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ID:32613385
大小:2.47 MB
页数:67页
时间:2019-02-13
《基于sla的云资源分配模型-研究与优化》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、万方数据东北大学硕士学位论文AbstractTheResearchandOptimizationofCloudResourceAllocationCloudresourcesinModelBasedonSLAAbstractcomputingisanewwayofInternet-basedcomputing,itcanprovideaccordancewithcustomer’Sdemand.Inrecentyears,cloudcomputinghasbecomethemainstreamofthe
2、developmenttrendoftheinformationindustry,andalsobecomeahotacademicresearch.Butwiththeexpansionofthescaleoftheuser,theuser’Srequestshowingincreasingdiversity,dynamic,complexfeatures,andaswellastheenergyconsumptionofdatacenterhasbecomeincreasinglyprominent
3、,theseallbringchallengestotheschedulingassignmentofcloudresources.Atthesametime,users’requirementsofqualityofservicesuchasresponsetimearegettinghigher,whileSLAcanprovideaguaranteeofqualityofservice.Therefore,theresearchofresourcesallocationbasedonSLAisne
4、cessary.Basedontheanalysisofcurrentresearch,thisthesispresentsanimprovedcloudcomputingresourceallocationmodel,andadoptesaswarmintelligencealgorithmforitssolution.Themaincontentsareasfollows:(1)Thismodelfullyconsiderstheneedsofusersonthequalityofservices,
5、meanwhileestablishestheobjectivefunctiononthegoalthatcloudserviceproviderscanobtainemaximizeprofits.Thefunctionmodulesinthecloudresourcemanagementplatformareintroducedfirst,andtheflowofinformationbetweenthemareanalyzed.Secondthismodelusesqueuingtheorytom
6、odeltheprocessofrequestsareservedandevaluatetheresponsetime,andusesalayeredapproachtohandleusers’requests,considerstheloadstatusofcloudcomputingsystem.accordingtothepredictednumberofrequeststodecidetheallocationofvirtualresources.(2)Multiplevariableswith
7、bindingrelationshipexistintheaboveresourceallocationmodel,anditbelongstoNP—hardproblem.Traditionalsolutionisdividethisproblemintoseveralsub—problemsbygreedyalgorithmforsolvingtheproblem,buttheresultsofsub-dividingobtainedaftersummingneedtoproveistheoptim
8、alsolutionoftheoriginalproblem,andtheproveisacomplexprocess.Therefore,thistheisuses·III·万方数据东北大学硕士学位论文Abstractswarmintelligencealgorithmtosolvethemodel.Theparticleswarmoptimazitonalgorithmasoneofintelligencealgorithmhaseas
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