英语课件 Target Network Infrastructure for FXPPT

1、CONFIDENTIALTarget Network Infrastructure for FXDiscussion with Ch. BrandBern, April, 2002This report is solely for the use of client personnel. No part of it may be circulated, quoted, or reproduced for distribution outside the client organization without prior written approval from McKinsey &

2、Company, Inc. This material was used by McKinsey & Company, Inc. during an oral presentation; it is not a complete record of the discussion.WIP: STATUS 27/03/20021AGENDA1. Challenges in the FX network infrastructure2. Developing a target network infrastructure for FX3. Suggested project approach

3、Backup2DEVELOPING THE NETWORK INFRASTRUCTURE IS A MUST FOR FX Source: Team analysisDeveloping the network infra-structure is a key strategic imperative, but the target network infrastructure is a moving target, subject to a variety of risks how to migrate is the key questionSystematic proactive migr

4、ation not possibleMigration is both costly and riskyLarge legacy base will need to co-exist with new systemsKey challenges of FX impacting network evolutionCorporate growth requirement (coupled with declining traditional business) necessitate development of growth areas (e.g., fixed-line broadband)N

5、ew competitive threats from state-of-the-art attackers call for enhanced products (e.g., VoIP)Technological change continuously triggers adaptation of services (e.g., UMTS)3THE MAIN ISSUES OF DEVELOPING THE NETWORK INFRASTRUCTURE Source: Team analysisTarget network infrastructureNetwork infrastructu

6、re blueprint/vision is a moving target and is subject to a variety of risksTechnology risks (e.g., do we really know which particular technologies will win in five years time?)Competitive risks (e.g., what will existing and future competitors do?)Regulatory risks (e.g., what will happen to the broad

7、band access?)Demand risks (e.g., how will consumer/business demand charge?)Migration pathTrade-off between proactive approach (one-step technologies) and reactive approach (reactive migration techno-logies needs to be made)To maintain flexibility to changes in environmentTo minimize costLegacy and n

8、ew systems will co-existNew investments in legacy systems will fall quickly, but asset base will remain heavily legacy-basedInteroperability between legacy and new systems needs to be carefully managed to avoid excessive upgrading costs4TargetTWO BASIC NETWORK DEVELOPMENT APPROACHESTimeCurrentReacti

9、ve migration technologiesOne-step technologiesMoving target Source: Team analysisNetwork infrastructureKey questionsWhat is the long-term network vision (moving target)?For what technologies would one-step migration approach be adopted, for which technologies a reactive migration approach?How will r

10、eactive migration look like/be managed?How can he two distinct approaches has be linked to current processes and tools?5AGENDA1. Challenges in the FX network infrastructure2. Developing a target network infrastructure for FX3. Suggested project approachBackup6POTENTIAL TARGET NETWORK STRUCTURE FOR F

11、XSIMPLIFIED* Multiprotocol Label SwitchingSource: Team analysisIntelligent servicesSwitching/ RoutingAccessTransportIP/MPLS*IP-OSSNarrowbandVASService IntelligenceNetwork IntelligenceFixed(PSTN,ISDN)VoiceDataSDH lite(mesh)Mobile(GSM)BroadbandUMTSxDSLDWDMTransparent nodesKey objectives for network de

12、velopmentTechnology convergenceVoice/DataFixed/mobileSimplification of networkDelayering through IPCommon platformsFully transparent network7Source: Team analysisPOSSIBLE EVOLUTIONARY PATHILLUSTRATIVEDescriptionPastToday20042006A number of new technologies introduced into the networkCloser integrati

13、onSingle supplier per systemOld and new tech-nologies co-existStong integration new technologies wrap-around existing tech-nologiesFully integrated technologiesIP as basis for all services (delayering)Systems loosely coupleExisting systems typically supplied by more than one supplierIntelligent serv

14、icesSwitching/ routingAccessTransport GSMVoiceDataIPNetwork IntelligencexDSLFixed(PSTN, ISDN)UMTSSDH(ring)DWDM Caller ID VPN SMS .VoiceDataFixed(PSTN, ISDN)GSMPDHSDH(ring)IP xDSLWDM . Caller ID VPN SMS .NarrowbandVoiceDataIP (MPLS)PSTN,ISDNGSMSDH(ring)DWDMBroadbandUMTS xDSLVASService IntelligenceNet

15、work IntelligenceNarrowbandVoiceDataIP/MPLSIP-OSSPSTN,ISDNGSMSDH lite(mesh)DWDMTransparent nodesBroadbandUMTS xDSLVASService IntelligenceNetwork Intelligence8CUSTOMER TRENDS AND KEY TECHNOLOGIES DRIVING NETWORK DEVELOPMENTSource: Team analysisConsumersConvergence of demanded services and increasing

16、need for bandwidth Voice communication (phone) Entertainment (e.g., VoD, iTV) DataFixed/mobile convergence Full number portability Single contact numberHome/hot spot networking Computer LAN Integration of new devicesCustomer trendsSDSL, HDSL, VDSLFiber-to-the-home (FTTH), Fiber-to-the-curb (FTTC)VoI

17、PVoDSLIntelligent network Service intelligence Network intelligenceWireless LAN 802.11/HIPERLAN2 HomeRFRelated key emerging network technologiesEnterprisesExploding bandwidth requirementsMigration to fully IP-centric connectivityVariety of varying service/QoS requirementsMeshed networksIslands of op

18、tical transparencyProtocol stack compression (IP/MPLS over SDH lite)Next generation OSS (IP-OSS)NOT EXHAUSTIVE9FTTC AND FTTH BRING VERY HIGH DATA RATES EVER CLOSER TO THE SUBSCRIBERSource: Team analysisOnce the fiber link is installed, the capacity can be updated with the progress in optical technol

19、ogyFiber linkMetallic cableInternetTelephoneCATVFTTCConnects the curb with the central office (5 - 30 miles)Fiber installation expenses can be spread over many usersOptical technology is a limiting factorAdd-drop multiplexerCommunity concentratorCurb podONUCATVDBSSatellite TV Set-Top BoxFTTHConnects

20、 last 100 metersFiber installation requires extensive digging, up to the subscriber premisesOptical technology and system costs are still limiting factorsBACKUPCurb podONU10Local switchVoDSL GatewayVODSL INFRASTRUCTURECustomer PremisesxDSLIncumbents COLocal ExchangeDSLAM*IAD*up to 16 linesPCIAD*up t

21、o 16 linesPCPSTNATM Internet* Integrated Access Device* Loop Emulation Service* DSL Access MultiplexerSource: Team analysisISPDistribution plant based on existing copper linesEnhanced for data with xDSL technologiesData is transmitted over IP over ATMVoice is transmitted over AAL2 over ATM, supporti

22、ng inherently selective QOSVoice packets are decoded into a VoDSL gateway to interface with PSTNRegional Access NetworkBACKUP11WLAN HAS THREE BASIC APPLICATION AREAS* Small office/home officeSource: Team analysisFunction of WLANAlternative to wired Ethernet LANAlternative to UMTSTarget customersMult

23、i-PC householdsSoHosCompanies with high-mobility workersOffices where wiring is very expensive or not possibleEnd-users in high density areas such as Airports/stations Hotels/conference centersValue propositionConvenienceAccess sharingNew value-added servicesLow-CAPEX alternative to the wired Ethern

24、et LANConvenienceMobile BB access to Internet (and Intranet)Faster substitute for UMTS (in selected areas)WLAN infra-structure ownerHouseholdTelecom operatorCompanyLandlordsTelecom OperatorPure-player wireless ISPsPotential playersFixline operatorsOEMs of WLAN productsEquipment retailersFixline oper

25、atorsCorporate IT departmentOEMs of WLAN productsValue-added re-sellers of WLAN productsFixline operatorsMobile operatorsLandlordsPure-player wireless ISPsHome/SoHo*Corporate Public space?BACKUP12MOVING TOWARDS NEXT GENERATION NETWORKS* Multi-protocol Label Switching, network management protocol* Gi

26、gabit Ethernet* Erbium-Doped Fiber AmplifierSource: Goldman Sachs, McKinseyTopologyEquipmentProtocolsTodayPossible targetIP over ATM over SDHProtocol stack compressionIP/MPLS* with SDH framing (SDH lite)GigE* in access and some metro transport networksSDH ADMs, DXCsATM switchesIP routers8 to 32-chan

27、nel DWDM at OC-48 and 192Optical switchesIP/MPLS* routersUltra long-haul Tx/Rx and EDFA* amplifiersMSPP boxes (multi-service aggregation boxes)Rings with 1:1 protection (logical hub-and-spoke in metropolitan areas)No DWDM in the metropolitan areasMesh architecture with 1:3 protectionRings with incre

28、ased DWDM (and 1:1 protection) in metropolitan areasTransparencyFully opaque nodesIslands of optical transparency with ultra long-haul transmissionBACKUP13TOPOLOGY MESH TOPOLOGIES ARE EFFICIENT, CAPEX-EFFECTIVE AND FLEXIBLERing and point-to-pointNetwork scalability and routing flexibilityProtection

29、overheadAll links must be designed to carry the same capacity:all elements across the ring must be up-graded if an increase in capacity is required across a portion1:1 protection architecture: almost every piece of working transmit equipment must be backed up by an operating spareBoth the working an

30、d protection capacity can be spread across multiple paths: only limited upgrades are required to increase capacity across specific links1:2 or 1:3 protection-to-working ratios: only a subset of the total network routing is duplicatedABCDEFNetwork provisioningMultiple rings and point-to-point connect

31、ions are generally managed independently: provisioning requires configuring each part of the circuit separatelyMesh networks are inherently globally designed and managed: end-to-end circuit provisioning can be instantBACKUPABCDEFMeshKey challenges to be overcome for the mesh topologyComplex network

32、managementLimited vendor interoperabilitySlower restoration speedUnsuitability for some traffic patterns14* In IP over glass the SDH and ATM functions are subsumed into an extended IP layerSource: Interviews; McKinseyPROTOCOLS NETWORK PROTOCOL STACKS ARE INEXORABLY COLLAPSINGFunctions QoSRestoration

33、 Hardware BACKUPThe radical IP over glass* protocol compression will take longer than generally expectedMultiple layers provide redundancy of functions Addressing (IP, ATM) Multiplexing (IP, ATM, SDH) Traffic engineering (ATM, SDH) BW management (ATM, SDH) Framing (SDH)ATM switchesSDH ADMs (50 ms re

34、covery time)IP routersATM switchesSDH ADMs/DXCsIPATMSDHOptical layerFrom IP/ATM/SDHLayers of redundancy compressed Addressing (IP/MPLS) Multiplexing (IP/MPLS) Traffic engineering (MPLS) BW management (MPLS) Framing (SDH lite)MPLS/DiffServ on IP RoutersMesh restoration protocols (50 - 200 ms recovery

35、 time)IP routers with MPLS protocolNext-generation optical switches and optical ADMsIP/MPLSSDH liteOptical layerTo IP/Glass15Source: Scientific American; Light reading; McKinseyOPTICAL LAYER TRANSPARENCY SIMPLE ISLANDS OF TRANSPARENCY AS FIRST STEPBACKUPShort-term focusNeeded functionalityKey techno

36、logy challengesLikely time frameWavelength conversionLow-cost tunable lasersLow-cost, high-quality Silicon Optical Amplifier (SOA)1 - 3 years2 - 4 yearsOptical regeneration Submicron optical bufferNanosecond optical switchesPhotonic integrated circuit (PIC)5 - 15 yearsOptical time division multiplex

37、ing Tatrahertz optical asymmetric demultiplexers (TOADM)5 - 10 yearsOptical routerSubmicron optical buffers Optical logic circuitsNanosecond optical switchesOptical processorsPhotonic integrated circuits (PIC)10 - 20 yearsEnd-to-end fully transparentall-optical networkIslands of transparency16NEXT G

38、ENERATION NETWORKS WILL REQUIRE DIFFERENT OSS FUNCTIONALITY Source: Optical networks, McKinseyBACKUPNetwork provisioningNetwork planning and developmentNetwork maintenance and restorationLegacy: Different layers of the network stack operate as separate domainsNGN: IP and optical layers share topolog

39、y and resource informationLegacy: Capacity planning and development are independent for each layerNGN: Integrated capacity planning and development between IP and optical layersLegacy: Restoration is independent at each layerNGN: Restoration requires updating topology and resource information betwee

40、n IP and optical layersProtocol compressionNext generation network Legacy: Bandwidth requests can be processed relatively simplyNGN: Local network topology and signal degeneration need to be taken into accountLegacy: Relatively straight-forward planning signal quality is maintained by adding regener

41、atorsNGN: Each optical path must be analyzed to determine whether intermediate electrical regeneration is neededLegacy: Electronically monitor hit errors, packet loss, and throughputNGN: Fault detection is complex, overhead hits cannot be read opticallyOptical layer transparencyLegacy: Requests for

42、bandwidth are for specific point-to-point routesNGN: Contention of multiple requestsLegacy: Point-to-point planning is straight forward and depends only on the demand growthNGN: New routes affect overall network characteris-tics in terms of provisioning and restorationLegacy: 1:1 restoration provide

43、s a physically pre-provisioned backup connectionNGN: 1:N restoration provides multiple backup routes comprised of multiple shared linksMesh architectureFulfillment Assurance 17NEXT GENERATION OSS AS BASIS FOR DIFFERENTIATED IP SERVICE* Mesh topologies, IP/SDH liteSource: Goldman Sachs, McKinseyBACKU

44、PMaximize value from legacy network investmentsInvest in key legacy OSS areas offering large near-term returnsProvisioningBillingCustomer careTime ReturnsSupport next generation architectures*Support the deployment of intelligent optical networks in mesh architectures with reduced protocol stackMana

45、ge transitional/ hybrid networks (integration of new and legacy hardware) Deliver differentiated IP servicesInvest in IP infra-structure to support QoS and IP billingDevelop next generation OSS capabilities (IP-OSS) to rapidly deploy new IP services (e.g., bandwidth on demand, IP-VPN, rich media)18I

46、NTEGRATION OF TECHNOLOGY/NEED SEGMENTS INTO TARGET NETWORK INFRASTRUCTURE* Reconsideration at later stage Source: Team analysisPart of target network infrastructureOne-stepReactive migrationShort-termLong-termTechnology typeNeedBuild comprehensive business caseStart direct implementationConduct viab

47、ility assessment*Build comprehensive business caseDefine migration pathConduct viability assessmentDefine potential migration pathIntegration of technologies in target network infrastructure based onBusiness case for short-term needsViability assessment for long-term needsDefinition of (potential) m

48、igration path for all technologies integrated in target network infrastructureModification of the business case evaluation procedure to account for the target network infrastructureBusiness case alone is not a sufficient tool19CLASSIFICATION OF KEY NETWORK TECHNOLOGIES Source: Team analysisOne-stepR

49、eactive migrationShort-termLong-termTechnology typeNeedMeshed networksIP-OSSIP/MPLSOptical transparencyWLANINVoDSLVoIPS/H/VDSLFTTCFTTHConduct viability assessment/ business case according to classificationIntegrate chosen technologies in target network infrastructure and define (reactive) migration

50、pathFOR DISCUSSION20LINKING TARGET NETWORK INFRASTRUCTURE TO BUSINESS CASE DEVELOPMENTChange decision criteria forbusinesscases assign bonus pointsfor particular situations Source: Team analysisClear rules for assignment of bonus requiredLinking of investmentsSupplier choiceSituationAdd no/small-reg

51、ret moves towards target network infrastructure to other (directly value-adding) investmentSelect partners/partnership models on basis of target network infrastructure fit, and not only based on financial considerationsDescriptionDeploy fiber cables when doing digging work in access network as basis

52、 for FTTC/FTTHStand-alone casesLower return threshold for cases moving in direction of target network infrastructureReduce IRR require-ment for installation of NGN switchesChoose supplier for NGN switches based on potential VoDSL integration capabilitiesApplication example21AGENDA1. Challenges in th

53、e FX network infrastructure2. Developing a target network infrastructure for FX3. Suggested project approachBackup22PROJECT APPROACH FOR DEFINING A TARGET NETWORK INFRASTRUCTURE Source: Team analysisDevelop top-level target network infrastructureEvaluation ambition level (growth targets, competitor

54、moves)Analyze in detail customer trends and emerging technologiesDefine target network, incl. migration path and treatment of legacy base1Define link between target network infrastructure and current processes/toolsDefine rules for business case adaptations (bonuses)Institutionalize new procedures (organization, roles, rules)2Refine target network infrastructureAssess impact of current network development cases on target network infrastructure, and vice versaConduct viability analyses3Assist pilot cases implementing target network infrastructureSupport development of initial case