思科的数据中心虚拟化解决方案-SEVT-JiapengPPT推荐.ppt

1、,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-CISCO IT,“By 2008,50%of Todays Data Centers Will Have Insufficient Power and Cooling Capacity to Meet the Demands of High-Density Equipment”,数据中心的趋势,Days to Deploy Applications部署应用的天数Server/Storage Utilization服务器/存储利用率 Annual Storage Growth 每年存储增长

2、DC Records Retention（Years）数据中心记录保管DC Power and Cooling Costs数据中心电力跟制冷费用Data Center Operations数据中心维护,Source:#Gartner,2008,60180 30%,Gartner 2009 10 大战略技术,1、虚拟化技术（Virtualization）2、云计算（Cloud Computing）技术3、后刀片服务器（Servers Beyond Blades）4、面向互联网的架构（Web-oriented architecture）5、企业聚合应用（Mashup）技术6、专业化系统（Speci

3、alized systems）7、社会化软件和社交网络（Social software and social networking）8、统一通信技术（Unified communications）9、商业情报技术（Business intelligence）10、绿色IT技术（Green IT）,虚拟化-定义（一种表述）,Virtualization 虚拟化Is the Pooling and Abstraction of Resources and Services in a Way That Masks the Physical Nature and Boundaries of Those

4、 Resources and Services from Their Users,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 VDC VSS VPC访问层服务器虚拟化Back-End 虚拟化SANHBAUnified IO（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

5、决方案应用案例分享-CISCO IT,FRONT-END 前端虚拟化,网络虚拟化,Servers,Mainframe,WAN,数据中心里的分隔,DriversConsolidate data centers from multiple organizational units（OUs）Higher utilization of dedicated data center spacesNeedsPartition routing so groups cant see/access each other（compliance/organizational boundaries）Separate m

6、anagement for subset of servicesOptionsVLANs/VRFsVDCsService contexts,SegmentationL3 VRF技术,802.1q,Global Table,Guest VRF,SVI orsub-interface（Layer 3）,GRE TunnelVRF-LITE end to end,IP交换（向核心层）,IP交换（向访问层）,SVI orsub-interface（Layer 3）,Physical Interface（Layer 3）,Partner VRF,SVI orSub-Interface（Layer 3）,

7、First L3 Hop Device,Red VRF,Green VRF,SegmentationVDC-虚拟设备环境,VDC Virtual Device ContextCisco NX-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,VDC 1,VDC 2,VDC 3,VDC 4,数据中心里用V

8、DC做分隔,Nexus 7000,Campus/WAN,Campus/WAN,VDCs andContexts,Using VDCs,management of both services and switching infrastructure kept completely indepdendentSecurity-policy management and deployment by user groupVRFs/VLANs can be deployed within context of each VDC,VDC应用模式水平整合与垂直整合,Objective:#Consolidate

9、 lateral infrastructure that delivers similar roles for separate operational or administrative domains.Benefits:#Reduced power and space requirements,can maximize density of the platform,easy migration to physical separation for future growth,core1,core2,agg2,agg1,acc2,acc1,agg4,agg3,accY,accN,acc2,

10、acc1,accY,accN,core,core,Core,Aggregation VDCs,Core Devices,Aggregation Devices,agg VDC 1agg VDC 2,agg VDC 1agg VDC 2,agg VDC 1,agg VDC 2,Admin Group 1,Admin Group 2,Admin Group 1,Admin Group 2,core1,core2,agg4,agg3,accY,accN,accY,accN,core VDC,agg VDC,Core VDCs,Aggregation VDCs,Core Devices,Aggrega

11、tion Devices,core VDC,agg VDC,Combined vertical&#horizontal consolidation in small to medium designs（2 aggregation blocks or less）Power,cooling and real estate optimization for multiple layersMaximize the benefits of a high-density platformSimplified growth migration path,core1,core2,agg2,agg1,acc2,

12、acc1,agg4,agg3,accY,accN,acc2,acc1,accY,accN,core,core,agg,agg,Core VDCs,Aggregation VDCs,Core Devices,Aggregation Devices,VDC应用模式水平+垂直整合,Device PoolingCatalyst 6500 VSS的部署模式,Data Center,WAN,Internet,Before,After,Simplifies Operational ManageabilityBoosts Non-Stop CommunicationsOptimized path select

13、ion，Increased throughputMaximize system usage，Maximize server usage，Maximizes Bandwidth Utilization,Loopfree Non-blocking TopologyLink to Service Switch or Service Appliance are vPC thus not blocking portsService devices have direct path to active HSRP peer regardless of active state Nullifies fate

14、sharing issues as service location may not be suboptimalBandwidth CapacityPaths to/from service devices are both concurrently usableOversubscription to service devices is halved,*Applicable to VSS as well,Device Pooling Nexus 7000 vPC的部署模式,Before,After,FRONT-END 网络服务虚拟化,SIA架构的优越性Service Insertion Ar

15、chitecture,Service Aware Networking,Reduced Operational Risk,Ability to test&#deploy new services with minimal traffic engineering,Reduced Operational Costs,Simplifies deployments and repurposing of services,Investment Protection,Leverage your existing Cisco networking infrastructure to adopt the SI

16、A framework,Service Virtualization,Migrate towards an on-demand services consumption model,Embed services intelligence into the network,Simplified Manageability,Ability to trace&#troubleshoot flows across multiple services,Strategic,Operational,Financial,Faster Deployment,Ability to rapidly turn on additional services,Service Insertion Architecture（SIA）一览,Today,SIA-Enabled,Topology based traffic steeringVLAN&#VRF stitchingWCCP,PBR,Src-NATStatic,distributed configurationProliferation of VLANs/VRFsPer con