Jitendra Kumar Verma, Sushil Kumar, Omprakash Kaiwartya, Yue Cao*, Jaime Lloret, C. P. Katti, Rupak Kharel

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

Virtualization technology has revolutionized the mobile network and widely used in fifth-generation innovation. It is a way of computing that allows dynamic leasing of server capabilities in the form of services like Software as a Service (SaaS), Platform as a Service (PaaS), and Infrastructure as a Service (IaaS). The proliferation of these services among the users led to the establishment of large-scale cloud data centers that consume an enormous amount of electrical energy and results into high metered bill cost and carbon footprint. In this paper, we propose three heuristic models, namely, median migration time, smallest void detection, and maximum fill technique, that can reduce energy consumption with minimal variation in service-level agreements negotiated. Specifically, we derive the cost of running cloud data center, cost optimization problem, and resource utilization optimization problem. Power consumption model is developed for cloud computing environment focusing on linear relationship between power consumption and resource utilization. A virtual machine (VM) migration technique is considered, focusing on synchronization-oriented shorter stop-and-copy phase. The complete operational steps as algorithms are developed for energy-aware heuristic models including median migration time, smallest void detection, and maximum fill technique. To evaluate the proposed heuristic models, we conduct experimentations using PlanetLab server data often in ten days and synthetic workload data collected randomly from the similar number of VMs employed in PlanetLab servers. Through evaluation process, we deduce that the proposed approaches can significantly reduce the energy consumption, total VM migration, and host shutdown while maintaining high system performance.

Original languageEnglish
Article numbere3434
Number of pages25
JournalTransactions on Emerging Telecommunications Technologies
Volume29
Issue number11
Early online date29 May 2018
DOIs
Publication statusPublished - 1 Nov 2018

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