思科的数据中心虚拟化解决方案-SEVT-JiapengPPT推荐.ppt

思科的数据中心虚拟化解决方案-SEVT-JiapengPPT推荐.ppt

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,数据中心的虚拟化解决方案,目录,数据中心虚拟化技术的概览CISCO的数据中心虚拟化解决方案应用案例分享-CISCOIT,“By2008,50%ofTodaysDataCentersWillHaveInsufficientPowerandCoolingCapacitytoMeettheDemandsofHigh-DensityEquipment”,数据中心的趋势,DaystoDeployApplications部署应用的天数Server/StorageUtilization服务器/存储利用率AnnualStorageGrowth每年存储增长DCRecordsRetention（Years）数据中心记录保管DCPowerandCoolingCosts数据中心电力跟制冷费用DataCenterOperations数据中心维护,Source:

@#@Gartner,2008,6018030%,Gartner200910大战略技术,1、虚拟化技术（Virtualization）2、云计算（CloudComputing）技术3、后刀片服务器（ServersBeyondBlades）4、面向互联网的架构（Web-orientedarchitecture）5、企业聚合应用（Mashup）技术6、专业化系统（Specializedsystems）7、社会化软件和社交网络（Socialsoftwareandsocialnetworking）8、统一通信技术（Unifiedcommunications）9、商业情报技术（Businessintelligence）10、绿色IT技术（GreenIT）,虚拟化-定义（一种表述）,Virtualization虚拟化IsthePoolingandAbstractionofResourcesandServicesinaWayThatMasksthePhysicalNatureandBoundariesofThoseResourcesandServicesfromTheirUsers,数据中心虚拟化目标,整合或者共享物理资产来提高利用率,减少物理设备，电缆，空间，电力与制冷,快速部署以及重部署资源以符合业务发展目标,从应用“独占资源”向“共享资源”转变,存储分离的高端服务器模式,数量众多的机架及刀片式服务器,T1S2-Cisco,数据中心虚拟化一览,Front-End数据中心的虚拟化核心层VDC汇聚层、服务层VDCVSSVPC访问层服务器虚拟化Back-End虚拟化SANHBAUnifiedIO（FCoE）Storage,目录,数据中心虚拟化技术的概览CISCO的数据中心虚拟化解决方案应用案例分享-CISCOIT,FRONT-END前端虚拟化,网络虚拟化,Servers,Mainframe,WAN,数据中心里的分隔,DriversConsolidatedatacentersfrommultipleorganizationalunits（OUs）HigherutilizationofdedicateddatacenterspacesNeedsPartitionroutingsogroupscantsee/accesseachother（compliance/organizationalboundaries）SeparatemanagementforsubsetofservicesOptionsVLANs/VRFsVDCsServicecontexts,SegmentationL3VRF技术,802.1q,GlobalTable,GuestVRF,SVIorsub-interface（Layer3）,GRETunnelVRF-LITEendtoend,IP交换（向核心层）,IP交换（向访问层）,SVIorsub-interface（Layer3）,PhysicalInterface（Layer3）,PartnerVRF,SVIorSub-Interface（Layer3）,FirstL3HopDevice,RedVRF,GreenVRF,SegmentationVDC-虚拟设备环境,VDCVirtualDeviceContextCiscoNX-OS能够将OS和硬件资源划分为模拟虚拟设备的虚拟环境每个VDC拥有其自身的软件进程、专用硬件资源（接口）和独立的管理环境独立的安全管理界限划分和故障隔离域VDC有助于将分立网络整合为一个通用基础设施，保留物理上独立的网络的管理界限划分和故障隔离特性，并提供单一基础设施所拥有的多种运营成本优势。

@#@,Infrastructure,Kernel,VDC1,VDC2,VDC3,VDC4,数据中心里用VDC做分隔,Nexus7000,Campus/WAN,Campus/WAN,VDCsandContexts,UsingVDCs,managementofbothservicesandswitchinginfrastructurekeptcompletelyindepdendentSecurity-policymanagementanddeploymentbyusergroupVRFs/VLANscanbedeployedwithincontextofeachVDC,VDC应用模式水平整合与垂直整合,Objective:

@#@Consolidatelateralinfrastructurethatdeliverssimilarrolesforseparateoperationaloradministrativedomains.Benefits:

@#@Reducedpowerandspacerequirements,canmaximizedensityoftheplatform,easymigrationtophysicalseparationforfuturegrowth,core1,core2,agg2,agg1,acc2,acc1,agg4,agg3,accY,accN,acc2,acc1,accY,accN,core,core,Core,AggregationVDCs,CoreDevices,AggregationDevices,aggVDC1aggVDC2,aggVDC1aggVDC2,aggVDC1,aggVDC2,AdminGroup1,AdminGroup2,AdminGroup1,AdminGroup2,core1,core2,agg4,agg3,accY,accN,accY,accN,coreVDC,aggVDC,CoreVDCs,AggregationVDCs,CoreDevices,AggregationDevices,coreVDC,aggVDC,Combinedvertical&@#@horizontalconsolidationinsmalltomediumdesigns（2aggregationblocksorless）Power,coolingandrealestateoptimizationformultiplelayersMaximizethebenefitsofahigh-densityplatformSimplifiedgrowthmigrationpath,core1,core2,agg2,agg1,acc2,acc1,agg4,agg3,accY,accN,acc2,acc1,accY,accN,core,core,agg,agg,CoreVDCs,AggregationVDCs,CoreDevices,AggregationDevices,VDC应用模式水平+垂直整合,DevicePoolingCatalyst6500VSS的部署模式,DataCenter,WAN,Internet,Before,After,SimplifiesOperationalManageabilityBoostsNon-StopCommunicationsOptimizedpathselection，IncreasedthroughputMaximizesystemusage，Maximizeserverusage，MaximizesBandwidthUtilization,LoopfreeNon-blockingTopologyLinktoServiceSwitchorServiceAppliancearevPCthusnotblockingportsServicedeviceshavedirectpathtoactiveHSRPpeerregardlessofactivestateNullifiesfatesharingissuesasservicelocationmaynotbesuboptimalBandwidthCapacityPathsto/fromservicedevicesarebothconcurrentlyusableOversubscriptiontoservicedevicesishalved,*ApplicabletoVSSaswell,DevicePoolingNexus7000vPC的部署模式,Before,After,FRONT-END网络服务虚拟化,SIA架构的优越性ServiceInsertionArchitecture,ServiceAwareNetworking,ReducedOperationalRisk,Abilitytotest&@#@deploynewserviceswithminimaltrafficengineering,ReducedOperationalCosts,Simplifiesdeploymentsandrepurposingofservices,InvestmentProtection,LeverageyourexistingCisconetworkinginfrastructuretoadopttheSIAframework,ServiceVirtualization,Migratetowardsanon-demandservicesconsumptionmodel,Embedservicesintelligenceintothenetwork,SimplifiedManageability,Abilitytotrace&@#@troubleshootflowsacrossmultipleservices,Strategic,Operational,Financial,FasterDeployment,Abilitytorapidlyturnonadditionalservices,ServiceInsertionArchitecture（SIA）一览,Today,SIA-Enabled,TopologybasedtrafficsteeringVLAN&@#@VRFstitchingWCCP,PBR,Src-NATStatic,distributedconfigurationProliferationofVLANs/VRFsPercon