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1、熊铭杰xiongmj@cn.ibm.comIBMInnovationCenters虚拟化的理解与实现2企业数据中心的转型由技术革新支持的业务模式加速转变日渐增加的操作性问题相对稳定的资产投资GlobalAnnualServerSpending(IDC)Source:IBMCorporateStrategyanalysisofIDCdata不可控制的管理和能源开支$0B50100150200250300199619971998199920002001200220032004200520062007200820092010NewsystemspendManagementandadminco
2、stsPowerandcoolingcostsTomakeprogress,deliveryorganizationsmustaddresstheserver,storageandnetworkoperatingcostproblem,notjustCAPEXIDC成本趋势图4“Irealized,theseguys(IBM)areaheadofme.They'veactuallythoughtthroughtheconsequencesofthisnewlifethatwe'rebuilding.Andweimmediatelyorganizedtopartnerwiththetec
3、hnology,andthetechnologists,andthevision.”EricSchmidt,CEOGoogleBusinessPartnerLeadershipConference20084IT的简化SimplifiedSharedSiloedDynamic5企业范围内的IT需求和供应链…一个共享服务中心，在使用者,业务线或者应用之间实现“IT基础设施共享”…业务策略和服务层协议（SLA）促成IT基础设施的动态和自动地优化…从而减少开支，并且增加服务的灵活度和质量ResourcesIdentities/SecurityWorkloads/DataProvisioning
4、OptimizationAvailabilityPolicies:ITservicedefinitionsServiceagreementsBusinessprioritiesServices:ThatmeetbusinessrequirementsAdaptedfromGartner虚拟化功能和好处共享虚拟资源池ResourcesExamples:LPARs,VMs,virtualdisks,VLANsBenefits:Resourceutilization,workload manageability,flexibility,isolation集合虚拟资源池ResourcesExa
5、mples:Virtualdisks,IProutingtoclonesBenefits:Managementsimplification, investmentprotection,scalability仿真虚拟资源池ResourcesExamples:Arch.emulators,iSCSI,virtualtapeBenefits:Compatibility,softwareinvestment protection,interoperability,flexibility隔离Add,Replace, orChange虚拟资源池ResourcesExamples:SpareCPUs
6、ubst.,CUoD,SAN-VCBenefits:Continuousavailability,flexibility, softwareinvestmentprotectionResource TypeYResource TypeXPage7服务器虚拟化的不同层次虚拟资源池实现方法例子Virtualruntimes(applicationcontainers)MiddlewareprovidesJVM,J2EE,orCLRapplicationcontainersMultiplemiddlewareinstancesactasoneWebSphereVEMicrosoftandSu
7、nJVMsBEALiquidVMVirtualoperatingsystems(applicationcontainers)OScreatesvirtualOSenvironmentperapp.Eachcontainerhasitsownnamespace,files,root,…z/OSAddressSpacesAIX6.1WPARsSolarisContainersHP-UXSyst.Res.Part.MSSoftGridVirtuals
