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1、Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,*,單擊此處編輯母版標題樣式,單擊此處編輯母版文本樣式,第二級,第三級,第四級,第五級,*,城域核心網(wǎng)發(fā)展趨勢,-,從以太網(wǎng)城域網(wǎng)到電信級以太網(wǎng),侯自強,題要,一、以太網(wǎng)演化和城域以太網(wǎng)論壇,二、電信級以太網(wǎng),三、以太網(wǎng)傳輸,四、產(chǎn)品、案例,五、小結,一、以太網(wǎng)演化和城域以太網(wǎng)論壇,城域以太網(wǎng)快速發(fā)展,2004年城域以太網(wǎng)設備全球銷售額為26億美元，2005年翻

2、一番達49億美元。預期2009年可以達到150億美元。,城域以太網(wǎng)快速發(fā)展的原因是,簡單、可以快速布設，,帶寬可擴展和粒度可變。,內部開銷低,時延比采用3層的系統(tǒng)低,低成本：城域以太網(wǎng)以傳統(tǒng)技術兩倍的代價，提供78倍帶寬。廣域以太網(wǎng)比傳統(tǒng)技術低2030。此外路由器接口要便宜很多,以太網(wǎng)業(yè)務預測,區(qū)域市場,地區(qū),2008,CAGR,Probe Group,歐洲,$5 billion,40%,Frost&Sullivan,亞太,$15.4 billion,31.5%,Yankee Group,北美,$4.0 billion,57.0%,2004,2009,CAGR,Infonetics,$2.5B

3、illion,$22.2 billion,54.7%,以太網(wǎng)業(yè)務預測,“以太網(wǎng)業(yè)務市場的14%是新開拓的,而 86%將來自傳統(tǒng)業(yè)務的替代”,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 S

4、tandard,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,采用其它技術發(fā)展以太網(wǎng)業(yè)務,1970s,1980s,1990s,2000s,從 LAN 擴展到 MAN,以太網(wǎng)發(fā)展過程,城域以太網(wǎng)論壇MEF成立于2001年6月目的是加速發(fā)展運營商級以太網(wǎng)和業(yè)務,開始工作于,城域以太網(wǎng),為企業(yè)用戶提

5、供光城域網(wǎng)接入連接企業(yè)局域網(wǎng)。,進一步擴展到發(fā)展,電信級以太網(wǎng)。,概念進一步推廣到跨國家全球網(wǎng)絡提供,全世界業(yè)務,接入網(wǎng)可以基于光纖、銅線、EPON、無線和有線電視電纜,融合商業(yè)樓宇，居民區(qū)、無線接入共享同一基礎設施，業(yè)務經(jīng)過統(tǒng)一認證，獲取規(guī)模經(jīng)濟效益。,城域以太網(wǎng)網(wǎng)論壇MEF,城域以太網(wǎng)業(yè)務定義,城域以太網(wǎng)論壇(MEF)定義兩種以太網(wǎng)業(yè)務和三種業(yè)務類別,業(yè)務類型,Service Type,業(yè)務類別,Service Class,關鍵應用,E-Line,以太網(wǎng)專線業(yè)務Ethernet Private Line Service,存儲,數(shù)據(jù)鏡像,業(yè)務連續(xù)性,以太網(wǎng)虛擬專線業(yè)務Ethernet Vir

6、tual Private Line Service,服務器加固,大文件傳送,以太網(wǎng)DIA,ELAN,以太網(wǎng)局域網(wǎng)業(yè)務Ethernet LAN Service,LAN-LAN,VOIP,遠程學習,內容分發(fā),城域以太網(wǎng)的應用,以太網(wǎng)做為業(yè)務,提供和出售連接,商業(yè)市場業(yè)務,Ethernet VPNs,Ethernet Private Line,Ethernet Virtual Private Line,Ethernet Virtual Private LAN,以太網(wǎng)做為基礎設施,支持居民區(qū)和商業(yè) Svcs,話音、視頻、數(shù)據(jù)三重業(yè)務,互聯(lián)網(wǎng)接入,存儲,城域集中器,DSL 集中器,無線干線,互聯(lián)網(wǎng)接入和

7、 IP VPNs,Provider MEN,Voice,ASP,Data,Video,CE,CE,Point-to-Point EVC,UNI,UNI,E-Line Service type,二、電信級以太網(wǎng),什么是電信級以太網(wǎng)?,可擴展,業(yè)務和帶寬,100,000個 EVCs,從 Mbps t到 x10Gbps,保護,50ms 保護,端到端路徑保護,集中線路和結點保護,服務質量,保證端到端的 SLA,端到端的 CIR 和 EIR,商業(yè)。移動，居民區(qū),TDM 支持,無縫集成TDM,電路模擬業(yè)務,支持現(xiàn)有話音業(yè)務,業(yè)務管理,快速提供服務,運營商級OAM能力,客戶網(wǎng)絡管理(CNM),Carrier

8、,Ethernet,電信級以太網(wǎng):IEEE 802.3 以太網(wǎng) 5項運營商級特性,電信級以太網(wǎng)提供融合的業(yè)務,Video Source,互聯(lián)網(wǎng),話音網(wǎng)關,Carrier Ethernet,話音/視頻,電話,HD TV,TVoD,VoD,Video Source,游戲,商業(yè),備份,ERP,Mobile,3G,居民區(qū),Triple-Play,商業(yè)寬帶,E-Line,E-LAN,和 TDM 業(yè)務,FTTx 和,DSLAM 干線,寬帶移動,數(shù)據(jù)/視頻,ATM的QoS和流量工程,SONET/SDH的彈性和管理,以太網(wǎng)的簡單和經(jīng)濟性,電信級以太網(wǎng)可以支持兩種核心網(wǎng),IP/MPLS,Internet,IMS

9、,C/S,P2P SIP INON,應用：話音 VoIP、,視頻 IPTV,應用：話音 互聯(lián)網(wǎng)電話、,視頻 互聯(lián)網(wǎng)電視、新媒體,企業(yè)、大客戶、VIP,寬帶消費者,寬帶業(yè)務應用,居民區(qū),Triple Play with IPTV,100s of TV channels,Video on demand,Video recording/playback,Interactive video apps,Multi-megabit Internet access,Remote learning,Gaming,商業(yè),強化業(yè)務,Gigabit connectivity between businesses,D

10、ata Center Consolidation,Storage and disaster recovery,Guaranteed rate multi-megabit Internet access,Video conferencing&broadcast,Business telephony,移動,無線干線,Wi-Fi Access delivery,WiMAX infrastructure,3G and beyond wireless,Next gen data services,High resolution photo,Wireless video,Gaming,Digital TV

11、,企業(yè)業(yè)務,Inter-LAN,Inter-PABX and SAN,Customer site,Customer site,Customer site,Carrier Ethernet,Customer site,Customer site,Customer site,IP VPN,Network,Carrier Ethernet,Customer site,Customer site,Carrier Ethernet,Customer site,Customer site,Customer site,IP VPN,ASP,or,Extranet,Customer site,Carrier

12、Ethernet,Customer site,Customer site,Customer site,Carrier Ethernet,VPLS Group,High Speed Access to IP-VPN,High Speed Internet Access,VPLS or VPLS-TE Service,Multi-Service Access,加速全球采用電信級以太網(wǎng)和業(yè)務,以太網(wǎng)業(yè)務的演化,Vorizon,1998-2004,2004-Present,Service Characteristics,Best Effort Data,CoS Capabilities include

13、: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,Operati

14、onal(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 以太網(wǎng)業(yè)務,Global,National,Me

15、tro,COVERAGE,Global Data Link(US and 9 European Countries),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 comi

16、ng in 2007,Nationwide VPLS coming in Q4 2006,VZ E-LAN In-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、以太網(wǎng)傳輸,多種傳輸技術,Ethernet,Connectivity,Services,IP-based Services,VOIP,Internet,IP-VPN,IPTV,Ethernet,ATM,PDH,E-LINE,E-LAN,VLAN,MPLS,WDM,IP 和 Ethernet 運行在任何基礎設施上,20%,30%,50%,SONET,L3,Ethernet,WDM,MPLS