下一代数据中心.ppt

下一代数据中心下一代数据中心 园区的覆盖园区的覆盖 个人终端的接入个人终端的接入 传统以太网交换机传统以太网交换机 可运营的要求可运营的要求 和其它接入技术的整合和其它接入技术的整合 PON / DSL / PON / DSL / 无线无线 其它其它: MVR / HNG: MVR / HNGME SwitchME SwitchAgendaAgendaData Center Eternet Data Center Eternet 可以可以 一一Data Center Ethernet Data Center Ethernet 可以可以 二二Data Center Ethernet Data Center Ethernet 可以可以 三三AgendaAgenda什么是 “网络虚拟化” ? 答案一NetworkNetworkCloudCloud FCoE VSS VPC OTV & FEX 什么是 “网络虚拟化” ? 答案二NetworkNetworkCloudCloudNetworkNetworkCloudCloudNetworkNetworkCloudCloudNetworkNetworkCloudCloud VDC SDR Virtual Network CTS & Role based 什么是 “网络虚拟化” ? 答案三NetworkNetworkCloudCloudNetworkNetworkCloudCloud多核多核CPUCPUNetworkNetworkCloudCloudNetworkNetworkCloudCloudNetwork CloudNetwork CloudCPU CPU 通讯的自动网络生成通讯的自动网络生成新增处理能力的自归属新增处理能力的自归属故障冗余时的网络自归属故障冗余时的网络自归属 VN-Tag VN-Tag VN-Link VN-Link VN-Switch VN-Switch CloudsThin clients, Virtual DesktopsPartitioning, PoolingSwitching, ProvisioningVirtual Machines, ClusteringExpanding VirtualizationServer Consolidation And Virtualization Are #1 & #2 Spending PrioritiesServer Consolidation And Virtualization Are #1 & #2 Spending PrioritiesSource: Goldman Sachs CIO SurveySource: Goldman Sachs CIO Survey10% of server workloads virtualized in 2008; forecast to be 50%-60% in 10% of server workloads virtualized in 2008; forecast to be 50%-60% in next 5 years next 5 years Source: Industry analyst reportsSource: Industry analyst reportsDesktop Virtualization Gaining Traction as Tool to Address Desktop Desktop Virtualization Gaining Traction as Tool to Address Desktop Manageability, Security and CostManageability, Security and CostSource: Goldman Sachs IT Spending SurveySource: Goldman Sachs IT Spending SurveyIncreasing Use of VMotion and DRS resulting in Multiplicative Increase in Increasing Use of VMotion and DRS resulting in Multiplicative Increase in ComplexityComplexitySource: CiscoSource: CiscoCPUCPU组合组合LANLAN网络网络WANWAN网络网络Intelligent L2 DomainIntelligent L2 Domain网络虚拟化对思科的意义 提供支持虚拟化的新设备，加快中、高端用户的更新速度；拓展市场； 狙击以低价策略来获得市场份额的二、三线厂商 整合服务器虚拟化、存储虚拟化的网络解决方案 满足Web 2.0 、云计算等新应用的网络方案此页仅供此页仅供内部参考内部参考网络虚拟化 带给中国用户 和新一代的应用相互匹配的网络虚拟化技术：分布式的计算、集中式的管理、动态的组织 利用虚拟化技术可扩大资源的共享和利用率，从而延长系统的生存期；降低无谓的能源消耗 网络的整合： Like SAN/IB/LAN 的集成 etc. 快速的部署、灵活的调度 更灵活、更易管理的系统架构DC 2DC 2DC 1DC 1WANWANBackBoneBackBoneConfigure L2 Configure L2 ServicesServicesConfigure Configure Network &Network &ServicesServicesAllocate Allocate AvailableAvailableServerServerImage Image HypervisorHypervisorConfigureConfigureVSANVSANApplicationApplicationAcross DCAcross DCDC 2DC 2Resource PoolResource PoolTrading Trading APPAPPIB IB APPAPPIB IB APPAPPTodayTodayAutomated1-2 years1-2 yearsCloud Computing3-5 Years3-5 YearsReduce TCOIncrease utilization and flexibilityReduce sprawl, power, coolingImprove BC/DRCoordinate across DCReduce complexityIncrease responsivenessImprove policy complianceDynamic InfrastructureResourceEfficiencyPervasiveVirtualized Applications on the NetworkConsolidated & VirtualizedVirtualization 1.0Virtualization 1.0Virtualization 2.0Virtualization 2.0AgendaAgendaI/O consolidation Phase 1 (Mid 2008)Reduction of server adaptersSimplification of access layer & cablingGateway free implementation fits in installed base of existing LAN and SANL2 Multipathing Access DistributionLower TCOFewer CablesInvestment Protection (LANs and SANs)Consistent Operational ModelToday:Parallel LAN/SAN InfrastructureInefficient use of Network Infrastructure5+ connections per server higher adapter and cabling costsAdds downstream port costs; cap-ex and op-exEach connection adds additional points of failure in the fabricLonger lead time for server provisioningMultiple fault domains complex diagnosticsManagement complexityEnhanced Ethernet and FCoEEnhanced Ethernet and FCoEEthernetEthernetFCFCLANSAN BSAN ATodayTodayI/O Consolidation with FCoEI/O Consolidation with FCoELANSAN BSAN ANexus 5000Enhanced Enhanced Ethernet FabricEthernet FabricFCoEFCoEStorageStorageFCoEFCoE Direct attached FCoE Storage Unified FCoE network environment Maintains architecture of SAN separation for high availability 我觉得还可以更优化 Enhanced Ethernet and FCoEEnhanced Ethernet and FCoEFCoE StorageFCoE StorageInitiator SpeedInitiator SpeedTarget SpeedTarget SpeedData ThrougputData ThrougputPer I/O NodePer I/O NodeGigabit EthernetGigabit Ethernet112-118MBpsGigabit Ethernet10 Gigabit Ethernet325-350MBps10 Gigabit Ethernet10 Gigabit Ethernet10 Gigabit Ethernet10 Gigabit Ethernet700-1100MBps700-1100MBpsIB SDR - IPoIBIB SDR - IPoIB350-375MBpsIB SDR IPoIBCM (ofed 1.2)IB SDR IPoIB (ofed 1.2)525-575MBpsIB SDR SDPIB SDR - SDP590-625MBpsIB DDR IPoIBIB DDR IPoIB350-375MBpsIB DDR IPoIBCM (ofed 1.2)IB DDR IPoIB (ofed 1.2)525-700MBpsIB DDR IB DDR SDP SDPIB DDR IB DDR SDP SDP920-1150MBps920-1150MBpsSockets APISockets APIMPIMPITCPTCPSDPSDPOFED 1.2OFED 1.2MPIMPIOFED 1.2OFED 1.2IPIPIPoIBIPoIBGEGE10 GE10 GE10 GE 10 GE with with OffloadOffloadSDR IBSDR IBDDR IBDDR IBSDR IBSDR IBDDR IBDDR IB10G10GLLELLEMVAPICHMVAPICHOMPIOMPILatency (us)Latency (us)35.325.89.020.314.310.08.83.823.293.32Bandwidth Bandwidth MB/sMB/s118121412195607278961033122013541351CPUCPU9%25%25%23%26%27%28%25%25%25%Ready 的情况 TOE & SAN 的协处理 10GbE 和InfiniBand 的带宽比较 10GbE L2 交换机的低延迟 Cost vs 性能 Server Cluster 被市场认同AgendaAgendaSupercomputerNetworked SupercomputerSupercomputer performance at a fraction of the costClusters of Industry standard Servers HPC applications are demanding of network resources Storage volumes measured in Peta-Bytes of Data Real-time Visualization in the 1000s of Mbps CPU efficiency can demand network latency of 10ms latencyLatencyLatencyBandwidthBandwidthLowerLowerData MiningData MiningTransactionalTransactional(Database)(Database)Tightly CoupledTightly CoupledLoosely CoupledLoosely Coupled MultiStage Crossbar with VoQMultiStage Crossbar with VoQ 高密度的GE/10GE 接口 高带宽支持大吞吐量 全新设计的全新设计的DCE ASICDCE ASIC 高速的L2 转发能力 Cut-Through 低延迟的转发 网卡的协处理引擎网卡的协处理引擎 TOE FC 协处理 DCE DCE 对FCoE的支持 快速的网络收敛 位于北美的某世界位于北美的某世界500500大大HPC HPC 之一之一 N7K + N5k = CLOS Parallel FS L2MP VDC for East-West Flow 位于欧洲的某气象位于欧洲的某气象HPCHPC 高密度的10GE 接口 FCoE DCE Low LatencyAgendaAgenda Service blade: 65xx now. Service blade: 65xx now. L2 & L3 L2 & L3 的功耗的功耗 单机架的功耗容限单机架的功耗容限 ( (无水冷门无水冷门 以及上送风以及上送风空调空调) ) Cloud ComputingCloud Computing Blade switch Blade switch RBACL & CTSRBACL & CTS L2 Forwarding Enhancements小憩片刻小憩片刻 HPC Applications fall into 3 broad classifications: Tightly coupled applications Tightly coupled applications Frequent IPC exchange latency sensitive, bursty traffic profiles Loosely coupled Loosely coupled Little or no IPC traffic typically latency insensitive, Bandwidth may be a consideration for data set download Parametric Execution Applications: Parametric Execution Applications: no IPC traffic latency insensitive, Bandwidth may be a consideration for data set downloadThe Application drives HPC Network technology & Design HPC has four connectivity requirements User, Storage, Management and Interprocess communication (IPC) Each Connectivity type has differing requirements Security, performance, QOS, Availability InfiniBand, Ethernet and Fiber Channel may all play a role in an HPC solution Understanding Application requirements is key to designing scalable HPC