A Hybrid Multiple Parallel Queuing Model to Enhance QoS in Cloud Computing

IF 0.6 Q4 COMPUTER SCIENCE, THEORY & METHODS International Journal of Grid and High Performance Computing Pub Date : 2020-01-01 DOI:10.4018/ijghpc.2020010102

Shahbaz Afzal, G. Kavitha

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引用次数: 9

Abstract

AmongthedifferentQoSmetricsandparametersconsideredincloudcomputingarethewaitingtime ofcloudtasks,executiontimeoftasksinVM’s,andtheutilizationrateofservers.Theproposed modelwasdeveloped toovercomesomeof thepitfalls in theexistingsystemsamongwhichare sub-optimalmarkdowninthequeuelength,waitingtime,responsetime,andserverutilizationrate. TheproposedmodelcontemplatesontheenhancementofthesemetricsusingaHybridMultiple ParallelQueuingapproachwithajointimplementationofM/M/1:∞andM/M/s:N/FCFStoachieve thedesiredobjectives.Aneotericsetofmathematicalequationshavebeenformulatedtovalidate theefficiencyandperformanceofthehybridqueuingmodel.Theresultshavebeenvalidatedwith referencetotheworkloadtracesofBitBrainsinfrastructureprovider.Theresultsobtainedindicate thesignificantreductioninthequeuelengthby60.93percent,waitingtimeinthequeueby73.85 percent,andtotalresponsetimeby97.51%. KEywoRdS Cloud Computing, CSC, CSP, Hybrid Multiple Parallel Queuing Model, Internet-as-aService, QoS, QoS Metrics, Queuing Theory

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一种提高云计算服务质量的混合多并行排队模型

AmongthedifferentQoSmetricsandparametersconsideredincloudcomputingarethewaitingtime ofcloudtasks，executiontimeoftasksinVM 's，andtheutilizationrateofservers。Theproposed modelwasdeveloped toovercomesomeof thepitfalls in_ theexistingsystemsamongwhichare sub-optimalmarkdowninthequeuelength，waitingtime，responsetime，andserverutilizationrate。> TheproposedmodelcontemplatesontheenhancementofthesemetricsusingaHybridMultiple ParallelQueuingapproachwithajointimplementationofM/M/1: >∞andM/M/s:N/FCFStoachieve thedesiredobjectives。Aneotericsetofmathematicalequationshavebeenformulatedtovalidate theefficiencyandperformanceofthehybridqueuingmodel。Theresultshavebeenvalidatedwith referencetotheworkloadtracesofBitBrainsinfrastructureprovider。Theresultsobtainedindicate thesignificantreductioninthequeuelengthby60.93percent，waitingtimeinthequeueby73.85 %，andtotalresponsetimeby97.51%。关键词云计算，CSC, CSP，混合多并行排队模型，互联网即服务，QoS, QoS度量，排队论

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