城域核心网发展趋势

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1、单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,城域核心网发展趋势,-,从以太网城域网到电信级以太网,侯自强,题要,一、以太网演化和城域以太网论坛,二、电信级以太网,三、以太网传输,四、产品、案例,五、小结,一、以太网演化和城域以太网论坛,城域以太网快速发展,2004,年城域以太网设备全球销售额为,26,亿美元，,2005,年翻一番达,49,亿美元。预期,2009,年可以达到,150,亿美元。,城域以太网快速发展的原因是,简单、可以快速布设，,带宽可扩展和粒度可变。,内部开销低,时延比采用,3,层的系统低,低成本：城域以太网以传统技术两倍的代价，提供,7

2、,8,倍带宽。广域以太网比传统技术低,20,30,。此外路由器接口要便宜很多,以太网业务预测,区域市场,地区,2008,CAGR,Probe Group,欧洲,$5 billion,40%,Frost&Sullivan,亚太,$15.4 billion,31.5%,Yankee Group,北美,$4.0 billion,57.0%,2004,2009,CAGR,Infonetics,$2.5Billion,$22.2 billion,54.7%,以太网业务预测,“以太网业务市场的,14%,是新开拓的,而,86%,将来自传统业务的替代,”,Vertical Systems Group,1973

3、,Meltcalfe&Boggs,1980 DEC,Intel,Xerox blue book,1985 IEEE 802.3 Ethernet 10 Mbps Standard,2.94Mbps,10Mbps,1981,1995 100Mbps IEEE Fast Ethernet Standard,First Products,1997 1 Gigabit Ethernet over Fiber Standard,1999 1 Gigabit Ethernet over Copper Standard,1994,1997,100Mbps,10Gbps,1Gbps,2001,2001 10

4、Gigabit Ethernet LAN,2001 10 Gigabit Ethernet WAN,Management,Higher bandwidth,wireless,采用其它技术发展以太网业务,1970s,1980s,1990s,2000s,从,LAN,扩展到,MAN,以太网发展过程,城域以太网论坛,MEF,成立于,2001,年,6,月目的是加速发展运营商级以太网和业务,开始工作于,城域以太网,为企业用户提供光城域网接入连接企业局域网。,进一步扩展到发展,电信级以太网。,概念进一步推广到跨国家全球网络提供,全世界业务,接入网可以基于光纤、铜线、,EPON,、无线和有线电视电缆,融合商业

5、楼宇，居民区、无线接入共享同一基础设施，业务经过统一认证，获取规模经济效益。,城域以太网网论坛,MEF,城域以太网业务定义,城域以太网论坛,(MEF),定义两种以太网业务和三种业务类别,业务类型,Service Type,业务类别,Service Class,关键应用,E-Line,以太网专线业务,Ethernet Private Line Service,存储,数据镜像,业务连续性,以太网虚拟专线业务,Ethernet Virtual Private Line Service,服务器加固,大文件传送,以太网,DIA,ELAN,以太网局域网业务,Ethernet LAN Service,LAN

6、-LAN,VOIP,远程学习,内容分发,城域以太网的应用,以太网做为业务,提供和出售连接,商业市场业务,Ethernet VPNs,Ethernet Private Line,Ethernet Virtual Private Line,Ethernet Virtual Private LAN,以太网做为基础设施,支持居民区和商业,Svcs,话音、视频、数据三重业务,互联网接入,存储,城域集中器,DSL,集中器,无线干线,互联网接入和,IP VPNs,Provider MEN,Voice,ASP,Data,Video,CE,CE,Point-to-Point EVC,UNI,UNI,E-Line

7、 Service type,二、电信级以太网,什么是电信级以太网,?,可扩展,业务和带宽,100,000,个,EVCs,从,Mbps t,到,x10Gbps,保护,50ms,保护,端到端路径保护,集中线路和结点保护,服务质量,保证端到端的,SLA,端到端的,CIR,和,EIR,商业。移动，居民区,TDM,支持,无缝集成,TDM,电路模拟业务,支持现有话音业务,业务管理,快速提供服务,运营商级,OAM,能力,客户网络管理,(CNM),Carrier,Ethernet,电信级以太网,:IEEE 802.3,以太网,5,项运营商级特性,电信级以太网提供融合的业务,Video Source,互联网,话

8、音网关,Carrier Ethernet,话音,/,视频,电话,HD TV,TVoD,VoD,Video Source,游戏,商业,备份,ERP,Mobile,3G,居民区,Triple-Play,商业宽带,E-Line,E-LAN,和,TDM,业务,FTTx,和,DSLAM,干线,宽带移动,数据,/,视频,ATM,的,QoS,和流量工程,SONET/SDH,的弹性和管理,以太网的简单和经济性,电信级以太网可以支持两种核心网,IP/MPLS,Internet,IMS,C/S,P2P SIP INON,应用：话音,VoIP,、,视频,IPTV,应用：话音 互联网电话、,视频 互联网电视、新媒体,

9、企业、大客户、,VIP,宽带消费者,宽带业务应用,居民区,Triple Play with IPTV,100s of TV channels,Video on demand,Video recording/playback,Interactive video apps,Multi-megabit Internet access,Remote learning,Gaming,商业,强化业务,Gigabit connectivity between businesses,Data Center Consolidation,Storage and disaster recovery,Guarante

10、ed rate multi-megabit Internet access,Video conferencing&broadcast,Business telephony,移动,无线干线,Wi-Fi,Access delivery,WiMAX,infrastructure,3G and beyond wireless,Next,gen,data services,High resolution photo,Wireless video,Gaming,Digital TV,企业业务,Inter-LAN,Inter-PABX and SAN,Customer site,Customer site,

11、Customer site,Carrier Ethernet,Customer site,Customer site,Customer site,IP VPN,Network,Carrier Ethernet,Customer site,Customer site,www,Carrier Ethernet,Customer site,Customer site,Customer site,IP VPN,ASP,or,Extranet,www,Customer site,Carrier Ethernet,Customer site,Customer site,Customer site,Carr

12、ier Ethernet,VPLS Group,High Speed Access to IP-VPN,High Speed Internet Access,VPLS or VPLS-TE Service,Multi-Service Access,加速全球采用电信级以太网和业务,以太网业务的演化,Vorizon,1998-2004,2004-Present,Service Characteristics,Best Effort Data,CoS Capabilities include:Best Effort,Priority Data and Real Time Communications

13、,Applications,Bursty high bandwidth data,Priority data,VOIP,Conferencing,Call Center,Distance Learning,Speeds,Primarily 10 megabit at Branch Offices,100 meg at HQ and Data Center,100 meg UNI at Branches,Gigabit at HQ and Data Center,SLAs,Operational(Throughput,MTTR,Uptime),Operational and Performanc

14、e including metrics for(latency,jitter),Service Class,ELAN only,Complete Portfolio including:ELAN,EVPL and ELINE services and emerging Ethernet Access to IP,Footprint,Metro Only,Metro,National and emerging global,Verizon,以太网业务,Global,National,Metro,COVERAGE,Global Data Link(US and 9 European Countri

15、es),Ethernet Private Line,Ethernet Private Line and Dedicated SONET Rings in over 80 markets,Ethernet Private Line Layer 1,Private IP(metro,national,international),Internet Dedicated(metro,national,international),Ethernet Access,Global VPLS coming in 2007,Nationwide VPLS coming in Q4 2006,VZ E-LAN I

16、n-region,E-LAN,Global Data Link(US and 9 European Countries),Ethernet Virtual Private Line,Ethernet Virtual Private Line in over 80 markets,Ethernet Virtual Private Line Layer 2,E-Line,Verizons Ethernet Product Portfolio,Service Class,Service Type,三、以太网传输,多种传输技术,Ethernet,Connectivity,Services,IP-based Services,VOIP,Internet,IP-VPN,IPTV,Ethernet,ATM,PDH,E-LINE,E-LAN,VLAN,MPLS,WDM,IP,和,Ethernet,运行在任何基础设施上,20%,30%,50%,SONET,L3,Ethernet,WDM,MPLS,RPR,Technology for Ethernet Services,Source:Heavy Read