用于大数据可视化的SDN技术

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1、SDNpowersBigDataNetworkwithAnalyticsandVisualization用于大数据可视化的SDN技术Agenda•SDNOverview•ControllerMarket•SDNApplication2SDNDefinitions–ControlStackEvolutionPastPresentApplications5IPnetworksIPnetworksSDNNetworksClosedOpenmanagementmanagementBusinessTightlyTightly4

2、integratedintegratedstackProcess/WorkflowstackNetworNetworkNetworkkMgmtNetworkManagementManagementControl3AppsNetworkandElementManagementManagementManagementPlane(CLI,etc)PlaneController(CLI,etc)ControlPlaneControlPlane(routing)(routing)OpenProgramming2InterfacesDa

3、taPlaneDataPlaneDataPlane(packet(packet(packetprocessing)processing)DataPlane1processing)3SDNDefinitions–SoftwareDirections•NorthboundInterface•Incomputernetworkingandcomputerarchitecture,anorthboundinterfaceofacomponentisaninterfacethatconceptualizesthelowerleveld

4、etails(e.g.,dataorfunctions)usedby,orin,thecomponent•Examples:SMMP,CORBA,SNMP•SouthboundInterface•Allowsaparticularnetworkcomponenttocommunicatewithalower-levelcomponent•Example:Openflow,Netconf,SNMP•East-WestInterface•Communicatebetweengroupsorfederationsofcontrol

5、lerstosynchronizestateforhighavailability4SDNDefinitions–FrameworkSDNServices,SDNLanguageAppsAppAPIsNorthboundInterfaceEast-westInterfaceProgrammableProgrammableControlPlaneControlPlaneNetworkOSNetworkOSCarriers’InfrastructureInformationSouthboundInterfaceControlan

6、dDataPlanesSeparationDataPlane(ForwardingHardware)DataPlaneDataPlane(ForwardingHardware)(ForwardingHardware)DataPlane(ForwardingHardware)5WhySDN?–Appsvs.NetworkNetworkRequirementsHadoopFileWebBigBackupAppDataAppJobsApplications“Yes”,“No”,or“Later”App==NoRequirement

7、sHardtoEmailExpress/EnforceHelpTicketSufficientbandwidth/PhoneCallports/devices/uplink?NetworkAdminWrittendocsTimetorewriteconfigs?OrNothingImpactcurrentapps?FutureApps?Affectprovisioning?MultitudeofStatisticsMyriadCLIinterfacesEventsRouterEmergentbehaviorCapabilit

8、iesNetworkLimitedcontrolDevicesFirewalSwitchSwitchBackupHostXlServerY6WhySDN?–Express/EnforceRequirementsviaAPIOpportunityFileBackuptoApplication