VPNs贝锐sdwan官网

AuthorLarryHornerSolutionArchitectIntelGroupSoftware-DefinedWANrunningonInteltechnologyenablesCommunicationsServiceProviderstoextendnetworkcoverage,introducenewvalue-addedservicestocompetewiththrough-the-networkproviders,anddifferentiateMPLSservicesTapintoNewRevenueStreamsExecutiveSummaryEnterprisesareincreasinglylookingtoSoftware-DefinedWAN(SD-WAN)tosimplifybranchofficenetworking.
SD-WANgivesenterprisesgreatercontrolbyallowingthemtointelligentlyrouteInternetandlowprioritytrafficoverconsumer-gradebroadbandratherthanMultiprotocolLabelSwitching(MPLS)andothermanagednetworks.
Enterprisescanalsodynamicallychangetheirbandwidthrequirementstoavoidoverprovisioning,andthusoverpaying.
Bydoingso,theycanlowerthetotalcostofownership(TCO)oftheirWANandmaintaintheirsamelevelofservicewithoutsacrificingquality.
FortheCommunicationServiceProviders(CSPs),however,SD-WANposesbothathreatandanopportunity.
AsincreasingnumbersofenterprisesdeploySD-WAN,theCSP'straditionalMPLSrevenueswilldeclinewithoutanoffsetinthetrafficonlowercostinterfacesortransports,orunlesstheycanofferalternative,value-added,revenue-generatingservices.
Onewaytheycandothis,isthroughofferingenterprisesSD-WANservices.
WhencombinedwithvirtualizedCustomerPremisesEquipment(vCPE),CSPscanuseSD-WANtoprovisionvirtualoverlaysontoexistingphysicalnetworkstoofferwholesalebroadbandintoplaceswheretheydonotcurrentlyhavetheirownnetworkpresence.
Theycanalsooffervalue-addedserviceslikeintegratedfirewall,withouthavingtoprocureanddeploycostlyon-sitehardware.
Enterprisesbenefitfrommorecost-effectiveWANandservicesprovisionmanagedbyasinglepointratherthanmultiplecontacts,whileCSPscanoffsetdecliningMPLSrevenues,andpossiblyofferservicesintomarketswheretheydonothavephysicalassets.
SolutionBriefServiceProviderDataCenterThissolutionbriefdescribeshowtosolvebusinesschallengesandenabledigitaltransformationthroughinvestmentininnovativetechnologies.
Ifyouareresponsiblefor…Businessstrategy:YouwillbetterunderstandhowSD-WANwillenableyoutosuccessfullymeetyourbusinessoutcomes.
Technologydecisions:YouwilllearnhowaSD-WANworkstodeliverITandbusinessvalue.
SolutionBrief|TapintoNewRevenueStreams2BusinessChallenge:MaintainingRevenueTheWANlandscapeisinflux.
Asenterprisesdiscoverthebenefitsofhybridnetworkarchitectures,runningoverCSPandconsumer-gradebroadbandnetworks,SD-WANisenteringaperiodofrapidgrowth,whilemoretraditionalhardware-basedWANsolutionsarelosingpopularity.
IDCforecastsworldwidespendonSD-WANwillreachUSD6billionby2020.
SD-WANenablesanenterprisetomakedynamicandnearreal-timechangestonetworkintheWANandthepoliciesaffectingitscommunicationstrafficbetweeninterconnectedsitesoververylongdistances.
Theenterprisecandothisthroughathird-partynetwork,orpossiblymultipleCSPnetworks.
ThishasthepotentialtoopenmarketsegmentsotherwiseprohibitedtotheCSP.
InsidetheindustrythereawidevarietyofopinionsastowhatexactlydefinesanSD-WANsolution,andwhilethereissomeefforttocreateasingleacceptedview,therearegenerallyfouressentialcharacteristicstoaSD-WANsolution.
Theseare:SupportsmultipletypesofWANinterfacessimultaneously,evenifwithinthesamephysicallayerProvidesdynamichands-offrouteselectionandmodificationoftrafficovertheseinterfacesProvidestheenterprisewithasimpleprogrammaticinterfaceforthecontrolandmanagementofpolicySupportsmultipleVPNs,firewalls,andotherCPE-likefeaturesInaddition,someSD-WANsolutionsmaysupportWANoptimizationandencryption,althoughthisisnotconsideredfundamental.
Forenterprises,SD-WANbringsmanybenefits,allowingthemtomeetsomeoftheirkeynetworkingchallengesheadon,andontheirownterms:Itenablesthemtoroutetheincreasingnumberofhybridcloudservicesandapplicationsovernon-MPLSconnectionsandmonitortheQualityofService(QoS)andlatency,revertingtoMPLSiftheperformanceofthebroadbandinterfacedegrades,allinrealtime.
Thispolicy-basedforwardingallowstheenterprisetoprioritizemission-criticalapplicationsoveremployeesstreamingcatvideos,forexampleManagementthroughsoftwareallowsenterprisestoquicklyandeasilyscaleorsetupconnectivitytoincreasingnumbersofbranchofficesandremoteusersEnterprisescanintelligentlyroutetrafficfrombandwidth-intensive,business-criticalapplications,dynamicallychangingtheratelimitoftheWANconnectionasneeded,withintheboundsoftheirlinkcapacity.
Thisallowsthemtousethebandwidththeyneed,whentheyneedit,andthenturnitoff,avoidingoverprovisioningandoverpayingWhileSD-WANisgoodnewsforenterprises–theyhavegreatercontrolovertheirnetworktrafficandcanlowercostsbyreducingtheoveralltrafficthatistransportedovercarriernetworks–itthreatenstotakeawaytraditionalMPLSrevenuefromtheCSP.
Tocompoundmatters,WANtechnologyitselfdoesn'thavealotofrevenuepotentialfromaproductdeliveryperspective.
Itisessentiallyapipe.
TheCSPs'challengeistofindvalue-addedservicesthattheycanmonetizesimplybydeliveringconnectivitytoenterprises.
Ironically,theanswermaylieinSD-WAN.
OfferCost-Effective,Value-AddedServicesfromaOne-StopShopCSPscanregainportionsoflostMPLSrevenueinvariouswaysdependingonthemarketsegmentinwhichtheyoperate.
OnewayisbyusingSD-WANtechnologytoprovisionvirtualoverlaysontoexistingphysicalnetworkssotheycanprovidewholesalebroadbandintoregionswheretheydonotcurrentlyhavetheirownnetworkpresence.
Avirtualedgeor'fogcomputing'isenabledwhenSD-WANiscombinedwithvCPE.
ThisapproachallowsaCSPtoofferwholesaleIPserviceswhereitdoesnototherwisehaveMPLSreach,provideditcanestablishaninterworkingagreement,andinsomecases,reachacrossnationalborderswithitsserviceoffering.
Thislastpointisregulatoryandnottechnical.
TherearesomecaseswheretheMPLSserviceispricedbasedonanationalregulatoryrequirementandnotdrivenbycompetitiveorbusinessfactors.
Inthesecases,CSPsmayhavegreatercontrolovertheirMPLSrevenues,whiletheenterprisecanstillassumegreatercontrolofitsWANusage.
SD-WANalsoallowstheCSPtoofferenhancedservicesinchainedfunctionsasthedemandsofcustomerschangeorexpand,throughorganicgrowthormergerandacquisition,withouthavingtoprocureanddeploycostlyon-sitehardware.
Forexample,consideronenationalgovernmentalagencywithover5,000sitesandover17separateserviceproviders.
Inthiscasetheagencyhas17differententitiesthatmanageorcontrolitscloud-basedfirewalls.
HereaCSPcouldofferoneservicethatenablesthecustomertotakecontrolofitsnetworkandbypassthecumbersometaskofcoordinatingwith17externalproviders,simplifyingfirewallmanagement.
Otherpotentialusecasesincludesecurityorsoftwarereleasepatching.
TheseusecasescanrepresentsignificantopportunityfortheSD-WAN-enabledCSP.
SolutionValue:LowerCostsandGreaterAgilitySD-WANtechnologydeliversbusiness-classandsimplecloud-enabledWANconnectionthroughopenandsoftware-basedtechnologyrunningonhighvolumeindustry-standardhardware.
ThismoreDevOps-orientedapproachallowstheCSPtoreducetheTCOofWANprovision,whilepassingcostbenefitsontothecustomer.
Thelowerhalfoffigure1showsCAPEXsavingsfromtransitioningCPEtoamodestPC-classapplianceandreplacingtheexpensivespecializedhardwareinthedataSolutionBrief|TapintoNewRevenueStreams3centerwitheconomical,high-volumeservers.
Moreover,industry-standardapplianceandserverplatformsareopen,fullyprogrammable,andtypicallymucheasiertomanageandsupportthanproprietaryhardware,resultinginsubstantialOPEXsavings.
WhencombinedwithvCPE,SD-WANallowsCSPstoofferanintegratedandcompleteplatformthatenablesrapiddeploymentofmultiplesolutions,aswellasautomatedservicedeliveryprovidedthattheCSPintegratesaprogrammablenetworkontheirsideoftheinterfaceandopensportalstotheenterprisetoenablethis.
CSPscanrolloutnewsoftware-basedmanagedserviceswithouthavingtointegratewithproprietaryappliances,reducingthetimetogetcustomersupandrunningtohoursratherthanweeksormonths.
SD-WANprovidesCSPswiththeabilitytotapintonewrevenuestreamsbymonetizingcustomersnotphysicallyconnectedtotheirnetworkandbymovingintonewmarketsegments,likesmall-tomedium-sizedenterprises(SMEs),throughwholesalebroadband,ratherthanMPLSofferings.
InsomeregionswherecompetitionfromCloudServiceProvidersislessfierce,CSPswithacloud-servicecapabilitycanalsooffercloud-basedNetworkFunctionVirtualization(NFV)-enabledservices.
SolutionArchitecture:SD-WANandvCPEbasedonIntelTechnologySeveralcompaniesareprovidingIntel-basedSD-WANsolutionstoCSPs.
TheseincludeNuageNetworks,Huawei,Riverbed,CloudGenix,AryakaNetworks,Pertino,VersaNetworks,Viptela,Velocloud,TalariandSilverpeak.
AvarietyofserverprocessorsfromtheIntelAtomandIntelXeonProcessorDfamilies,providethesepartnerswitharangeofperformancecapabilitiesforhardwareplatformssupportingsmalltolargebranches,headquarters,datacenters,andthecloud.
Seefigure2.
Figure2.
Policy-basedforwardingsupportedbySD-WANandvCPErunningonInteltechnologyThefuturewithSD-WANCloud,Internet,MPLSBranchofficeDatacenterModestPC-classapplianceAlignmentwithInternet,MPLS,broadband,etc.
Industry-standard,high-volumeserversToday'shardwarebasedWANExpensive,complexapplicanesDatacenterwithlotsofexpensivehardwareExpensiveprivatelines,notalignedwithInternetVirtualizationoftheEnterpriseCustomerPremiseEquipment(vE_CPE)SD-WANControlInternetandcloudIDSVMFirewallVMvSwitchNFViRouterVMCSP1BroadbandIPMPLS&VPNMPLs&VPNVariousCSP2EnterpriseHQRouterEnterpriseDCFigure1.
TrueSD-WANcomparedtolegacyhardware-basedWANSolutionBrief|TapintoNewRevenueStreams4IntelEthernetControllersX710extendIntelVirtualizationTechnologybeyondtheservertothenetworkwithhardwareoptimizationsandoffloadsfortherapidprovisioningofnetworks.
Theydeliveratheoreticalmaximumof80Gb/sbi-directionalthroughput(40Gb/sin;40Gb/sout),intelligentoffloadingtoenablehigh-performancewithIntelXeonprocessor-basedservers,andexcellentsmallpacketperformancefornetworkappliancesandNFV.
TheseIntel-basedhardwareplatformsenableCSPstoavoidvendorlockin,givingthemtheabilitytochoosefromarangeofvendorsandempoweringthemtodefineandpurchasestandardappliancesbasedontheirneedsandspecifications.
CSPsalsobenefitfromIntel'sreputationforhighperformancevirtualizationandpioneeringNFVtechnologies,andcanseeregularperformanceincreasesmadepossiblethroughMoore'sLaw.
ConclusionSD-WANpresentsbothathreatandanopportunitytoCSPs.
ThosewhochoosetofocuspurelyontheirMPLSrevenuesrisklosingcustomerstoanotherCSPorevenanSD-WANvendor.
TheCSPswhowillremaincompetitivearethosewhochoosetointegrateSD-WANintotheirexistingMPLSnetwork.
TheseCSPswillbeabletooffsetdecliningMPLSrevenueswithnewrevenuestreamsenabledbySD-WAN,aswellasdiversifyintonewcustomermarketsegments.
Theywillbeabletorespondmuchmorequicklytocustomerdemandfornewservices,improvingcustomerstickiness,aswellastheoverallcustomerexperience.
Additionally,asoftware-centricapproachincreasesefficiencyhelpingtheCSPtolowertheTCOofWANprovisionandstayintunewiththelatesttechnologiesandtrendstorespondtofutureshiftsintheever-changingWANlandscape.
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0617/SD/CAT/PDFPleaseRecycle336165-001ENLearnMoreThissolutionbriefispartofanentiresolutionkitofcontentthatisfullofkeyinsightsandlearnings:WhitePaper:VelocloudandIntelDeliverSD-WANSolutionsforCommsSPs:https://builders.
intel.
com/docs/networkbuilders/velocloud-and-intel-deliver-sd-wan-solutions-for-communications-service-providers.
pdfSolutionBrief:Software-DefinedWANIncreasesAgilityandLowersHardwareCostsforCommsSPs:https://builders.
intel.
com/docs/networkbuilders/software-defined_WAN_increases_agility_and_lowers_hardware_costs_for_CommSPs.
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