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1、NISTCloudComputingReferenceArchitectureVersion1March30,2011InformationTechnologyLaboratoryCloudComputingProgram2AcknowledgementsThisreferencearchitecturewasdevelopedandpreparedbyDr.FangLiu,JinTong,Dr.JianMao,KnowceanConsultingInc.Dr.RobertBohn,NISTCCReferenceArchite
2、ctureWorkingGroupLeadJohnMessina,NISTCCTaxonomyWorkingGroupLeadDawnLeaf,NISTSeniorExecutiveforCloudComputingWithbroadcontributionfrommembersoftheNISTReferenceArchitectureWorkingGroupandmembersofNISTCloudComputingProgramInformationTechnologyLaboratoryCloudComputingPr
3、ogram3Objective•TheobjectiveistodefineaneutralreferencearchitectureconsistentwiththeNISTDefinitionofCloudComputingthat:–Representsthethreeservicemodels(SoftwareasaService(SaaS)/Platformasaservice(PaaS)/InfrastructureasaService(IaaS)),fourdeploymentmodels(privateclou
4、d/communitycloud/publiccloud/hybridcloud),andfiveessentialcharacteristics(on-demandself-service/broadnetworkaccess/resourcepooling/rapidelasticity/measuredservice)–Relatesdifferentcloudservicesandmapsthemtotheoverallmodel–ServesasaroadmapforITtounderstand,select,des
5、ignand/ordeploycloudinfrastructures•ThisreportpresentsthefirstversionoftheNISTCloudComputingReferenceArchitecture.InformationTechnologyLaboratoryCloudComputingProgram4NISTCloudComputingReferenceArchitecture-Top-LevelView•TheNISTCloudComputingReferenceArchitecturecon
6、sistsoffivemajoractors.Eachactorplaysaroleandperformsasetofactivitiesandfunctions.Thereferencearchitectureispresentedassuccessivediagramsinincreasinglevelofdetail.•Amongthefiveactors,cloudbrokersareoptional,ascloudconsumersmayobtainservicedirectlyfromacloudprovider.
7、ActorDefinitionCloudConsumerPersonororganizationthatmaintainsabusinessrelationshipwith,andusesservicefrom,CloudProviders.CloudProviderPerson,organizationorentityresponsibleformakingaserviceavailabletoCloudConsumers.CloudAuditorApartythatcanconductindependentassessme
8、ntofcloudservices,informationsystemoperations,performanceandsecurityofthecloudimplementation.CloudBrokerAnentitymanagestheuse,performancea
