Transcription
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, Hungary1 Nokia Siemens Networks
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 (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 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 Universität München (TUM), Germany, where he received his Dr.-Ing. and Dipl.-Ing.degree in electrical engineering and information technology.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 Head 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 multilayer 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 Engineering and Information Technology at the Technische UniversitätMünchen (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.2 Nokia Siemens NetworksNetworks 2008 - Carrier Ethernet Transport in Metro and Core NetworksClaus G. Gruber, Achim Autenrieth, {claus.gruber,achim.autenrieth}@nsn.com2008/09/29
General Information Schedule Q&A 9:00 – 10:30 Tutorial Part I After each main section 10:30 – 11:00 Coffee Break 11:00 – 12:30 Tutorial Part II To ensure proper knowledge transfer to the audience, some basic behaviorrules should be strictly obeyed during the tutorial3 Nokia Siemens NetworksNetworks 2008 - Carrier Ethernet Transport in Metro and Core NetworksClaus G. Gruber, Achim Autenrieth, {claus.gruber,achim.autenrieth}@nsn.com2008/09/29
Contents1. 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. Conclusion4 Nokia Siemens NetworksNetworks 2008 - Carrier Ethernet Transport in Metro and Core NetworksClaus G. Gruber, Achim Autenrieth, {claus.gruber,achim.autenrieth}@nsn.com2008/09/29
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 own5 billion peopleconnected Huge traffic volumes have tobe transported throughoutthe network Data super highways and anoptimized end-to-endtransport are needed toconnect 5bn people5 Nokia Siemens NetworksNetworks 2008 - Carrier Ethernet Transport in Metro and Core NetworksClaus G. Gruber, Achim Autenrieth, {claus.gruber,achim.autenrieth}@nsn.com2008/09/29
Challenges and OpportunitiesReinventing theconnected worldAdd valuebeyond bit-pipe100x trafficgrowthUser serviceexperienceInternet forthe next billion5 Bn peopleconnectedEnvironmentalPerformance6 Nokia Siemens NetworksNetworks 2008 - Carrier Ethernet Transport in Metro and Core NetworksClaus G. Gruber, Achim Autenrieth, {claus.gruber,achim.autenrieth}@nsn.com2008/09/29
Tomorrow's communication world5 Bn PeopleconnectedMain growth in mobilesubscriptions from newgrowth marketsMobile Users Worldwide5 Bn4 Bn3 BnVoice andhigh-speedInternet enabled(EDGE, HSPA, . ,LTE, WiMAX)2 Bn2 Bn4 Bn mobileusersMajority can be alwaysonline via mobilehigh-speed Internetaccess technologies2 Bn fixedbroadband usersWireline Broadband willfacilitate usage ofapplications like TVand/or video streaming.7 Nokia Siemens NetworksVoice andlow-speed Internet enabled200520102015Fixed Broadband Subscriptions* Worldwide0.8 Bn0.6 BnxDSL0.4 BnFTTx0.2 Bncable20052010fixedWiMAX2015* Broadband subscriptions are typically shared by 2-3 peopleSource: Nokia Siemens Networks estimations based external forecasts (Ovum, Strategy Analytics)Networks 2008 - Carrier Ethernet Transport in Metro and Core NetworksClaus G. Gruber, Achim Autenrieth, {claus.gruber,achim.autenrieth}@nsn.com2008/09/29
Operators investinto the whole networkCAGR7,7% Optical MetroConsumersQuality of lifefor citizens Rural connectivity Photonic coreEnable next generation ofconnectivity2007BusinessGrowth andefficiencyGovernmentProductivity2011Transport investmentworldwideBroadband enabled networkCost of data transportmust go downTraffic Higher network efficiencyOne technology Leased Line OPEXProfitable self builtVoiceDominant8 Nokia Siemens NetworksRevenuesDataDominantNetworks 2008 - Carrier Ethernet Transport in Metro and Core NetworksClaus G. Gruber, Achim Autenrieth, ource: Connectivity ScorecardBroadband services drive transport networkevolution
Demand for fixed broadband will increaseover the next yearsMillionsubscriptions(world)600Total Broadband Access Market World[bn 6,22,32008IPTV/VoD SubscriptionsCablemodem SubscriptionsTotal Broadband Subscriptions2010Fiber to the building/homesubscriptionDSL Subscriptions 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 grow in9 Nokia Siemens 8200920102012Source: internal research based on several analyst forecastsline with IPTV subscriptionFiber accessNarrowband10020065 billion peopleconnectedSource: internal research based on several analyst forecasts DSL is the dominant broadband market and willremain Driven by high bandwidth demand, fiber basedaccess revenue will double in the next 10 years Narrowband revenue will decreaseNetworks 2008 - Carrier Ethernet Transport in Metro and Core NetworksClaus G. Gruber, Achim Autenrieth, {claus.gruber,achim.autenrieth}@nsn.com2008/09/29
“100x traffic growth within 5 years” meansa growing need for scalable networksGrowing #of customersConsumerGrowing #of servicesConsumerNew services atlower costBusiness10 Nokia Siemens NetworksNetworks 2008 - Carrier Ethernet Transport in Metro and Core NetworksClaus G. Gruber, Achim Autenrieth, {claus.gruber,achim.autenrieth}@nsn.com2008/09/29
Multimedia services drive bandwidth requirementsTriple Playservices requirebandwidth from25 to 100 Mbit/sper user!IPTV: 20-30 Mbps(multiroom HDTV, VoD)Internet: 5-10 MbpsVoIP: 0.1 MbpsSource: Internet research, 200611 Nokia Siemens NetworksNetworks 2008 - Carrier Ethernet Transport in Metro and Core NetworksClaus G. Gruber, Achim Autenrieth, {claus.gruber,achim.autenrieth}@nsn.com2008/09/29
Video and TV services as main driver„ Video Services will driveexponential growth in residentialwireline traffic, . with most growthfrom IPTV”70 ExaByte60 ExaByte1600%US residentialWireline Video related Traffic50 ExaByte1100%40 ExaByteTV Services(unicast&broadcast)30 ExaByte530%20 ExaByte220%230%10 ExaByte0200%100%100%20071500%Streaming Video Clips2011* excluding P2P video andmusic exchange whichdominate currently the Internettraffic820%200820092010Source:Heavy Reading, June 2007, Internet TV, OTT Video & Future of IPTV12 Nokia Siemens NetworksP2P Video*Networks 2008 - Carrier Ethernet Transport in Metro and Core NetworksClaus G. Gruber, Achim Autenrieth, {claus.gruber,achim.autenrieth}@nsn.com2008/09/29
Increasing bandwidth demands require asimplified and more efficient infrastructureOperators go EthernetFT, Telefonica:“IP does not scale enough,Ethernet is an alternative”13 Nokia Siemens NetworksUp to 100Gbit/s channelsin the coreSource: Conferences; Lightreading 2007Level 3:“Ethernet is becoming apreferred enabler for leadingapplications, e.g. Internet,Content delivery, utilityservices, IP video, ”Technology goes highestscalability and flexibilityFlexible Gigabit services &multi-Gigabit wavelengthswitchingEthernet switching @ alltransport technologiesMicrowave Radio, NG SDH,DWDM, Carrier EthernetNetworks 2008 - Carrier Ethernet Transport in Metro and Core NetworksClaus G. Gruber, Achim Autenrieth, {claus.gruber,achim.autenrieth}@nsn.com2008/09/29
The broadband telecommunication environmentis enabled by next generation connectivityCarrier Ethernet TransportMegabit applications Gigabit services14Flexible bandwidthsfrom access to coreBroadband accesseverywhereOptimized connectivityin fixed and mobile environmentReliable and securetraffic controlSolutions to balance networksand ensure Quality of Service Nokia Siemens NetworksNetworks 2008 - Carrier Ethernet Transport in Metro and Core NetworksClaus G. Gruber, Achim Autenrieth, {claus.gruber,achim.autenrieth}@nsn.com2008/09/29
Contents1. 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. Conclusion15 Nokia Siemens NetworksNetworks 2008 - Carrier Ethernet Transport in Metro and Core NetworksClaus G. Gruber, Achim Autenrieth, {claus.gruber,achim.autenrieth}@nsn.com2008/09/29
What is “Carrier Ethernet Transport” ?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 components on an end-to-end basis16 Nokia Siemens NetworksNetworks 2008 - Carrier Ethernet Transport in Metro and Core NetworksClaus G. Gruber, Achim Autenrieth, {claus.gruber,achim.autenrieth}@nsn.com2008/09/29
Carrier Ethernet Transport technologyis defined by six key attributesResiliencyEnd to End Ethernet Seamless Ethernet across portfolio ofIP Transport/Nokia Siemens Network Differentiated service creationOptimized Deployment Scalable architecture withend to end portfolio Technology agnostic multilayer optimization17 Nokia Siemens Networks Connection Oriented Ethernet 50ms protection Resilient IP (ResIP)certificationScalability Standardized platforms Prove worldwidedeployment Over 20,000 service andsupport personnelNetworks 2008 - Carrier Ethernet Transport in Metro and Core NetworksClaus G. Gruber, Achim Autenrieth, {claus.gruber,achim.autenrieth}@nsn.comSimple Management Automation of network Point and click provisioning Standard Operation andMaintenanceFlexible Solutions Integrated Solution forMobile Backhaul, Businessand residential services Shared best practices2008/09/29
Carrier Ethernet Transport – DefinedArchitecture Goals and Building BlocksEnable IP Services over a Converged Carrier Class Transport ArchitectureAdd Scalability, Resiliency, and Manageability to EthernetPacket int-and-Click ProvisioningCarrier Grade OAM18 Nokia Siemens NetworksStratum Quality SyncHigh ReliabilityHigh ScalabilityNetworks 2008 - Carrier Ethernet Transport in Metro and Core NetworksClaus G. Gruber, Achim Autenrieth, {claus.gruber,achim.autenrieth}@nsn.comHard QoSIntegrated TDM2008/09/29
Carrier Ethernet Transport – DefinedFundamental RequirementsUnified Architecture for Cost-EffectiveTransport of High-Speed Packet ServicesEthernetEconomics 19ScalableMulti-ServiceSingle UNISynchronousCost-EffectiveConnectionOriented Provisioned Deterministic Predictable Nokia Siemens NetworksL3 ServiceTransparency L2 ClientEncapsulation SecureTransport L3 ProxyGuaranteedSLA’sCarrier ClassResiliencyMulti-LayerServiceManagement Provisioned Strict QoS ConnectionAdmissionControl NE Quality SW Stability NetworkProtection Networks 2008 - Carrier Ethernet Transport in Metro and Core NetworksClaus G. Gruber, Achim Autenrieth, nd-to-EndPt-and-ClickControl PlaneRobust OAMReporting
Contents1. 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. Conclusion20 Nokia Siemens NetworksNetworks 2008 - Carrier Ethernet Transport in Metro and Core NetworksClaus G. Gruber, Achim Autenrieth, {claus.gruber,achim.autenrieth}@nsn.com2008/09/29
Contents1. Introduction2. Operator Requirements for Transport Networks3. Ethernet Basics Network Basics4. Carrier Ethernet Evolution5. Carrier Ethernet Transport Technologies6. Carrier Ethernet Transport Network Architecture & Solutions7. Outlook Towards Future Internet Architectures8. Conclusion21 Nokia Siemens NetworksNetworks 2008 - Carrier Ethernet Transport in Metro and Core NetworksClaus G. Gruber, Achim Autenrieth, {claus.gruber,achim.autenrieth}@nsn.com2008/09/29
Going Back to Where It Began We have to go back to 198422 Nokia Siemens NetworksNetworks 2008 - Carrier Ethernet Transport in Metro and Core NetworksClaus G. Gruber, Achim Autenrieth, {claus.gruber,achim.autenrieth}@nsn.com2008/09/29
Network Hierarchy ConceptThe OSI Reference ModelThe concept of layers It is a simple and efficient way of communicationn 1LayerProvides services to higher layerswith standardized interfacesLayernUses services of lower layersn-123Layer Nokia Siemens Networkswith standardized interfacesNetworks 2008 - Carrier Ethernet Transport in Metro and Core NetworksClaus G. Gruber, Achim Autenrieth, {claus.gruber,achim.autenrieth}@nsn.com2008/09/29
Network Hierarchy ConceptThe OSI Reference Model7Application6 Presentation24The OSI reference model provides: Standardized interfaces(compatibility, interoperability and competition) Simplifies network technology developmentconsiderably(just trust and use the functionality of the lower layer)5Session4Transport3NetworkWhy seven layers?2Data Link Is an often discussed question(e.g. “Three layer approach of Future Internet projects)1Physical Nokia Siemens NetworksNetworks 2008 - Carrier Ethernet Transport in Metro and Core NetworksClaus G. Gruber, Achim Autenrieth, {claus.gruber,achim.autenrieth}@nsn.com2008/09/29
Network Hierarchy ConceptThe OSI Reference Model7Application6 Presentation255Session4Transport3Network2Data Link1Physical Nokia Siemens NetworksWhat we call applicatione.g. email client such as Thunderbird9The User8RealApplicationNetwork service part of applicationsProvides network services to applications(e.g. protocols to applications such as snmp)Data presentationPresents data in the right format to the application layer(includes encryption, reformating, restructuring of data)Interapplication communicationMaintains sessions between applicationsEnd-to-end connectionEnsures data transport reliability, information flow(includes maintaining of virtual circuits between hosts)Data deliveryProvides routes between two host systems (might be at different locations)(includes network discovery and routing decision)Access to mediaDefines the data format and how the access to the media is controlled(includes bit-error correction)Binary transmission on a physical linkElectrical, mechanical, procedural, and functional specificationNetworks 2008 - Carrier Ethernet Transport in Metro and Core NetworksClaus G. Gruber, Achim Autenrieth, {claus.gruber,achim.autenrieth}@nsn.com2008/09/29
Network Hierarchy ConceptData eaderHeaderData6 Presentation265Session4Transport3Network2Data Link1Physical Nokia Siemens NetworksHeaderNetworks 2008 - Carrier Ethernet Transport in Metro and Core NetworksClaus G. Gruber, Achim Autenrieth, {claus.gruber,achim.autenrieth}@nsn.com2008/09/29
Network Hierarchy ConceptCommunicationEnd System 2End System 1277G7G6F6F5E4D3COnly instancesof the same layercan talk to each other!5E4D3C32B12B1B22B21A11A1A21A2 Nokia Siemens NetworksIntermediateSystem (IS)CNetworks 2008 - Carrier Ethernet Transport in Metro and Core NetworksClaus G. Gruber, Achim Autenrieth, {claus.gruber,achim.autenrieth}@nsn.com2008/09/29
Sample OSI Layer Protocols and ServicesSpecificationProtocolsServicesOSI Layer287Application6PresentationEnd SystemTransit SystemServices e.g.:Services e.g.:FTP, HTTP,FTP, HTTP,TelnetTelnetServices e.g.:Services e.g.:MIDI, HTML, GIFMIDI, HTML, GIFJPG, ASCIIJPG, ASCII5Sessione.g. Security(Firewall, Proxy)4TransportTCP / UDP3NetworkIP2Data LinkEthernet(IEEE 802.1),LLC, MAC, ATM1PhysicalSDH, OTH,optical framesServices e.g.:Services e.g.:FTP, HTTP,FTP, HTTP,TelnetTelnetServices e.g.:Services e.g.:MIDI, HTML, GIFMIDI, HTML, GIFJPG, ASCIIJPG, ASCIIMessages / & IEEE 802.3,LLC, MAC, ATMBitsInformation unit Nokia Siemens NetworksEnd SystemSDH, OTHoptical framesPacketsFramesBitsGatewayGatewaye.g. Security(Firewall, Proxy)GatewayTCP / UDPGatewayIPRouterEthernet(IEEE 802.1),LLC, MAC, ATMBridgeSwitchSDH, OTHoptical framesInformation unitNetworks 2008 - Carrier Ethernet Transport in Metro and Core NetworksClaus G. Gruber, Achim Autenrieth, 08/09/29TransceiverRepeaterHub, Cable
Network HierarchyAccording to OSI Reference ModelNSN LocationEspooBackbone Network ANSN LocationMunichBackbone Network BRouters are used to connect networksSwitches are used to connect hosts29 Nokia Siemens NetworksNetworks 2008 - Carrier Ethernet Transport in Metro and Core NetworksClaus G. Gruber, Achim Autenrieth, {claus.gruber,achim.autenrieth}@nsn.com2008/09/29
Fixed Transport Network outingMSANBusinessL3 VPNCISL2 switchL2TransportCarrier Ethernet /SDH/SONETCOS Nokia Siemens NetworksCarrier Ethernet /SDH/SONETOpticalTransportOTN/DWDM CoreOTN/DWDMMetroHSI: High Speed Internet CIS: Customer IP serviceMSAN: Multiservice access node (PON, DSLAM)30IP/MPLSCoreBRASLayer 2 VPN,Ethernet /TDMLeasedLineCESCLSBusinessLayer 1Optical/WavelengthLeased LineVoIP, VoD, IPTV, CES: Customer Ethernet ServiceCLS: Customer Legacy ServicesCOS: Customer Optical ServiceNetworks 2008 - Carrier Ethernet Transport in Metro and Core NetworksClaus G. Gruber, Achim Autenrieth, {claus.gruber,achim.autenrieth}@nsn.com2008/09/29
Contents1. Introduction2. Operator Requirements for Transport Networks3. Ethernet Basics Ethernet Standards4. Carrier Ethernet Evolution5. Carrier Ethernet Transport Technologies6. Carrier Ethernet Transport Network Architecture & Sol
Carrier Ethernet Transport in Metro and Core Networks Tutorial by Claus G. Gruber and Achim Autenrieth Nokia Siemens Networks 13t
