云就绪数据中心参考架构-en

REFERENCEARCHITECTURECopyright©2011,JuniperNetworks,Inc.1CloUd-REAdydATACENTERREFERENCEARCHITECTURE2Copyright©2011,JuniperNetworks,Inc.REFERENCEARCHITECTURE-Cloud-ReadydataCenterReferenceArchitectureTableofContentsIntroduction....................................................................................................4Scope..........................................................................................................4Framework......................................................................................................4TheImportanceofdataCentersandTheirInfrastructures.......................................................4AdataCenterbyAnyotherName..............................................................................4SupportingEnterpriseandClouddataCenters..................................................................5SolutionProfileoverview........................................................................................5KeyTrendsinToday’sdataCenter................................................................................6EvolvingBusinessApplicationArchitectures....................................................................6ServerVirtualization...........................................................................................6ReducingopEx................................................................................................6ProtectingAgainstSecurityThreats............................................................................6ConvergenceofFibreChannelandEthernetNetworks............................................................7Requirements....................................................................................................7FunctionalAreasintheCloud-ReadydataCenter.................................................................8Juniper’sApproachtoaCloud-ReadydataCenter.................................................................9NetworkInfrastructure...........................................................................................9ApplicationTrafficFlows......................................................................................10SimplifiedNetworkInfrastructure..............................................................................10distributeddataCenters......................................................................................10Juniper’sApproach............................................................................................11ComputeandStorageInfrastructure.............................................................................11IntegratingVirtualServerInfrastructure.........................................................................12I/oConvergence..............................................................................................13FibreChannelandFCoE.......................................................................................14Juniper’sApproach............................................................................................14Services........................................................................................................16SecurityServices..............................................................................................17ApplicationServices...........................................................................................21Juniper’sApproach...........................................................................................22Management,orchestration,andAutomation...................................................................24ProfileofanEffectiveorchestrationPlatform..................................................................25ManagementInfrastructureSupportingCloud-levelorchestration..............................................25Juniper’sApproach...........................................................................................27JunosSpace⎯Juniper’sopenNetworkorchestrationPlatform...................................................27AutomationBasedonJunosoS...............................................................................28Copyright©2011,JuniperNetworks,Inc.3REFERENCEARCHITECTURE-Cloud-ReadydataCenterReferenceArchitectureTableofFiguresFigure1.datacenterreferenceframework.........................................................................8Figure2.Referencearchitecturenetworkinfrastructure............................................................10Figure3.Computeandstorage...................................................................................12Figure4.ConsistentmanagementofthephysicalandvirtualnetworkfromJunosSpace.............................15Figure5.Servicesfunctionalarea................................................................................16Figure6.Flowtypesinthenewcloudinfrastructure..............................................................18Figure7.Management,orchestration,andautomation.............................