Carrier Ethernet Transport in Metro and Core Networks (1)(2).ppt

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1、,1,Nokia Siemens Networks,Carrier Ethernet Transportin Metro and Core NetworksTutorial byClaus G.Gruber and Achim AutenriethNokia Siemens Networks13th International Telecommunications Network Strategy and PlanningSymposium-Convergence in Progress”Networks 2008September 28 October 2,2008Budapest,Hung

2、ary,Claus G.Gruber,Achim Autenrieth,claus.gruber,2,Nokia Siemens Networks,2008/09/29,About UsDr.-Ing.Claus G.GruberClaus Gruber is senior consultant and project manager at Nokia Siemens Networks,Munich,Germany.Division:Research Technology and Platforms,Network Technology,Network Control andTransport

3、(RTP NT NCT).His main area of research focuses on next generation packet networkarchitectures including Carrier Grade Ethernet and IP/MPLS over WDM.He is mainly interested innetworking concepts,total cost of ownership,multilayer traffic engineering and resilience,controlplane,and network management

4、and configuration of ubiquitous communication technologies.Prior to his work at Nokia Siemens Networks he was a member of the research and teaching staff atTechnische Universitt Mnchen(TUM),Germany,where he received his Dr.-Ing.and Dipl.-Ing.degree in electrical engineering and information technolog

5、y.Claus published about 30 articles in journals and conference proceedings and submitted about 20invention reports in the area of routing,resilience,network planning,optimization and managementthat are currently under review at EU and US patent offices.Dr.-Ing.Achim AutenriethAchim Autenrieth is Hea

6、d of IP Transport R&D Management Innovation(IPT RD Innovation)at NokiaSiemens Networks,Munich,Germany.Focus areas of his work are multilayer transport networks(OTN/DWDM,SDH/SONET,Ethernet/MPLS-TP,IP/MPLS),control plane protocols(ASON/GMPLS),network architecture evaluation,multilayer resilience and m

7、ultilayer network design,routing andgrooming.Prior to his current responsibility he was working as project manager and senior research scientist ininternal innovation projects and funded research projects at Siemens AG,Corporate Technology andSiemens AG,Fixed Networks.Achim studied Electrical Engine

8、ering and Information Technology at the Technische UniversittMnchen(TUM)and received his Dipl.-Ing.and Dr.-Ing.degree in 1996 and 2003,respectively.From1996 to 2003 he was member of the research and teaching staff at the Institute of CommunicationNetworks at TUM.Networks 2008-Carrier Ethernet Transp

9、ort in Metro and Core Networks,Claus G.Gruber,Achim Autenrieth,claus.gruber,3,Nokia Siemens Networks,2008/09/29,General Information,Schedule 9:00 10:30 Tutorial Part I 10:30 11:00 Coffee Break,11:00 12:30 Tutorial Part II To ensure proper knowledge transfer to the audience,some basic behaviorrules s

10、hould be strictly obeyed during the tutorialNetworks 2008-Carrier Ethernet Transport in Metro and Core Networks,Q&A After each main section,Claus G.Gruber,Achim Autenrieth,claus.gruber,4,Nokia Siemens Networks,2008/09/29,Contents1.Introduction2.Operator Requirements for Transport Networks3.Ethernet

11、Basics4.Carrier Ethernet Evolution5.Carrier Ethernet Transport Technologies6.Carrier Ethernet Transport Network Architecture&Solutions7.Outlook Towards Future Internet Architectures8.ConclusionNetworks 2008-Carrier Ethernet Transport in Metro and Core Networks,Claus G.Gruber,Achim Autenrieth,claus.g

12、ruber,5,Nokia Siemens Networks,2008/09/29,Networks get run over by a huge traffic growth-Technology innovation is a must on the way forward The fastest and most costefficient access technologiesare not sufficient on their own,Huge traffic volumes have tobe transported throughout,the network Data sup

13、er highways and anoptimized end-to-endtransport are needed toconnect 5bn peopleNetworks 2008-Carrier Ethernet Transport in Metro and Core Networks,5 billion peopleconnected,Claus G.Gruber,Achim Autenrieth,claus.gruber,6,Nokia Siemens Networks,2008/09/29,Challenges and Opportunities,Add valuebeyond b

14、it-pipe100 x trafficgrowthInternet forthe next billion,Reinventing theconnected worldUser serviceexperience5 Bn peopleconnectedEnvironmentalPerformanceNetworks 2008-Carrier Ethernet Transport in Metro and Core Networks,Claus G.Gruber,Achim Autenrieth,claus.gruber,7,Nokia Siemens Networks,2008/09/29,

15、Networks 2008-Carrier Ethernet Transport in Metro and Core Networks,Tomorrows communication world,5 Bn PeopleconnectedMain growth in mobilesubscriptions from newgrowth markets,Majority can be alwaysonline via mobilehigh-speed Internetaccess technologies,Wireline Broadband willfacilitate usage ofappl

16、ications like TVand/or video streaming.,4 Bn mobileusers,2 Bn fixedbroadband users,xDSLFTTx,0.4 Bn0.2 Bn,cable fixedWiMAX2005 2010 2015*Broadband subscriptions are typically shared by 2-3 peopleSource:Nokia Siemens Networks estimations based external forecasts(Ovum,Strategy Analytics),5 Bn4 Bn3 Bn2

17、Bn,2015,LTE,WiMAX)2 Bn,Voice andlow-speed Internet enabled2005 2010,Mobile Users WorldwideVoice andhigh-speedInternet enabled(EDGE,HSPA,.,Fixed Broadband Subscriptions*Worldwide0.8 Bn0.6 Bn,Source:Connectivity Scorecard,Claus G.Gruber,Achim Autenrieth,claus.gruber,8,Nokia Siemens Networks,2008/09/29

18、,Broadband services drive transport networkevolution,Optical Metro Rural connectivity Photonic core,Enable next generation ofconnectivity,ConsumersQuality of lifefor citizens,BusinessGrowth andefficiency,GovernmentProductivity,Leased Line OPEXProfitable self built,Transport investmentworldwideCost o

19、f data transportmust go downTraffic Higher network efficiencyOne technology,Voice,RevenuesData,Dominant DominantNetworks 2008-Carrier Ethernet Transport in Metro and Core Networks,2011,Operators investinto the whole networkCAGR,7,7%2007,Broadband enabled network,2006,2010,Claus G.Gruber,Achim Autenr

20、ieth,claus.gruber,9,Nokia Siemens Networks,2008/09/29,Networks 2008-Carrier Ethernet Transport in Metro and Core Networks,400300200100,600500,Millionsubscriptions(world),2012Fiber to the building/homesubscription,DSL Subscriptions,2008IPTV/VoD SubscriptionsCablemodem Subscriptions,Total Broadband Su

21、bscriptions,Demand for fixed broadband will increaseover the next years,Source:internal research based on several analyst forecasts In the year 2012,there will be more than500 million Broadband subscribers worldwide Most subscribers will use a DSL connection Fiber access subscription is expected to

22、grow inline with IPTV subscription,5,31,52,8,6,22,33,1,5,92,13,1,12006,12007,0,92008,0,92009,0,82010,5.0%5,01,02,9,6.4%5,61,82,9,Source:internal research based on several analyst forecasts DSL is the dominant broadband market and willremain Driven by high bandwidth demand,fiber basedaccess revenue w

23、ill double in the next 10 years Narrowband revenue will decrease,Total Broadband Access Market Worldbn total,Fiber accessDSLAMNarrowband,5 billion peopleconnected,Claus G.Gruber,Achim Autenrieth,claus.gruber,10,Nokia Siemens Networks,2008/09/29,“100 x traffic growth within 5 years”meansa growing nee

24、d for scalable networksGrowing#of customersConsumerGrowing#of servicesConsumerNew services atlower costBusinessNetworks 2008-Carrier Ethernet Transport in Metro and Core Networks,Claus G.Gruber,Achim Autenrieth,claus.gruber,11,Nokia Siemens Networks,2008/09/29,Multimedia services drive bandwidth req

25、uirementsTriple Playservices requirebandwidth from25 to 100 Mbit/sper user!IPTV:20-30 Mbps(multiroom HDTV,VoD)Internet:5-10 MbpsVoIP:0.1 MbpsSource:Internet research,2006Networks 2008-Carrier Ethernet Transport in Metro and Core Networks,10 ExaByte,200%,820%,2007,2008,2009,2010,2011,Claus G.Gruber,A

26、chim Autenrieth,claus.gruber,12,Nokia Siemens Networks,2008/09/29,Video and TV services as main driver Video Services will driveexponential growth in residentialwireline traffic,.with most growthfrom IPTV”,20 ExaByte,70 ExaByte60 ExaByte50 ExaByte40 ExaByte30 ExaByte,530%,1600%,220%,TV Services(unic

27、ast&broadcast),P2P Video*,US residentialWireline Video related Traffic1100%,230%1500%100%100%0Source:Heavy Reading,June 2007,Internet TV,OTT Video&Future of IPTVNetworks 2008-Carrier Ethernet Transport in Metro and Core Networks,Streaming Video Clips*excluding P2P video andmusic exchange whichdomina

28、te currently the Internettraffic,Source:Conferences;Lightreading 2007,Claus G.Gruber,Achim Autenrieth,claus.gruber,13,Nokia Siemens Networks,2008/09/29,Networks 2008-Carrier Ethernet Transport in Metro and Core Networks,Increasing bandwidth demands require asimplified and more efficient infrastructu

29、re,Technology goes highestscalability and flexibilityUp to 100Gbit/s channelsin the coreFlexible Gigabit services&multi-Gigabit wavelengthswitchingEthernet switching alltransport technologiesMicrowave Radio,NG SDH,DWDM,Carrier Ethernet,Operators go EthernetLevel 3:“Ethernet is becoming apreferred en

30、abler for leadingapplications,e.g.Internet,Content delivery,utilityservices,IP video,”FT,Telefonica:“IP does not scale enough,Ethernet is an alternative”,Claus G.Gruber,Achim Autenrieth,claus.gruber,14,Nokia Siemens Networks,2008/09/29,Networks 2008-Carrier Ethernet Transport in Metro and Core Netwo

31、rks,Megabit applications-Gigabit servicesBroadband accesseverywhereReliable and securetraffic control,Flexible bandwidthsfrom access to coreOptimized connectivityin fixed and mobile environmentSolutions to balance networksand ensure Quality of Service,The broadband telecommunication environmentis en

32、abled by next generation connectivityCarrier Ethernet Transport,Claus G.Gruber,Achim Autenrieth,claus.gruber,15,Nokia Siemens Networks,2008/09/29,Contents1.Introduction2.Operator Requirements for Transport Networks3.Ethernet Basics4.Carrier Ethernet Evolution5.Carrier Ethernet Transport Technologies

33、6.Carrier Ethernet Transport Network Architecture&Solutions7.Outlook Towards Future Internet Architectures8.ConclusionNetworks 2008-Carrier Ethernet Transport in Metro and Core Networks,Claus G.Gruber,Achim Autenrieth,claus.gruber,16,Nokia Siemens Networks,2008/09/29,What is“Carrier Ethernet Transpo

34、rt”?In a sentence Ethernet with Carrier Grade qualitiesfor Transport NetworksBut seriously Taking the simple,well known and widely deployedEthernet service and extending it to the metro andcore of public networks thus maintaining thesimplicity,flexibility and cost effectiveness of theprotocol and co

35、mponents on an end-to-end basisNetworks 2008-Carrier Ethernet Transport in Metro and Core Networks,End to End Ethernet,50ms protection,Resilient IP(ResIP),certification,Claus G.Gruber,Achim Autenrieth,claus.gruber,17,Nokia Siemens Networks,2008/09/29,Carrier Ethernet Transport technology,is defined

36、by six key attributesResiliency Connection Oriented Ethernet Seamless Ethernet across portfolio ofIP Transport/Nokia Siemens Network Differentiated service creation,Simple Management Automation of network Point and click provisioning Standard Operation andMaintenance,Optimized Deployment Scalable ar

37、chitecture withend to end portfolio Technology agnostic multi-layer optimization,Flexible Solutions Integrated Solution forMobile Backhaul,Businessand residential services Shared best practices,Scalability Standardized platforms Prove worldwidedeployment Over 20,000 service and,support personnelNetw

38、orks 2008-Carrier Ethernet Transport in Metro and Core Networks,Claus G.Gruber,Achim Autenrieth,claus.gruber,18,Nokia Siemens Networks,2008/09/29,Networks 2008-Carrier Ethernet Transport in Metro and Core Networks,Connection,Oriented,Packet Based,Service,Transparent,Deterministic,Controlled,Carrier

39、Ethernet Transport DefinedArchitecture Goals and Building BlocksEnable IP Services over a Converged Carrier Class Transport ArchitectureAdd Scalability,Resiliency,and Manageability to Ethernet,Multi-ServiceConvergence,StaticManaged,IsolatedSecure,PredictableProtected,GuaranteedSLA,Point-and-Click Pr

40、ovisioning,Carrier Grade OAM,High Reliability,Hard QoS,Stratum Quality Sync,Integrated TDM,High Scalability,Claus G.Gruber,Achim Autenrieth,claus.gruber,19,Nokia Siemens Networks,2008/09/29,Networks 2008-Carrier Ethernet Transport in Metro and Core Networks,Carrier Ethernet Transport DefinedFundamen

41、tal RequirementsUnified Architecture for Cost-EffectiveTransport of High-Speed Packet Services,ConnectionOriented,Provisioned Deterministic Predictable,L3 ServiceTransparency,GuaranteedSLAs,Carrier ClassResiliency,Multi-LayerServiceManagement,L2 ClientEncapsulation SecureTransport L3 Proxy,Provision

42、ed Strict QoS ConnectionAdmissionControl,NE Quality SW Stability NetworkProtection,End-to-EndPt-and-ClickControl PlaneRobust OAMReporting,EthernetEconomics,ScalableMulti-ServiceSingle UNISynchronousCost-Effective,Claus G.Gruber,Achim Autenrieth,claus.gruber,20,Nokia Siemens Networks,2008/09/29,Conte

43、nts1.Introduction2.Operator Requirements for Transport Networks3.Ethernet Basics4.Carrier Ethernet Evolution5.Carrier Ethernet Transport Technologies6.Carrier Ethernet Transport Network Architecture&Solutions7.Outlook Towards Future Internet Architectures8.ConclusionNetworks 2008-Carrier Ethernet Tr

44、ansport in Metro and Core Networks,Claus G.Gruber,Achim Autenrieth,claus.gruber,21,Nokia Siemens Networks,2008/09/29,Contents1.Introduction2.Operator Requirements for Transport Networks3.Ethernet Basics Network Basics4.Carrier Ethernet Evolution5.Carrier Ethernet Transport Technologies6.Carrier Ethe

45、rnet Transport Network Architecture&Solutions7.Outlook Towards Future Internet Architectures8.ConclusionNetworks 2008-Carrier Ethernet Transport in Metro and Core Networks,Claus G.Gruber,Achim Autenrieth,claus.gruber,22,Nokia Siemens Networks,2008/09/29,Going Back to Where It Began We have to go bac

46、k to 1984Networks 2008-Carrier Ethernet Transport in Metro and Core Networks,Claus G.Gruber,Achim Autenrieth,claus.gruber,23,Nokia Siemens Networks,2008/09/29,LayerLayer,Layer,n-1,n+1n,Provides services to higher layerswith standardized interfacesUses services of lower layers,with standardized inter

47、facesNetworks 2008-Carrier Ethernet Transport in Metro and Core Networks,Network Hierarchy ConceptThe OSI Reference ModelThe concept of layers It is a simple and efficient way of communication,Claus G.Gruber,Achim Autenrieth,claus.gruber,24,Nokia Siemens Networks,2008/09/29,Network Hierarchy Concept

48、The OSI Reference Model,Application,SessionTransportNetworkData LinkPhysical,54321,6 Presentation,7,The OSI reference model provides:,Standardized interfaces(compatibility,interoperability and competition),Simplifies network technology developmentconsiderably(just trust and use the functionality of

49、the lower layer)Why seven layers?Is an often discussed question(e.g.“Three layer approach of Future Internet projects)Networks 2008-Carrier Ethernet Transport in Metro and Core Networks,Claus G.Gruber,Achim Autenrieth,claus.gruber,25,Nokia Siemens Networks,2008/09/29,Network Hierarchy Concept,Sessio

50、nTransportNetworkData LinkPhysical,54321,6 Presentation,The OSI Reference ModelApplication7,Interapplication communicationMaintains sessions between applicationsEnd-to-end connectionEnsures data transport reliability,information flow(includes maintaining of virtual circuits between hosts)Data delive