cisco思科数据中心网络架构和设计指南

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1、数据中心网络架构和设计指南SessionNumberPresentation_ID©2005CiscoSystems,Inc.Allrightsreserved.CiscoConfidential1目录数据中心网络架构•ServerFarmArchitectureOverview•DesignRequirementsintheServerFarm•AccessLayerDesignModels•DensityandScalabilityImplications•ScalingB/WwithGigabitEtherChannel®and10GE•SpanningTreeDesignandScal

2、ability•HighAvailabilityintheDC•SummarySessionNumberPresentation_ID©2005CiscoSystems,Inc.Allrightsreserved.CiscoConfidential2数据中心服务器群交换架构DC-210111127_05_2005_c2©2005CiscoSystems,Inc.Allrightsreserved.3定义数据中心接入层2层,3层服务器和主机连接•L2andL3EnterpriseCorerequirements•DualandsingleattachedDCCore•Highperformanc

3、e,lowlatencyL2switching•Mixofover-subscriptionDCAggregationrequirements•Manyuplinkoptions•STPprocessingforconfiguredVLANsonly•UtilizesservicesintheaggregationlayerMainframeBladew/OSABladeL2w/ClusteringChassisw/L3Chassisw/andNICTeamingIntegratedAccessPassThruSwitchDCAccessSessionNumberPresentation_ID

4、©2005CiscoSystems,Inc.Allrightsreserved.CiscoConfidential4定义数据中心汇聚层提供共享的应用/安全服务EnterpriseCore•AggregatesaccessuplinksintoDCcore•LargeSTPprocessingload•ProvidesadvancedapplicationandsecurityfunctionsviaservicemodulesServiceModules•Maintainssessionstateandconnectiontablesforredundancy•Whataretheseserv

5、ices?MainframeBladew/OSABladeL2w/ClusteringChassisw/L3Chassisw/andNICTeamingIntegratedAccessPassThruSwitchDCAccessSessionNumberPresentation_ID©2005CiscoSystems,Inc.Allrightsreserved.CiscoConfidential5定义数据中心汇聚层集成服务Layer4–7Services:FW,SLB,SSL,IDS•Applicationandsecurityservicescanbedeployedas:Appliance

6、sServiceblades•Servicebladessuchasfirewallbladesandloadbalancingblades…providehardware-basedstatefulfunctions•Integratedbladesoptimizerackspace,cablingandconfigurationmgmt•ProvidehighestflexibilityandeconomiesofscaleSessionNumberPresentation_ID©2005CiscoSystems,Inc.Allrightsreserved.CiscoConfidentia

7、l6定义数据中心汇聚层服务器之间的通信路径WhatTypesofServertoServerTrafficWillExist?Multi-TierInteraction,Backup,Replication,ClusterMessaging,StorageoverIPDCCoreAggregationAccess•Theaggregationmodulemayprovidetheprimaryco