GigE--智能管道的基础

2007 Cisco Systems,Inc.All rights reserved.Cisco ConfidentialPresentation_ID1100GigE：智能管道的基础思科中国思科中国 徐建锋徐建锋Oct.2011 2007 Cisco Systems,Inc.All rights reserved.Cisco ConfidentialPresentation_ID2思科智能管道的思科智能管道的“管道管道”数据中心Data Center下一代互联网IP NGN协同工作Collaboration信息Information娱乐Entertainment“平台、网平台、网络络、企、企业业、家庭和、家庭和终终端端”，传输传输、IP、数据中心、内容分、数据中心、内容分发发及其管理控制系及其管理控制系统统端到端的质量和安全保证端到端的质量和安全保证内容分发网络CDNVVI-CDS传输TransportOTN/DWDM/PON企企业业端到端的管理和控制端到端的管理和控制客户网络/资源业务平台 2007 Cisco Systems,Inc.All rights reserved.Cisco ConfidentialPresentation_ID3CPE(gateway)CPE(gateway)CPE(gateway)CPE(gateway)CPE(gateway)宽带接入城域骨干骨干网络家庭网络SplitterSW+OLTSpliterSW+OLTBNGClusterDCL2 CPEOTNSTBIP/MPLS IP LinkIPIP网络向网络向ITIT网络演进网络演进计算、存储以及计算、存储以及CDNCDN等将成为智能管道的一部分等将成为智能管道的一部分IDC计算计算/存储存储/CDN计算计算/存储存储/CDN计算计算/存储存储/CDN计算计算/存储存储/CDN 2007 Cisco Systems,Inc.All rights reserved.Cisco ConfidentialPresentation_ID4CPE(gateway)CPE(gateway)CPE(gateway)CPE(gateway)CPE(gateway)宽带接入城域骨干骨干网络家庭网络SplitterSW+OLTSpliterSW+OLTBNGClusterDCL2 CPEOTNSTBIP/MPLS IP LinkCloudCloud OSOS将将ITIT网络成为统一网络成为统一IaaSIaaS云计算业务平台云计算业务平台 OpenstackOpenstack将成为将成为CloudCloud OSOS的标准的标准IDC计算计算/存储存储/CDN计算计算/存储存储/CDN计算计算/存储存储/CDN计算计算/存储存储/CDNOpenStack 计算计算OpenStack 存储存储OpenStack ImageREST-Based API 2007 Cisco Systems,Inc.All rights reserved.Cisco ConfidentialPresentation_ID5Source:Cisco Visual Networking Index(VNI)Global Mobile Data Forecast,20092014以以FTTHFTTH为主的光接入成为主流为主的光接入成为主流 20152015年，中国将建成年，中国将建成1.51.5亿亿 FTTHFTTH PortPort，约，约1 1亿亿FTTHFTTH用户，带宽达到用户，带宽达到50M50M bpsbps挑战：应用、应用；扩展、扩展；成本、成本挑战：应用、应用；扩展、扩展；成本、成本 2007 Cisco Systems,Inc.All rights reserved.Cisco ConfidentialPresentation_ID6Source:Cisco Visual Networking Index(VNI)Global Mobile Data Forecast,2009201466%8%4%5%17%Mobile VoIPMobile GamingMobile P2PMobile Web/DataMobile Video以以3G/LTE+WiFi3G/LTE+WiFi为主的无线接入迅猛发展为主的无线接入迅猛发展 全国将建成超过全国将建成超过220220万万 WiFiWiFi 热点热点(到到20152015年年)挑战：空口资源的紧张，传送质量的不稳定，挑战：空口资源的紧张，传送质量的不稳定，C/G与与WiFi之间的无缝切换之间的无缝切换 2007 Cisco Systems,Inc.All rights reserved.Cisco ConfidentialPresentation_ID7发展是硬道理和硬要求发展是硬道理和硬要求2015年互联网接入并发流量将达到年互联网接入并发流量将达到330T，是，是2010年的年的10倍倍n90%的流量将是视频流量解决之道：解决之道：100G 2010 Cisco and/or its affiliates.All rights reserved.Cisco Confidential8Ethernet 将沿着 FE-GE-10GE-40GE-100GE 稳步迈进Ethernet 接口将取代POS成为绝对主流，95%的业务流量来自以太网。

SONET/SDH 停止于OC-768（40G POS），将被OTN取代OTN 将以承载以太网为主，而不是SDH以太网用OTN承载，将提供更好的OAM以上发展演进，将带动路由器和传输端口成本的下降以上发展演进，将带动路由器和传输端口成本的下降 2010 Cisco and/or its affiliates.All rights reserved.Cisco Confidential92012年将是100G的商用起跑点POS and SDH R&D/Innovation caps 1995/2004Ethernet has undergone continual innovation since standardizationOTN transitions in 2004/5 from SDH hierarchy to Ethernet payloads1985199019952000200520102015EthernetSONET/SDHOTNStandardFEGE10GE40/100GEStandardPoSStandardEth PayloadDemand and Innovation continueOC3/12OC48OC192OC3OC12OC48OC192OC768SDH PayloadDemand and Innovation continueOTU1/2OTU3OTU4运营商将从运营商将从SDH向以太网发展转变向以太网发展转变 2010 Cisco and/or its affiliates.All rights reserved.Cisco Confidential10IEEE 802.3ba:40Gb/s and 100Gb/s Ethernet Task Force40G and 100G EthernetPhysical interfaces for Backplane,Copper,Fiber PMDsIEEE 802.3bg:40Gb/s SMF Ethernet Task Force40G Serial PMD optimized for carrier applicationsITU Study Group 15:Optical and Transport NetworksOTU4 frame formatSingle mapping for 40GE/100GE into OTU3/OTU4OTL protocol enabling OTU3/4 over multi-lane(low cost)opticsOIF:100G Long-distance DWDM TransmissionIndustry consolidation around a single 100G DWDM solution正式发布正式发布正式发布正式发布正式发布正式发布正式发布正式发布 2009 Cisco Systems,Inc.All rights reserved.Cisco PublicTECRST-2001_c11140GE/100GE 40GE/100GE：物理层接口方式：物理层接口方式 2009 Cisco Systems,Inc.All rights reserved.Cisco PublicTECRST-2001_c112RouterTranspondersDWDMLineFraming MappingClientClientOTU3OC-768 OTU 3OTU 3 OTU 3OC-768POSOC-768 OTU 340GEOTU3OC-768 OTU 3OTU 3 OTU 340GE OTU 340GEOTU3OC-768 OTU 3OTU 3 OTU 340GE OTU 3CFP40G 40G：路由器与传输链路层对接方式：路由器与传输链路层对接方式POSPOS、40GE40GE、OTN-OTU3OTN-OTU3 2009 Cisco Systems,Inc.All rights reserved.Cisco PublicTECRST-2001_c113RouterTranspondersDWDMLineFraming MappingClientClient100GEOTU 4100GE OTU 4OTU 4 OTU 4CFP100G 100G：路由器与传输链路层互联方式：路由器与传输链路层互联方式思科路由器是业界唯一思科路由器是业界唯一同时支持同时支持40GE/OTN-OTU3和和100GE/OTN-OTU4的厂家的厂家 2009 Cisco Systems,Inc.All rights reserved.Cisco PublicTECRST-2001_c114100G100G年代，成本结构正在转变年代，成本结构正在转变 数据速率的增加，光接口的复杂度快速增加，成本在增加 电域ASIC继续按照摩尔定律发展，成本继续下降挑战：光接口成本将成为端到端网络的主要部分挑战：光接口成本将成为端到端网络的主要部分 2009 Cisco Systems,Inc.All rights reserved.Cisco PublicTECRST-2001_c115IPIP overover DWDM DWDM 减少背对背互联减少背对背互联SDHTDM/GEL340/100GSTM64l lNl l1100GOTU4IntegrateIPoDWDMSDHTDM/GEL340/100GSTM64l lNl l1100GOTU4消除光互联，降低网络成本消除光互联，降低网络成本40%的成本 2007 Cisco Systems,Inc.All rights reserved.Cisco ConfidentialPresentation_ID16目标架构：彩光对接，光电分离，电域一体化，目标架构：彩光对接，光电分离，电域一体化，减少光互联减少光互联l lNl l1MPLS Switchl l2IP RoutingOTN SwitchDWDM l lSwitch OTUl lNl l1MPLS Switchl l2IP RoutingOTN SwitchDWDM l lSwitch OTUl lNl l1MPLS Switchl l2IP RoutingOTN SwitchDWDM l lSwitch OTU彩光对接，光电分离彩光对接，光电分离电域一体华，减少光互联电域一体华，减少光互联 2010 Cisco and/or its affiliates.All rights reserved.Cisco Confidential17Full 100 Gb/s bi-directional forwardingCompatible with all current CRS-3 line-card chassis,and CRS-1 line-card chassis with 140G fabric cards100GigE CFP Line Card100GigE CFP Line Card（白光）（白光）-已经规模商用已经规模商用Same optical module and performance as ONS 15454 MSTP 100G trunkSupports IP-over-DWDM features such as Pre-FEC FRR100GigE IP-over-DWDM Line Card100GigE IP-over-DWDM Line Card（彩光）（彩光）-2012-2012年商用年商用 2010 Cisco and/or its affiliates.All rights reserved.Cisco Confidential18100G Suite of Line Cards100G Tunable Line Card10 x10G Muxponder2 x 100G CFP Client2 x 40G CFP Muxponder 2010 Cisco and/or its affiliates.All rights reserved.Cisco Confidential19性能 Performance1600 km proven in field trial over existing infrastructure(9/2011)2500 km running in labImmunity to cycle slips due to differential encoding与现有系统的兼容 Compatibility with existing InfrastructureNo guard band typically required between adjacent channels 10G,40G,100GHigh PMD robustness allows installation over ageing fiber plants高密度 DensityWhen using CXP(100GBASE-SR),six transponders per M6,one per RU彩光方案 IP+Optical integrationProactive FRR regenerationSame module used in 100G trunk card and CRS-3 IPoDWDM line card 2007 Cisco Systems,Inc.All rights reserved.Cisco ConfidentialPresentation_ID20100GigE将在2012年起跑，2013年推广100G年代，路由器和传输的界面将重新定义。