Offloading as a Service Middleware for Mobile Cloud Apps

Int. J. Cloud Appl. Comput. Pub Date : 2020-04-01 DOI:10.4018/ijcac.2020040103

Hamid Jadad, A. Touzene, K. Day

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引用次数: 4

Abstract

Recently,muchresearchhasfocusedontheimprovementofmobileappperformanceandtheirpower optimization,byoffloadingcomputationfrommobiledevicestopubliccloudcomputingplatforms. However,thescalabilityoftheseoffloadingservicesonalargescaleisstillachallenge.Thisarticle describesasolutiontothisscalabilityproblembyproposingamiddlewarethatprovidesoffloading asaservice(OAS)tolarge-scaleimplementationofmobileusersandapps.Theproposedmiddleware OAS uses adaptive VM allocation and deallocation algorithms based on a CPU rate prediction model. Furthermore, it dynamically schedules the requests using a load-balancing algorithm to ensuremeetingQoSrequirementsatalowercost.Theauthorshavetestedtheproposedalgorithm byconductingmultiplesimulationsandcomparedourresultswithstate-of-the-artalgorithmsbased onvariousperformancemetricsundermultipleloadconditions.TheresultsshowthatOASachieves betterresponsetimewithaminimumnumberofVMsandreduces50%ofthecostcomparedto existingapproaches. KeywORdS Apps, Load Balancing, Mobile Cloud, Offloading, Scheduling

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卸载作为移动云应用的服务中间件

最近，muchresearchhasfocusedontheimprovementofmobileappperformanceandtheirpower优化，byoffloadingcomputationfrommobiledevicestopubliccloudcomputingplatforms。然而，thescalabilityoftheseoffloadingservicesonalargescaleisstillachallenge。Thisarticle describesasolutiontothisscalabilityproblembyproposingamiddlewarethatprovidesoffloading asaservice(美洲组织)tolarge-scaleimplementationofmobileusersandapps。Theproposedmiddleware oas采用了基于cpu rate预测模型的adaptivevmallocation和deallocation算法。此外，它还使用负载平衡算法动态地调度请求到ensuremeetingQoSrequirementsatalowercost。Theauthorshavetestedtheproposedalgorithm byconductingmultiplesimulationsandcomparedourresultswithstate-of-the-artalgorithmsbased onvariousperformancemetricsundermultipleloadconditions。TheresultsshowthatOASachieves betterresponsetimewithaminimumnumberofVMsandreduces50%ofthecostcomparedto existingapproaches。关键词应用程序，负载平衡，移动云，卸载，调度

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Int. J. Cloud Appl. Comput.

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