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1、.....AnEvaluationofKVMforUseinCloudComputingM.FENN,M.A.MURPHY,J.MARTIN,andS.GOASGUENClemsonUniversityInthispaperwedescribeavirtualclusterbasedontheKernel-basedVirtualMachine(KVMasanalternativetoVMWareandXen.Specicallyweshowhowthevirtualclusterisbuiltandtailoredtotvirtualorganizations.Thetechniq
2、uepresentedinthispaper,knownastheVirtualOrganizationClusterModel,showsgreatpotentialforcloudcomputing.Inourimplementation,weusedaminimalistinstallationofSlackwareLinux12on14computenodes,ensuringminimalhostoverhead.OurprototypeVirtualOrganizationClusteriscomposedof28virtualcomputesnodes,eachrunn
3、ingCentOS5.1withCondor,andMPI.Resultsoftestingtheprototypewereencouraging,withtheexceptionofnetworkperformance.CategoriesandSubjectDescriptors:C.4[ComputerSystemsOrganization]:PerformanceofSystemsDesignstudies;Performanceattributes;C.2.4[Computer-CommunicationNet-works]:DistributedSystemsGenera
4、lTerms:Design,Experimentation,Measurement,PerformanceAdditionalKeyWordsandPhrases:VirtualMachines,KVM,High-PerformanceComputing1.INTRODUCTIONAcurrentprobleminscienticcomputingisthattheexpertiseneededtodeployandmaintainaclusterremainsscarcedespiterecentdeclinesinhardwarecosts.Smallerresearchgrou
5、psmaynotbeabletoaordtohavetheirownclusters,andpurchasingtimeonanexistingclusterraisesconcernssuchasvendorlock-inanddatasecurity.學(xué)習(xí)參考.....Inthispaper,wepresentacloudcomputingmodelwhichdenesaminimumspecicationforacomputecluster.Thiscluster'ssolepurposeistohostothercom-puteclustersthroughvirtualiz
6、ation.Inthisway,aVirtualizationServiceProvider(VSPcansellcomputepowerwithouthavingtodirectlymaintaineachend-user'sparticularapplication.Similarly,VirtualOrganizations(VO'scanpurchasecomputepowerfromVSP'swithouthavingtoworryabouthardwareorsoftwarecompatibility.AVOisfreetodevelopamodelclusterloca
7、lly,perhapsevenonapersonalworkstation,testit,andAuthors'address:SchoolofComputing,ClemsonUniversity,Clemson,SC29634-0974,USA.{mfenn,mamurph,jim.martin,sebgoa}@cs.clemson.eduThismaterialisbaseduponworksupportedunderaNationalScience
