云计算环境下基于任务调度的动态数据复制

Int. J. Strateg. Inf. Technol. Appl. Pub Date : 2017-10-01 DOI:10.4018/IJSITA.2017100104

Siham Kouidri, Belabbes Yagoubi

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引用次数: 6

摘要

云计算提供基于virtualizationconceptsandapay-as-you-goprinciple的it资源(例如，CPU，内存，网络，存储等)。Itcomprisesanaccumulationofinter-related plusvirtualizedcalculatingresourceswhicharemanagedbyoneormoreamalgamatedcalculating资源。随着计算机化科学工作流程的发展，数据量为increasingexponentially。Workflowschedulinganddatareplicationhavebeenconsideredthemajor challengesincloudcomputing。分别是Nevertheless和manyresearchersfocusonschedulingordatareplication。Inthisarticle，acombinationofworkflowschedulingbasedontheclusteringofdataand dynamicdatareplicationstrategies，hasbeenintroducedtogetherandevaluatesseveralperformance metricsusingaCloudsimsimulator。Theaimofthisproposedalgorithmistominimizethecompletion timeandtransfertime。Theperformanceofthisproposedalgorithmhasbeenevaluatedusingthe CloudSimtoolkit。关键词云计算，集群，动态复制，调度，科学工作流，虚拟机

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Dynamic Data Replication Based on Tasks scheduling for Cloud Computing Environment

Cloud computing provides IT resources (e.g., CPU, memory, network, storage, etc.) based on virtualizationconceptsandapay-as-you-goprinciple.Itcomprisesanaccumulationofinter-related plusvirtualizedcalculatingresourceswhicharemanagedbyoneormoreamalgamatedcalculating resources. With the development of a computerized scientific workflow, the amount of data is increasingexponentially.Workflowschedulinganddatareplicationhavebeenconsideredthemajor challengesincloudcomputing.Nevertheless,manyresearchersfocusonschedulingordatareplication separately.Inthisarticle,acombinationofworkflowschedulingbasedontheclusteringofdataand dynamicdatareplicationstrategies,hasbeenintroducedtogetherandevaluatesseveralperformance metricsusingaCloudsimsimulator.Theaimofthisproposedalgorithmistominimizethecompletion timeandtransfertime.Theperformanceofthisproposedalgorithmhasbeenevaluatedusingthe CloudSimtoolkit. KEywoRDS Cloud Computing, Clustering, Dynamic Replication, Scheduling, Scientific Workflow, Virtual Machines

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Int. J. Strateg. Inf. Technol. Appl.

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