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1、#CiscoLive#CiscoLiveRob Piasecki,Principal ArchitectChris Olson,Senior Systems ArchitectMarty Fierbaugh,Principal ArchitectBRKSPG-2039Architecting Modern Broadband Networks 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveEnter your personal notes hereCisco Webex App Questi
2、ons?Use Cisco Webex App to chat with the speaker after the sessionFind this session in the Cisco Live Mobile AppClick“Join the Discussion”Install the Webex App or go directly to the Webex spaceEnter messages/questions in the Webex spaceHowWebex spaces will be moderated by the speaker until June 9,20
3、23.12343https:/ 2023 Cisco and/or its affiliates.All rights reserved.Cisco PublicBRKSPG-20393Agenda 2023 Cisco and/or its affiliates.All rights reserved.Cisco PublicWhy a Modern Design Approach?Evolved Network ArchitectureEdge Cloud and ComputeSubscriber EdgeConclusionBRKSPG-20394Why a modern design
4、 approach?2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveWhats Driving the Need for Broadband Network Transformation?8K and 12K VideoImmersive experience requires pushing streaming content distribution closer to the subscriber Augmented/Virtual RealityBusiness to consumer
5、 applications and advertising evolve to create a more realistic experience.Examples:Retail,real estate,social mediaEnhanced Gaming ExperienceLow latency,high bandwidth,application-layer coordination with Service Provider networksEnhanced Business ServicesBusiness quality access to collaboration tool
6、s and applications,SD-WAN SLAsBRKSPG-20396 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveThe Exponential Growth of the Internet&Broadband ServicesOne grain of rice2,147,483,648 grains of riceMt.Everest of riceThe Story of the Emperor,Inventor,and the Game of ChessBRKSPG-
7、20397 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveBroadband StrategyThe Second Half of the Chess Board The need for broadband network transformation20 xincrease in data demand by 2032,driven by metaverse and streaming video1 75%of people think hybrid work requires broa
8、dband services to improve dramatically475%of enterprise-generated data will be created and processed at the edge by 2025229.3Bnetworked devices in 2023 up from 18.4B in 2018550%average percentage of CSPs total OpEx will be network-related3Sources:1:A Guide to the Next-Gen Internet,Credit Suisse,2022
9、|2:Gartner analysis|3:Telco Opex Analyzer,2016-21,MTN Consulting|4:Cisco Global Broadband Index 2022|5:Cisco Annual Internet Report,2018-2023|6:MTN Consulting analysis10%growth in power consumption by network operators in 20216This is a demand-side view.Is it how the broadband market really works th
10、ough?BRKSPG-20398 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveInnovation in Network ArchitecturesBroadband Network TransformationBroadband networks have not kept pace with the innovationBroadband networks have not kept pace with the innovationInnovations in ASIC Design
11、Innovations in ASIC DesignOptimized forwarding performance and costBifurcation of routing and switching siliconMassive reduction in power consumptionShared memory architecture for higher scaleNetwork ProgrammabilityNetwork ProgrammabilityIntent-based underlay network to build servicesSegment Routing
12、 and network slicingCentralized view of network topology(controller)Simplified configuration and resiliencyAutomation and SoftwareAutomation and SoftwareUntangling the complexity of integrationDisaggregation of hardware and softwareWell defined APIs between systemsNative platform data models,open/in
13、dustry modelsOptical and Optic InnovationOptical and Optic InnovationConverging optical and IP networksShift in economics cost moving to the transceiverCoherent optics extending reach and bandwidthTraffic demands almost entirely packetBRKSPG-20399 2023 Cisco and/or its affiliates.All rights reserved
14、.Cisco Public#CiscoLiveTraditional access network architectureVendor-proprietary interfaces and lock-in of ONT and CPEDisparate network underlays with limited SLA differentiationResource management complexity Challenges in achieving fill rate and return on infrastructure investmentWhy there is a nee
15、d for broadband network transformationLack of innovation has led to and what a new,better way looks likeSoftware-defined access network architectureOpen interfaces with well-documented APIs,and open ONT/CPE choiceNetwork underlay with policy intent to differentiate services based on subscriber exper
16、ienceAutomation of infrastructure and service provisioningPay as you grow,and ease of capacity management and planningDifficult to fully monetizeEnables new,innovative business models BRKSPG-203910 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveIntroducing Cisco Silicon O
17、neA New Silicon ArchitectureIndustry LeadingRouter on a ChipCisco Silicon OneDelivers Performance Without CompromiseONE Unified Silicon ArchitectureComprehensive routing with switching efficiencyMultiple segments:web and service providerMultiple functions:system-on-a-chip,line card,and fabricMultipl
18、e form-factors:fixed or modular First routing silicon to break 10Tbps barrierLeading performance over current industry routing silicon2x more power efficientGlobal route scale,deep buffering,P4 programmableInnovations in ASIC DesignInnovations in ASIC DesignOptimized forwarding performance and costB
19、RKSPG-203911 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveCisco Silicon One FamilyInnovations in ASIC DesignInnovations in ASIC DesignOptimized forwarding performance and costBRKSPG-203912 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveSegmen
20、t Routing provides complete control over the forwarding paths by combining simple network instructions.It does not require any additional protocol.Indeed,in some cases it removes unnecessary protocols simplifying your networkSimplicity Always PrevailsReduced Time to DeploySimplicity reduces time to
21、deploy 60%reduction in internal testing(qualification)vs previous network design 4x improvement for software upgrade with fabric-style SP architecturesBetter ProductivitySimplicity increases productivity 48%reduction in troubleshooting efforts vs previous network designReduced CapexLow-End platforms
22、 also support SR 66%reduction in CapEx by optimizing the usage of feature-rich/higher-cost platforms only where it is needed,and using lighter platforms for simpler access/pre-aggregation/backhaulNetwork ProgrammabilityNetwork ProgrammabilityIntent-based underlay network to build servicesBRKSPG-2039
23、13 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLive50%Faster Boot Times40%SmallerImage Sizes 40%Faster Download50%Less Memory FootprintSimple Optimized to reduce memory,downloads,and boot times Streamlined protocols with SR/EVPN Secure zero-touch rolloutModern Open APIs Cu
24、stomizable software images Cloud-enhancedTrustworthy Assess hardware and software authenticity at boot and runtime Immutable record of all software and hardware changes Real-time visibility of trust postureCisco IOS XR 7Redefining software for better operationsAutomation and SoftwareAutomation and S
25、oftwareUntangling the complexity of integrationBRKSPG-203914 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveIOS XR 7 Flexible architecture for all deploymentsElasticCost OptimizedUltra-high DensityCritical InfrastructureProgrammable andAutomatablex86 data planeFixed hardw
26、are,merchant data planeFixed and modular hardware,merchant data planeFixed,modular,and multi-chassis hardware;Cisco data planeQualified third-party hardwareVNFCisco HW with Merchant SiliconCisco HW with Custom Silicone Common SP Operating System across physical and virtual data planes Automation and
27、 SoftwareAutomation and SoftwareUntangling the complexity of integrationBRKSPG-203915 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLive75%4%5%3%1%1%0%11%5 Years Savings BreakdownEquipment Cost2nd InstallationPowerCoolingSpaceConverges all services onto a single network laye
28、r Eliminates siloed IP&Optical operational layersIntegrates transponders&eliminates“grey”opticsIntegrates OTN Services&ROADMs Space,power&operational savingsShorter Time-to-Market for services45%TCO Savings45%TCO SavingsRON Architecture TransitionOptical and Optic InnovationOptical and Optic Innovat
29、ionConverging optical and IP networksBRKSPG-203916Evolved Network Architecture 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveHigh Level Network ArchitectureNMS/EMSNMS/EMSEducation/GovernmentBusiness/CommercialCloud ProvidersContent ProvidersPeering/InternetAccess Network
30、Residential BroadbandActive EthernetPassive Optical(PON)DSLMetro/Aggregation NetworkCore NetworkPeeringSmall BusinessEthernet REP/G.8032Ethernet REP/G.8032SP DatacenterServices Edge(BNG)MPLS/LDPMPLS/LDPMPLS/LDP/RSVPMPLS/LDP/RSVPIGP/BGPIGP/BGPVXLANVXLANNMS/EMS/CLINMS/EMS/CLINMS/EMS/CLINMS/EMS/CLINMS/
31、Controller/CLINMS/Controller/CLICLICLIStitchingStitchingStitchingAccess TeamMetro TeamCore TeamDC TeamDNS/RADIUS/Apps802.1Q/P802.1Q/PPW/VPLSPW/VPLSGRT/L3VPNGRT/L3VPNGRTGRTBRKSPG-203918 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveHigh Level Network ArchitectureBRKSPG-20
32、3919Automation and ManagementAutomation and ManagementEducation/GovernmentBusiness/CommercialCloud ProvidersContent ProvidersPeering/InternetAccess NetworkResidential BroadbandActive EthernetPassive Optical(PON)Private Line EmulationMetro/Aggregation NetworkBNG-UPBNG-UPBNG-UPCDN/Security/CollabEdge
33、CloudCore NetworkPeeringSmall BusinessWireless/xHaulSegment Routing(SRSegment Routing(SR-MPLS,SRv6)MPLS,SRv6)SP DatacenterBNG-CPContentCloudBNG-UPEVPN/L3VPN/GRTEVPN/L3VPN/GRT 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveHigh Level Network ArchitectureBRKSPG-203920Automa
34、tion and ManagementAutomation and ManagementEducation/GovernmentBusiness/CommercialCloud ProvidersContent ProvidersPeering/InternetAccess NetworkResidential BroadbandActive EthernetPassive Optical(PON)Private Line EmulationMetro/Aggregation NetworkCDN/Security/CollabEdge CloudCore NetworkPeeringSmal
35、l BusinessWireless/xHaulSegment Routing(SRSegment Routing(SR-MPLS,SRv6)MPLS,SRv6)SP DatacenterBNG-CPContentCloudBNG-UPEVPN/L3VPN/GRTEVPN/L3VPN/GRTBNG-UPBNG-UPBNG-UPE2E Intent(SLA)2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveSegment RoutingPath expressed in the packetDat
36、aShortest pathTraffic Engineered pathPaths optionsPaths optionsDynamic Dynamic(Optimized CSPF computation)(Optimized CSPF computation)ExplicitExplicit(expressed in the packet)(expressed in the packet)Control PlaneControl PlaneRouting protocols with Routing protocols with extensionsextensions(IS(IS-I
37、S,OSPF,BGP)IS,OSPF,BGP)SDN controllerSDN controller(BGP,PCEP,(BGP,PCEP,NETCONF/YANG)NETCONF/YANG)Data PlaneData PlaneMPLS MPLS(segment labels)(segment labels)IPv6 IPv6(+SR extension header)(+SR extension header)Source Routing paradigmStateless IP fabric!BRKSPG-2039 2023 Cisco and/or its affiliates.A
38、ll rights reserved.Cisco Public#CiscoLiveSR/MPLS transport(RFC 8660)Uses traditional MPLS encapsulationMore flexible than legacy ethernetUses IGP extension for label distributionProvides IP based underlay with built in path protectionProvides intent-based path for overlay serviceSR/MPLSBRKSPG-203922
39、For a deeper understanding of For a deeper understanding of SR/MPLS TransportSR/MPLS Transport 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveSRv6 transport(RFC8986)Uses native IPv6Highly scalableSupports prefix summarization at IGP boundariesInclude all SR/MPLS benefitsS
40、Rv6BRKSPG-203923For a deeper understanding of For a deeper understanding of SRv6 TransportSRv6 Transport 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveSR Policy(RFC9256)Allows network to be programed with service intentMaps services to intent to provide SLAApplies to SR/
41、MPLS and SRv6SRLowest E2E latencyIGP“best path”BRKSPG-203924 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveSR Flexible Algorithm(RF9350)Enables network“Slicing”Apply same intent at SR Policy to a“slice”of the networkMap services to a sliceFast re-route per sliceSRLowest
42、E2E latency AlgoLowest Cost AlgoSRBRKSPG-203925 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveEVPN Services(RFC7209,7432)Overlay services for P2P,P2MP,IRBNatively supports single-homed and multi-homed devicesBGP control plane for all mac/IP advertisement(mac routing)All
43、overlay service in MP/BGP,one protocol to troubleshootSRService 1 follows LL pathService 2 follow IGPBRKSPG-203926 2023 Cisco and/or its affiliates.All rights reserved.Cisco PublicSR/MPLS Example27BRKSPG-2039OLTsAccessAggregationCnBNGUPCDN 2023 Cisco and/or its affiliates.All rights reserved.Cisco P
44、ublic#CiscoLiveSR/MPLS review:Infra1.Define SRGB or use default2.Configure IGP to include Segment Routing extensions3.Define prefix SIDsegment-routingglobal-block 100000 116767!router isis LABaddress-family ipv4 unicastmetric-style widerouter-id Loopback0segment-routing mpls!interface Loopback0passi
45、veaddress-family ipv4 unicastprefix-sid index 10!BRKSPG-203928 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveSR/MPLS review:Service1.Set up attachment circuits2.Define the serviceAttachment Circuitsinterface TenGigE0/0/0/0.100 l2transportdescription OLT1_pon_Basic_HSIenc
46、apsulation dot1q 100rewrite ingress tag push dot1q 10 symmetric!interface TenGigE0/0/0/1.100 l2transportdescription OLT2_pon_Gaming_HSIencapsulation dot1q 100rewrite ingress tag push dot1q 11 symmetric!interface TenGigE0/0/0/2.100 l2transportdescription OLT3_pon_Gaming_HSIencapsulation dot1q 100rewr
47、ite ingress tag push dot1q 12 symmetric!Servicel2vpnflexible-xconnect-service vlan-unaware 1interface TenGigE0/0/0/0.100interface TenGigE0/0/0/1.100interface TenGigE0/0/0/2.100neighbor evpn evi 10010 target 1!BRKSPG-203929 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveSR
48、/MPLS review:Transport Policy1.Define the policy(SLA Intent)2.Color route advertisement3.Assign the SLAPolicy(Define SLA)segment-routingtraffic-engon-demand color 100dynamicmetrictype latency!Color Routesextcommunity-set opaque BLUE100end-set!route-policy BLUEif evpn-route-type is 1 or evpn-route-ty
49、pe is 3 thenset extcommunity color BLUEendifend-policyService Color(Assign SLA)evpnevi 10010bgproute-policy export BLUEBRKSPG-203930Edge Cloud and Compute 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveCurrent CSP options dont scale and limit business growthCore bottlenec
50、ks and congestionNo traffic visibility and controlComplex deployment and operationsBlind capacity upgradesNo value creationCloud ProvidersContent ProvidersPeering/InternetAccess NetworkMetro/Aggregation NetworkBNG-UPBNG-UPBNG-UPCore NetworkPeeringBRKSPG-203932 2023 Cisco and/or its affiliates.All ri
51、ghts reserved.Cisco Public#CiscoLiveSystems are deployed at the edge for low latency,fast processing,and storage of data created by edge applicationsBRKSPG-203933 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveEdge Compute BenefitsPerform data analytics ad computation at
52、the edge,so network connectivity and bandwidth issue are reducedReduce latency in accessing compute facilitating NG applicationsAccess big data analytics for Artificial Intelligence(AI),machine learningAccess NetworkMetro/Aggregation NetworkBNG-UPBNG-UPBNG-UPCDN/Security/CollabEdge CloudContentCloud
53、BRKSPG-203934 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveEdge CloudTodayWhat were deploying today is already solving for the futureIoTContent DeliveryConnectivity3rdParty ApplicationsSecurityExtending Enterprise Applications to the EdgeBRKSPG-203935 2023 Cisco and/or
54、its affiliates.All rights reserved.Cisco Public#CiscoLiveSelected Metrics Comparing deep caching to average of Commercial CDNs;Client-Side Video Analytics during live events;Major Global Streaming Platform9.4%9.4%DecreaseDecrease inError Rate55%55%QuickerQuickerBuffering Time13%13%ImprovementImprove
55、ment inAverage Bit Rate(ABR)31%31%FasterFaster Time to First Frame(TTFF)Metrics*Defining the ExperienceBest in Class Quality of Experience(QoE)36BRKSPG-2039QoE improves QoE improves relative to relative to other CDN other CDN solutionssolutionsMore traffic More traffic gets steered gets steered onto
56、 Carrier onto Carrier Edge CDNEdge CDNTraffic offload Traffic offload increasesincreasesCDN capacityCDN capacity is is deployed at the deployed at the Carrier EdgeCarrier EdgeQ O E V I R T U O U S C Y C L EQ O E V I R T U O U S C Y C L ESubscriber Edge 2023 Cisco and/or its affiliates.All rights res
57、erved.Cisco Public#CiscoLiveTodays Broadband Network Gateway(BNG)Education/GovernmentBusiness/CommercialCloud ProvidersContent ProvidersPeering/InternetAccess NetworkResidential BroadbandActive EthernetPassive Optical(PON)DSLMetro/Aggregation NetworkCore NetworkPeeringSmall BusinessEthernet REP/G.80
58、32Ethernet REP/G.8032SP DatacenterService EdgeService Edge(BNG)MPLS/LDPMPLS/LDPMPLS/LDP/RSVPMPLS/LDP/RSVPIGP/BGPIGP/BGPStitchingStitchingStitchingDNS/RADIUS/Apps802.1Q/P802.1Q/PPW/VPLSPW/VPLSGRT/L3VPNGRT/L3VPNGRTGRTBRKSPG-203938 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#Cisco
59、LiveTodays Broadband Network Gateway(BNG)Education/GovernmentBusiness/CommercialCloud ProvidersContent ProvidersPeering/InternetAccess NetworkResidential BroadbandActive EthernetPassive Optical(PON)DSLMetro/Aggregation NetworkCore NetworkPeeringSmall BusinessEthernet REP/G.8032Ethernet REP/G.8032SP
60、DatacenterService EdgeService Edge(BNG)MPLS/LDPMPLS/LDPMPLS/LDP/RSVPMPLS/LDP/RSVPIGP/BGPIGP/BGPStitchingStitchingStitchingDNS/RADIUS/Apps802.1Q/P802.1Q/PPW/VPLSPW/VPLSGRT/L3VPNGRT/L3VPNGRTGRTBRKSPG-203939Very centralized-RegionalLarge modular platforms(chassis)Subscriber termination of 10s-100s of t
61、housandsLarge failure domain-Subscriber redundancy groupsPolicy enforcement point per subscriberQueuing for 100s of thousands(eTM,HQoS)Hardware dependency on complex ASICsDirect OSS/BSS Integration Large IP address pools managed on each BNG nodeHighly integrated and customized control-plane and data
62、-plane functions on a single BNG 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveTodays Broadband Network Gateway(BNG)Education/GovernmentBusiness/CommercialCloud ProvidersContent ProvidersPeering/InternetAccess NetworkResidential BroadbandActive EthernetPassive Optical(PO
63、N)DSLMetro/Aggregation NetworkCore NetworkPeeringSmall BusinessEthernet REP/G.8032Ethernet REP/G.8032SP DatacenterService EdgeService Edge(BNG)MPLS/LDPMPLS/LDPMPLS/LDP/RSVPMPLS/LDP/RSVPIGP/BGPIGP/BGPStitchingStitchingStitchingDNS/RADIUS/Apps802.1Q/P802.1Q/PPW/VPLSPW/VPLSGRT/L3VPNGRT/L3VPNGRTGRTBRKSP
64、G-203940Control Plane FunctionsControl Plane FunctionsAuthenticationAuthorizationAccounting-data reportingAddress assignmentSecurity and policy managementData Plane FunctionsData Plane FunctionsAccess terminationAccounting data collectionSecurity and Policy enforcementQuality of service(QoS)2023 Cis
65、co and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveEvolving application and subscriber behaviorChallenging the legacy assumptions of queuingHTTP/3QUIC+TLS1.3UDPIPHTTP/1.1/2TLSTCPIPQUIC QUIC RFC RFC 90009000HTTP/3 HTTP/3 RFC9114RFC9114Old App StackOld App StackNew App StackNew App Sta
66、ckRelies on the networkTCP Congestion ControlPer flowQueuing requiredUDP=No congestion controlQUIC=flow scheduling/pacingApplication controls the flowQueuing unnecessaryFor a deeper understanding of For a deeper understanding of QUIC and Encrypted TrafficQUIC and Encrypted TrafficTraffic Volume(as o
67、f Nov 22)Traffic Volume(as of Nov 22)BRKSPG-203941 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveMapping requirements of subscriber edge42BRKSPG-2039RequirementTraditional Broadband ServicesOptimized Broadband ServicesSLA TypeBest Effort,Non-guaranteed Throughput,QuotaPe
68、r Device SLA,Flat-rate per monthQoS TypeHeavy H-QoS per home,Shaper per traffic class(4+)Simplified QoS,reduced traffic classes(1-2)BandwidthLow bandwidth per home less the few MbpsHigh bandwidth per home In the order of few 100s MbpsOSS Integration Heavy OSS integration,mostly snmp or vendor EMS on
69、 proprietary NBI,mono vendor dependencyMulti vendor,Open APIs from CP to NBI,Abstracted and simplifiedAccountingStrict accounting for charging and policy,App level accounting for usage controlLight accounting for reporting and monitoringPolicy&ChargingComplex Policy logic,down to app level charging
70、controlFlat policy for unlimited broadband,Flat charging per monthAccess TypeFixed Access Only,DSL and PONWireline and Wireless/FWA-ConvergedBNG TypeBNG TypePhysical Edge router Physical Edge router Complex ASICsComplex ASICsPhysical Edge Router Physical Edge Router-Lighter ASIC,or virtual UserLight
71、er ASIC,or virtual User-plane plane 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveCisco Subscriber EdgecnBNG(aligned with BBF TR-459)Multi-Service Disaggregated Broadband Network Gateway Separation of control-plane and user-plane(CUPS)Control-plane moves to cloud/central
72、izedUser-plane:Hardware or software,centralized or distributed.BRKSPG-203943Scale to 100s of user-planes with a single control-planeSingle OSS/BSS interface for millions of subscribersSimplified address pool managementUser-Plane1User-Plane3User-Plane2User-Plane4User-Plane5User-Plane6User-Plane7User-
73、PlaneNSegment Routing(SRSegment Routing(SR-MPLS,SRv6)MPLS,SRv6)EVPNEVPNBNG-CPRADIUSPFCPPFCP 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveBNG Control Plane44BRKSPG-2039Control Plane:Control Plane:Built as cloud-native application for greater resiliencyRuns on SMI(Cisco C
74、aaS)which is a common infrastructure for BNG and MobilityKey BNG functions split into multiple containersMultiple containers allow:in-service upgrade,independent patching,easy scale-in/out of services,faster feature deliveryNetwork wide licensing modelVarying deployment models:VMWare,CVIM,Openstack,
75、Baremetal,Public cloudDHCPv4DHCPv4DHCPv6DHCPv6IPAMIPAMPPPoEPPPoEIPoEIPoEL2TPL2TPGTPGTP-u uPFCPPFCPLILI-CPCPOps CenterOps CenterControl PlaneMonitoringMonitoringNorth Bound InterfacesNorth Bound InterfacesCDL DBCDL DBSMIUser/Data Plane:User/Data Plane:ASR9k IOS-XRThird Party TR459 compliant User-plan
76、esCPRiSCiPPPoEPPPoEIPoEIPoEFIBFIBGTPGTP-u uPFCPPFCPLILI-UPUPLocal CPLocal CPMgmtMgmtRoutingRoutingKeepaliveKeepaliveUser PlaneXRXRBNG-CPRADIUS 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveOptimizing the BNG-UP45BRKSPG-2039Traditional User-Plane4+Queues per Subscriber32K
77、-256K Subscribers per User-PlaneLow per subscriber bandwidthOptimized User-PlaneReduced QoS Requirements(1-2 Queues)6K-32K subscribersHigher bandwidth per subscriberAlignment with industry silicon development and speeds 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveCentr
78、alized Placement of BNG-UPEducation/GovernmentBusiness/CommercialCloud ProvidersContent ProvidersPeering/InternetAccess NetworkResidential BroadbandActive EthernetPassive Optical(PON)Private Line EmulationMetro/Aggregation NetworkBNG-UPBNG-UPBNG-UPCDN/Security/CollabCore NetworkPeeringSmall Business
79、Wireless/xHaulSegment Routing(SRSegment Routing(SR-MPLS,SRv6)MPLS,SRv6)SP DatacenterBNG-CPL3VPN/GRTL3VPN/GRTEVPNEVPNBRKSPG-203946 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveDistributed placement of BNG-UPEducation/GovernmentBusiness/CommercialCloud ProvidersContent Pr
80、ovidersPeering/InternetAccess NetworkResidential BroadbandActive EthernetPassive Optical(PON)Private Line EmulationMetro/Aggregation NetworkBNG-UPBNG-UPBNG-UPCDN/Security/CollabEdge CloudCore NetworkPeeringSmall BusinessWireless/xHaulSegment Routing(SRSegment Routing(SR-MPLS,SRv6)MPLS,SRv6)SP Datace
81、nterBNG-CPContentCloudL3VPN/GRTL3VPN/GRTEVPNEVPNBRKSPG-203947BNG-UP 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveSubscriber session steeringWork in progress,Broadband Forum(WT-474)Dynamically assign traffic to user-planes based upon policyBRKSPG-203948Use CaseExamplesDy
82、namic load-balancing across user-planesPer network policy,use the least loaded user-planeDynamic re-allocation of subscriber sessionsNetwork maintenance,user-plane failureOptimization of subscriber session placementHardware user-plane vs software user-plane vs DPU-enabled user-plane,cost or power op
83、timizationsEdge servicesFirewall Services,Enterprise applications,Gaming,new servicesSubscriber SLAMapping of subscriber services to network SLADynamic scalingDynamically scale up/down based upon traffic thresholds,saving power during non-peak hours.2023 Cisco and/or its affiliates.All rights reserv
84、ed.Cisco Public#CiscoLiveSubscriber Session SteeringEstablished EVPN-VPWS over SR/SRv6 to each user-planeBNG-CP receives subscriber session set upBNG-CP sends UP lookup request to UPSFUser-plane selected based upon policy(ex:least load)UPSF responds with UPBNG-CP completes session setupTSF-CP notifi
85、es TSF to steer subscriber traffic to correct EVPN-VPWS to BNG-UPPer-subscriber policy can determine the BNG-UP(group-id)User-Plane1User-Plane3User-Plane2User-Plane4User-Plane5User-Plane6User-Plane7User-Plane8BNG-CPTraffic Steering Function(TSF)Traffic Steering Function Control Plane(TSF-CP)User-Pla
86、ne Selection Function(UPSF)BNG-CPAccess Session Detection FunctionSegment Routing(SRSegment Routing(SR-MPLS,SRv6)MPLS,SRv6)EVPNEVPNPFCP(TRPFCP(TR-459)459)BRKSPG-203949Conclusion 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveSummaryInnovations in ASIC DesignInnovations in
87、 ASIC DesignOptimized forwarding performance and costTCO Impact for transport and subscriber edgeLower power consumptionNetwork ProgrammabilityNetwork ProgrammabilityIntent-based underlay network to build servicesOptimal forwardingDifferentiated ServicesBetter use of fiber assetsAutomation and Softw
88、areAutomation and SoftwareUntangling the complexity of integrationConfiguration management and consistencyOperational advantagesOptical and Optic InnovationOptical and Optic InnovationConverging optical and IP networksLonger reach with CoherentSimplification with a single plane to manageBRKSPG-20395
89、1 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveFill out your session surveys!Attendees who fill out a minimum of four session surveys and the overall event survey will get Cisco Live-branded socks(while supplies last)!These points help you get on the leaderboard and inc
90、rease your chances of winning daily and grand prizesAttendees will also earn 100 points in the Cisco Live Challenge for every survey completed.BRKSPG-203952 2023 Cisco and/or its affiliates.All rights reserved.Cisco PublicContinue your educationVisit the Cisco Showcase for related demosBook your one
91、-on-oneMeet the Engineer meetingAttend the interactive education with DevNet,Capture the Flag,and Walk-in LabsVisit the On-Demand Library for more sessions at www.CiscoL you#CiscoLive 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLive55Gamify your Cisco Live experience!Get p
92、oints Get points for attending this session!for attending this session!Open the Cisco Events App.Click on Cisco Live Challenge in the side menu.Click on View Your Badges at the top.Click the+at the bottom of the screen and scan the QR code:How:123455 2023 Cisco and/or its affiliates.All rights reserved.Cisco PublicBRKSPG-2039#CiscoLive