6/19/2021SDN industry chainSDN Industry ChainVendorCategorySituationCentecNetworksOpenFlowswitcheshaveCentec Networks,beenwidelyusedbyresearchinstitutesinChipmanufacturerBroadcomChina;BroadcomhaslaunchedSDNchipsolution.Ciscoprovidesopennessofsomesoftware;NetworkequipmentCisco,Huawei,EricssonHuaweihasaddedOpenFlowsupportonAlcatel-Lucentmanufacturerhardwaredevices.IBM,HPITsupplierIBMandHPofferOpenFlowcontrollersNiciratakesalead.ItsvSwitch-based networkInnovationNicira,Big SwitchvirtualizationplatformisservingcompaniescompanysuchasAT&T,eBayFidelityandRackSpaceAalto UniversityTopic 16SDN OvervietA?https:llyoutu.belepOo-SNuxoEngineering1111GrowingCommunityProviders and business-unitCompanies in the SDN SectorWCPBTGoogleSoftware Defined Networkivello.sceZclsebLyatiss Ca ORACLEvmwareUvelloblgswtchJunPEverizonPLUMPLEONew Relic.TBMPICAgsmbrane@aARISThpINTERNET.NECLevel(3)JuniPersePLEkiPICAOORACLMicrosoftPCmworemidNLR-anutainetwerksWelCYANoelseobpdocomoTBMOUAMUintelIBMunpeA0SoftwareDefined Storagefacebookamazon.comSnexentaEMCinMageCaboxrDataCoregrvenorrNetAppredhatVvelloSOLIDFREMore...CHECKSAFEAalto UniversityA?5G:AREVOLUTIONINTHEMAKING-PATVI-THEECOSYSTEMSchool of Electricahttps.//www.eitdigital.eunewsroom/b/og/article/5g-a-revolttion-in-the-making-pat-vi-the-ecosystemnn12126
6/19/2021 6 SDN industry chain 11 Topic 16 SDN Overview https://youtu.be/epOa0-SNJx0 12 Growing Community Providers and business-unit More. 5G: A REVOLUTION IN THE MAKING - PAT VI - THE ECOSYSTEM https://www.eitdigital.eu/newsroom/blog/article/5g-a-revolution-in-the-making-pat-vi-the-ecosystem/ 11 12
6/19/2021SDNDeployments:NTTCommunications“BizHostingEnterpriseCloud”UsesProgrammableFlowforCloudNetworkConfigurationAllowsintegratedmanagementofgloballydistributeddatacentersProvisioning ofinter-DC connections within minutesDCNW0DCNWDCNWPgafNetworkDCNWProgrAaltoUniyA2Engineering1313NipponExpress:CostSavingBenefitUnit SpacePower Consumption(core switch rack space)KW033525532670%80%102.5ExistingNetworkProgrammableFlowExistingNetworkProgrammableFlowOutsourcing FeeFailureRecoveryTime(for network configuration change)SecondsSH90K1005050100%398%2010ExistingNetworkProgrammableFlowExistingNetworkProgrammableFlowAaltoUnikchoolof Electricaln1414
6/19/2021 7 13 SDN Deployments: NTT Communications “BizHosting Enterprise Cloud” ▐ Uses ProgrammableFlow for Cloud Network Configuration ▐ Allows integrated management of globally distributed data centers ▐ Provisioning of inter-DC connections within minutes Virtual Network DC NW DC NW DC NW DC NW 14 Nippon Express: Cost Saving Benefit Unit Space Outsourcing Fee Power Consumption Failure Recovery Time 32 10 35 30 25 20 15 10 5 0 Existing Network ProgrammableFlow (core switch rack space) 70% 15 10 5 0 U KW Existing Network ProgrammableFlow 80% 14 50 2.5 1 98% 60 50 40 30 20 10 0 Seconds 100 75 50 25 0 $K 90K 0 100% Existing Network ProgrammableFlow Existing Network ProgrammableFlow (for network configuration change) 13 14
6/19/2021What can SDN do?Aalto UniversityEngineering1515VirtualizingthePhysicalNetworkFabricOn-demandcreate/edit/deletevirtualnetworksCLI/GUI/APIbasedcontrolVirtual networks independent of physical infrastructureVirtualVirtualVirtual1Network2NetworkNetworkNetworkVirtualizationPlaneSDN/OpenFlowControlControllerAnyinterconnectiontopologySDN/OpenFlow--Capable SwitchAalto Universitychool of ElectricalSDN/OpenFlow-CapableSwitch16168
6/19/2021 8 15 What can SDN do? 16 Virtualizing the Physical Network Fabric ▐ On-demand create/edit/delete virtual networks ▐ CLI / GUI / API based control ▐ Virtual networks independent of physical infrastructure Any interconnection topology SDN/OpenFlow-Capable Switch Network Virtualization Plane Control Virtual Network 1 Virtual Network Virtual Network 2 3 SDN/OpenFlow Controller SDN/OpenFlowCapable Switch 15 16
6/19/2021NetworkIsolationL2 NetworkL3 NetworkNoVTNFullSeparationno connectivity!"Default-off NetworkVirtualNetwork2VirtualNetwork1VM2NVM5L2CorL3Conectivity.uvity.NetworkVirtualizationPlaneOneaaaregatednetworkviewand controNetworkFabricAalto UniversityEngineering1717Policy-BasedApplianceInclusionTrafficcanbeexplicitlyroutedtoanyapplianceSelectiveforwardingpossible(e.g.,Webonly)Anykind ofappliancepossible:FW,LB,IDS,DPl, ..Multipleappliancescanbecomposed!Aalto UniversitylectricahoolotE18189
6/19/2021 9 17 Network Isolation Virtual Network 1 Virtual Network 2 VM1 VM2 VM3 VM4 L2 Connectivity L3 Connectivity Full Separation L2 Network L3 Network Network Virtualization Plane One aggregated network view and control Network Fabric VM5 No VTN → no connectivity! “Default-off Network” 18 Policy-Based Appliance Inclusion ▐ Traffic can be explicitly routed to any appliance ▐ Selective forwarding possible (e.g., Web only) ▐ Any kind of appliance possible: FW, LB, IDS, DPI, . ▐ Multiple appliances can be composed 17 18
6/19/2021Virtual Machine MobilityEXVMETenantAuserTenantAVMVMMigrationTenantAPVMOFS3Aalto UniversityEngineering1919ImprovedResourceUsageTrafficload-balancingviamultiplepathsSupports any interconnect topologyCompatiblewithloopsintopologyNodistributedprotocolsnecessaryXXXoPhysical NetworkAalto UniversityAofElectrica001202010
6/19/2021 10 19 Tenant A VM OFS 3 OFS2 OFS 4 OFS 1 VM Migration Tenant A user Traditional Switch Virtual Machine Mobility Tenant A VM VTN Ext VM 20 Improved Resource Usage ▐ Traffic load-balancing via multiple paths ▐ Supports any interconnect topology ▐ Compatible with loops in topology ▐ No distributed protocols necessary Physical Network 19 20