资源描述
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78倍带宽。广域以太网比传统技术低2030。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,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 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-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 Service type,二、电信级以太网,什么是电,信,信级以太,网,网?,可扩展,业务和带,宽,宽,100,000个EVC,s,从 Mbpst到x10Gbps,保护,50ms 保,护,护,端到端,路,路径保,护,护,集中线,路,路和结,点,点保护,服务质,量,量,保证端,到,到端的SLA,端到端,的,的 CIR,和,和 EIR,商业。,移,移动,,居,居民区,TDM,支,支持,无缝集,成,成TDM,电路模,拟,拟业务,支持现,有,有话音,业,业务,业务管,理,理,快速提,供,供服务,运营商,级,级OAM能力,客户网,络,络管理(CNM),Carrier,Ethernet,电信级,以,以太网:IEEE802.3,以,以太,网,网 5项运,营,营商级,特,特性,电信级,以,以太网,提,提供融,合,合的业,务,务,Video Source,互联网,话音网,关,关,Carrier Ethernet,话音/,视,视频,电话,HDTV,TVoD,VoD,Video Source,游戏,商业,备份,ERP,Mobile,3G,居民区,Triple-Play,商业宽,带,带,E-Line,E-LAN,和,和 TDM,业,业务,FTTx 和,DSLAM,干,干线,宽带移,动,动,数据/,视,视频,ATM,的,的QoS和流,量,量工程,SONET/SDH,的,的弹性,和,和管理,以太网,的,的简单,和,和经济,性,性,电信级,以,以太网,可,可以支,持,持两种,核,核心网,IP/MPLS,Internet,IMS,C/S,P2PSIP INON,应用:,话,话音VoIP、,视频IPTV,应用:,话,话音,互,互联网,电,电话、,视频,互,互联网,电,电视、,新,新媒体,企业、,大,大客户,、,、VIP,宽带消,费,费者,宽带业,务,务应用,居民区,TriplePlaywith IPTV,100,sofTVchannels,Videoondemand,Videorecording/playback,Interactivevideoapps,Multi-megabit Internet access,Remotelearning,Gaming,商业,强化业,务,务,Gigabit connectivitybetween businesses,Data CenterConsolidation,Storage anddisasterrecovery,Guaranteed ratemulti-megabitInternetaccess,Videoconferencing&broadcast,Businesstelephony,移动,无线干,线,线,Wi-FiAccessdelivery,WiMAXinfrastructure,3Gandbeyond wireless,Next gendata services,High resolutionphoto,Wirelessvideo,Gaming,Digital TV,企业业,务,务,Inter-LAN,Inter-PABXand SAN,Customersite,Customersite,Customersite,Carrier Ethernet,Customersite,Customersite,Customersite,IPVPN,Network,Carrier Ethernet,Customersite,Customersite,Carrier Ethernet,Customersite,Customersite,Customersite,IPVPN,ASP,or,Extranet,Customersite,Carrier Ethernet,Customersite,Customersite,Customersite,Carrier Ethernet,VPLS Group,High Speed AccesstoIP-VPN,High Speed Internet Access,VPLS or VPLS-TEService,Multi-Service Access,加速全,球,球采用,电,电信级,以,以太网,和,和业务,以太网,业,业务的,演,演化,Vorizon,1998-2004,2004-Present,Service Characteristics,Best Effort Data,CoS Capabilities include:Best Effort,Priority Data and Real Time Communications,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 Performance 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,太网业,务,务,Global,National,Metro,COVERAGE,GlobalDataLink(USand9EuropeanCountries),EthernetPrivate Line,EthernetPrivate Lineand DedicatedSONETRingsinover 80 markets,EthernetPrivate Line,Layer1,Private IP(metro,national,international),InternetDedicated(metro,national,international),EthernetAccess,GlobalVPLScomingin2007,Nationwide VPLScoming in Q4 2006,VZE-LANIn-region,E-LAN,GlobalDataLink(USand9EuropeanCountries),EthernetVirtual PrivateLine,EthernetVirtual PrivateLineinover 80 markets,EthernetVirtual PrivateLine,Layer 2,E-Line,VerizonsEthernetProductPortfolio,Service Class,Service Type,三、以,太,太网传,输,输,多种传,输,输技术,Ethernet,Connectivity,Services,IP-basedServices,VOIP,Internet,IP-VPN,IPTV,Ethernet,ATM,PDH,E-LINE,E-LAN,VLAN,MPLS,WDM,IP,和,和 Ethernet 运,行,行在任,何,何基础,设,设施上,20%,30%,50%,SONET,L3,Ethe
展开阅读全文