stream-d-roth

MichaelRoth-VicePresidentR&DEU-JapanWorkshop,Brussels,April18th2013NeedtoextendVirtualizationtoOpticalTransportDomain©2013ADVAOpticalNetworking.Allrightsreserved.Confidential.22Outline•Introduction–ONEEUProject•OpticalNetworkVirtualization•Prospects,Challenges&Solutions•Summary©2013ADVAOpticalNetworking.Allrightsreserved.Confidential.33ChallengesinMultivendorsetupCiscoIP-NMS/OSSJUNIPERIP-NMS/OSSCienaT-NMS/OSSMulti-layerinteroperabilityproblemMulti-vendorinteroperabilityproblemALUIP-NMS/OSSADVAT-NMS/OSSALUT-NMS/OSS©2013ADVAOpticalNetworking.Allrightsreserved.Confidential.44ONEProject©2013ADVAOpticalNetworking.Allrightsreserved.Confidential.55Software-DefinedNetworks(SDN)SDO+SDN=Software-DefinedOpticalNetworks(SDON).©2013ADVAOpticalNetworking.Allrightsreserved.Confidential.66SoftwareDefinedNetworking•Software-definednetworking(SDN)isacurrenttrendforfutureNetworkdevelopmentofanykind•Keyobjective:VirtualizethenetworkandconvergetheorchestrationofthevirtualizednetworkswithVMsinthedatacenterstocreateatruenetwork-supportedCloud•Keycomponent:Openinterfacebetweena(centralized)controlandtheforwardingplaneforSDN.•Onepossiblesolution:OpenFlow(definedbyONF)•Focusedonpacketnetworks–emergingtoTransport•Assumed/hoped/dreamedkeybenefits:•Simplicity•Vendorindependency•Reducedcosts(CAPEX&OPEX)•CompleteNetworkoverview•SimplifiedOperation•…©2013ADVAOpticalNetworking.Allrightsreserved.Confidential.77OpticalOpenFlowGMPLSfunctionscanaugmentOpenFlowtomaskopticallayercomplexity.CooperationwithFirstROADM-basedOpenFlowNetworkingTestbed©2013ADVAOpticalNetworking.Allrightsreserved.Confidential.88Virtualization©2013ADVAOpticalNetworking.Allrightsreserved.Confidential.99CloudDataCentersVirtualizationisakeyconcepttopoolservers,storageandappliancesandsharetheminaflexibleanddynamicway.VirtualserverVirtualnetworkVirtualstorageOrchestrationofIT&networkresourcesStoragepoolFabricinterconnectServerpool©2013ADVAOpticalNetworking.Allrightsreserved.Confidential.1010NetworkVirtualization-DefinitionAnyformofpartitioningorcombiningasetofnetworkresources,andpresentingitinanabstractedformtouserssuchthateachuser,throughhissetofresources,hasaunique,separateviewofthenetwork.[Wangetal.,JLT,12/2012]User:Datacentertenants,virtualmachines,workloadsorapplications.Resources:Fundamental(nodes,links)orderived(topologies),canbevirtualizedrecursively.Requirements:Userisolation,configurationindependence,elasticityandprogrammability.VirtualNetwork1VirtualNetwork2Networks1&2©2013ADVAOpticalNetworking.Allrightsreserved.Confidential.1111UseCasesBandwidthcalendaringCloudburstingSecuremulti-tenancyWorkloadbalancingTransactionalnatureofDC-to-DCtraffic(bulkdatatransfers)offersopportunitiesforopticalbandwidth-on-demand.CloudDCPrivateDatacentersTenant1Tenant2LoadLoad©2013ADVAOpticalNetworking.Allrightsreserved.Confidential.1212OpticalVirtualizationChallengesPacketSwitchOpticall-SwitchSignalformatDigitalelectronicAnalogopticalSignalstructureEthernetframesSignaldependentPayloadvisibilityYesNoTopologydiscoveryIn-band(e.g.LLDP)Out-ofband(e.g.OSC)FabricconnectivityAny-to-anyConstrainedPathfeasibilityImplicitDep.onsignalqualityPathset-upAnyorderSequentialAnalognatureandswitchingconstraintsmakeopticalnetworksdifficulttovirtualize.©2013ADVAOpticalNetworking.Allrightsreserved.Confidential.1313OpticalVirtualization–TwoExtremes•Virtualizationonfundamentallevel•Allnodesandlinksareexposed•Directhardwarerepresentation•Highestflexibilityfortenants/applications•Usersneedtocontrol/understandopticallayer•Virtualizationonhighestderivedlevel•Networkabstractedasonelargeswitch•Canbel-,circuitorpacketswitch•Usersseeswitchasblackbox•Internalstructure&opticallayerarehiddenCompromisenecessary:Hidingopticalcomplexitywhileexposingtopology.©2013ADVAOpticalNetworking.Allrightsreserved.Confidential.1414OpticalVirtualization–SDNControlAbstractionTopologyDBFlowDBConfigurationPathComputeProvisioningPolicyManagerResourceDBFault&alarmsAccountingPerformanceSecurityManagementPolicyDBControlResourceMgrDatabaseTopologyDiscNetworkControllerNetworkHypervisorRestfulAPIwithExtensionsvNetworkControllervNetworkControllerPhysicalressourcesDerivedtopology©2013ADVAOpticalNetworking.Allrightsreserved.Confidential.1515TheneedforflexibleopticalnetworksSTRAUSSEU-JapanProject•Fixed-gridDWDMtransportnetworks,electricalpacketswitchingandaggregationtechnologiesarenotefficientfordataratesbeyond100Gbps.•Elasticopticalnetworks(EON)andopticalpacketswitching(OPS)arekeytechnologiesforaddressingtheseissues15DataCenterEthernetSwitchOPSBVTDataCenterEthernetSwitchOPSBVTElasticopticalnetworkServiceAServiceBServiceCServiceAServiceBServiceC©2013ADVAOpticalNetworking.Allrightsreserved.Confidential.1616STRAUSSoverallarchitecture16©2013ADVAOpticalNetworking.Allrightsreserved.Confidential.1717GeneralizedarchitecturefordynamicinfrastructureservicesOpenFlowinEurope–LinkingInfrastructureandApplicationsTowardsAutomatedInteractionsbetweentheInternet&Carrier-GradeManagementEcosystemResearchActivities©2013ADVAOpticalNetworking.Allrightsreserved.Confidential