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SwitchLight ThinSwitchingforBareMetalPhysicalandVirtualSwitches SwitchLightisaLinux-based,thinswitchingsoftwaresolution.SwitchLightprovidesconsistentdata planeprogrammingabstractionsacrossmerchantsilicon-basedphysicalswitchesandhypervisor vSwitches.SwitchLightcanbeinstalledonavarietyofphysicalswitchplatforms,includingBroadcom’shigh performanceswitchingsiliconaswellasvariousLinuxdistributionsutilizingtheKVMhypervisoronIntelx86platforms. SwitchLightisakeyenablingtechnologyforBigSwitchNetworks’centralizedSDNapplications,andcomesintwo flavors: • SwitchLightOSisacompleteSDNoperatingsystemforbaremetalphysicalswitches,basedonOpenNetwork Linux(ONL),anopensourceeffortwithintheOpenComputeProject. • SwitchLightVXisauserspacesoftwareagentforKVM-basedvirtualswitchesthataddsadvancedfunctionality andimprovedperformanceontopoftheOpenvSwitchkernel. Together,theSwitchLightOSandSwitchLightVXenablenextgenerationunifiedP+V(physical+virtual)fabricsfor moderndatacenters.InconjunctionwithacentralizedSDNcontroller,SwitchLightenablesdramaticreductionsinthe costofyournetworkoperationsandeliminatestime-consuming,manualproceduresbyenablingcentralprovisioning, automationandtroubleshootingofbothswitchingplatformsandservicedefinitions. Asshowninthegraphictotheleft, SwitchLightsoftwareprovidesa commoninterfaceforprogrammingL2 andL3dataplaneforwardingrulesand policiesontophysicalswitchesaswell asvirtualswitches.Thecentralized SDNcontrollerapplicationproactively pushestheoptimizedforwardingrules andpoliciestotherelevantnodesin thenetworkfabric.TheBigSwitch agentsupportsOpenFlowv1.3with openextensionsontheswitchesand, inturnprogramstherulesandpolicies downtotheASIC-basedforwarding tables(physicalswitches)orOpen vSwitchsoftwareforwardingtables (virtualswitches). ©BigSwitchNetworks1 SwitchLight BasedonOpenNetworkLinux(ONL) SwitchLightOSisthecommercialSDNswitchingsoftwarefromBigSwitchNetworks.ItbuildsupontheOpenNetwork LinuxdistributionavailablewithintheOpenComputeProject. • ONListheopensourceLinuxoperatingsystemdistributionfor"baremetal"Ethernetswitchhardware.By separatingsoftwareandhardwareprocurementaswellasdeploymentdecisions,ONLbringstheserveror computeindustrymodelstothenetworkinginfrastructure. ONLisabase-leveloperatingsystemandprovidesamanagementinterfacetotheswitchinghardware.ItusestheOpen NetworkInstallEnvironment(ONIE)toinstallontoon-boardflashmemory.ThecomponentsinastandardONL distributioninclude:DebianLinuxkernel,setofdevicedrivers,installationscriptsandanet-bootcapablezerotouch networkingbootloader,customizedwithenhancednetworkbootfunctionalityforavarietyofbaremetalswitch devices.ONLalsoincludesseveraladvancedfeaturesthatoptimizeheadlessswitchoperations,andimproved performancebyminimizingwritestoflashmemory. DesignedforMigrationtoSDN Byleveragingtheemergingindustry standardONIEandONL,andahardware compatibilitylistsharedacrossthebare metalswitchingecosystem,SwitchLightis designedwithmigrationinmind.On startup,ausercanopttobootupeither theSwitchLightOS,traditionalnetworking OSsfromothervendorsorahardware diagnosticOS.Therearenohardwareor cablingchangesrequiredtogobetween controller-basedandtraditionalbox-byboxnetworkingdesigns--asimple,lowriskmigrationpathtoSDN. BigSwitchsupportsthefollowingprocurementandinstallationmodelsforSwitchLightOS: • Orderswitchinggearpre-installedwithSwitchLightOSasapartofSDNProductsdeployment • Install the Switch Light OS on existing or separately procured hardware switches as a part of SDN Products deployment. Foracompletelistofsupportedhardware,pleaseconsulttheHardwareCompatibilityList. AboutBigSwitchNetworks Big Switch Networks is the market leader in bringing hyperscale data center networking technologies to a broader audience. The companyistakingthreekeyhyperscaletechnologies—OEM/ODMbaremetalandopenEthernetswitchhardware,sophisticatedSDN control software, and core-and-pod data center designs—and leveraging them in fit-for-purpose products designed for use in enterprises,cloudprovidersandserviceproviders.Foradditionalinformation,[email protected],follow@bigswitchorvisit www.bigswitch.com. ©BigSwitchNetworks2