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Energy-efficient scheduling of real-time cloud services using task consolidation and Dynamic Voltage Scaling
Sch. of ECE, Univ. of Tehran, Tehran, Iran.
Sch. of ECE, Univ. of Tehran, Tehran, Iran.
Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.ORCID iD: 0000-0002-1384-5323
Sch. of ECE, Univ. of Tehran, Tehran, Iran.
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2014 (English)In: 2014 7th International Symposium on Telecommunications, IST 2014, 2014, p. 675-682Conference paper, Published paper (Refereed)
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Abstract [en]

Energy consumption has attracted a lot of attention in the past few years, because energy reduction causes a significant mitigation of the negative impact on the environment along with an operational cost reduction. Energy-efficient task scheduling is an effective technique to decrease the energy consumption in the Cloud Computing Systems (CCSs). In this paper, the problem of scheduling a set of precedence-constrained real-time services onto a set of heterogenous servers is investigated. Each service contains a set of tasks bounded with a specific deadline. The main notion applied in this paper is to employ the consolidation approach along with the Dynamic Voltage Scaling (DVS) technique. The proposed scheduler is developed in three phases. Tasks' deadlines and a laxity metric are computed for each service according to the corresponding service deadline prior to the main scheduling phase. Afterwards, in order to consolidate the tasks onto the minimum number of servers, the algorithm estimates the required number of servers. Finally, in the last phase, the tasks are scheduled while the DVS technique is applied with considering the tasks' deadlines. The extensive experimental results clearly demonstrate that the proposed algorithm reduces the energy consumption of a CCS by 14% on average in comparison with beam search algorithm. In addition, it outperforms the non power-Aware algorithm by 84%.

Place, publisher, year, edition, pages
2014. p. 675-682
Keywords [en]
DVS, energy-efficient scheduling, precedence-constraint prallel application, real-time services, task consolidation, Algorithms, Cost reduction, Distributed computer systems, Energy utilization, Information services, Power management, Real time systems, Scheduling, Voltage scaling, Voltage stabilizing circuits, Precedence constraints, Real time service, Energy efficiency
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-31615DOI: 10.1109/ISTEL.2014.7000789ISI: 000392911900126Scopus ID: 2-s2.0-84931092854ISBN: 9781479953592 (print)OAI: oai:DiVA.org:mdh-31615DiVA, id: diva2:930273
Conference
2014 7th International Symposium on Telecommunications, IST 2014, 9 September 2014 through 11 September 2014
Available from: 2016-05-23 Created: 2016-05-23 Last updated: 2019-01-10Bibliographically approved

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Faragardi, Hamid Reza

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Citation style
  • apa
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  • Other locale
More languages
Output format
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  • asciidoc
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