,單擊此處編輯母版標(biāo)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(qiáng),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(qiáng),1,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(jié),題要 一、以太網(wǎng)演化和城域以太網(wǎng)論壇,2,一、以太網(wǎng)演化和城域以太網(wǎng)論壇,一、以太網(wǎng)演化和城域以太網(wǎng)論壇,3,城域以太網(wǎng)快速發(fā)展,2004年城域以太網(wǎng)設(shè)備全球銷售額為26億美元，2005年翻一番達(dá)49億美元。預(yù)期2009年可以達(dá)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(shè)，,帶寬可擴(kuò)展和粒度可變。,內(nèi)部開銷低,時(shí)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(shù)兩倍的代價(jià)，提供78倍帶寬。廣域以太網(wǎng)比傳統(tǒng)技術(shù)低2030。此外路由器接口要便宜很多,城域以太網(wǎng)快速發(fā)展2004年城域以太網(wǎng)設(shè)備全球銷售額為26億,4,以太網(wǎng)業(yè)務(wù)預(yù)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,$2.5Billion,$22.2 billion,54.7%,以太網(wǎng)業(yè)務(wù)預(yù)測,“以太網(wǎng)業(yè)務(wù)市場的14%是新開拓的,而 86%將來自傳統(tǒng)業(yè)務(wù)的替代”,Vertical Systems Group,以太網(wǎng)業(yè)務(wù)預(yù)測區(qū)域市場地區(qū)2008CAGRProbe Gro,5,1973,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,采用其它技術(shù)發(fā)展以太網(wǎng)業(yè)務(wù),1970s,1980s,1990s,2000s,從 LAN 擴(kuò)展到 MAN,以太網(wǎng)發(fā)展過程,19731980 DEC,Intel,Xerox bl,6,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(yùn)營商級以太網(wǎng)和業(yè)務(wù),開始工作于,城域以太網(wǎng),為企業(yè)用戶提供光城域網(wǎng)接入連接企業(yè)局域網(wǎng)。,進(jìn)一步擴(kuò)展到發(fā)展,電信級以太網(wǎng)。,概念進(jìn)一步推廣到跨國家全球網(wǎng)絡(luò)提供,全世界業(yè)務(wù),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(chǔ)設(shè)施，業(yè)務(wù)經(jīng)過統(tǒng)一認(rèn)證，獲取規(guī)模經(jīng)濟(jì)效益。,城域以太網(wǎng)網(wǎng)論壇MEF,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(yùn)營商,7,城域以太網(wǎng)業(yè)務(wù)定義,城域以太網(wǎng)論壇(MEF)定義兩種以太網(wǎng)業(yè)務(wù)和三種業(yè)務(wù)類別,業(yè)務(wù)類型,Service Type,業(yè)務(wù)類別,Service Class,關(guān)鍵應(yīng)用,E-Line,以太網(wǎng)專線業(yè)務(wù)Ethernet Private Line Service,存儲,數(shù)據(jù)鏡像,業(yè)務(wù)連續(xù)性,以太網(wǎng)虛擬專線業(yè)務(wù)Ethernet Virtual Private Line Service,服務(wù)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(wù)Ethernet LAN Service,LAN-LAN,VOIP,遠(yuǎn)程學(xué)習(xí),內(nèi)容分發(fā),城域以太網(wǎng)業(yè)務(wù)定義城域以太網(wǎng)論壇(MEF)定義兩種以太網(wǎng)業(yè),8,城域以太網(wǎng)的應(yīng)用,以太網(wǎng)做為業(yè)務(wù),提供和出售連接,商業(yè)市場業(yè)務(wù),Ethernet VPNs,Ethernet Private Line,Ethernet Virtual Private Line,Ethernet Virtual Private LAN,以太網(wǎng)做為基礎(chǔ)設(shè)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(wù),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 IP VPNs,Provider MEN,Voice,ASP,Data,Video,CE,CE,Point-to-Point EVC,UNI,UNI,E-Line Service type,城域以太網(wǎng)的應(yīng)用以太網(wǎng)做為業(yè)務(wù) 以太網(wǎng)做為基礎(chǔ)設(shè)施 Prov,9,二、電信級以太網(wǎng),二、電信級以太網(wǎng),10,什么是電信級以太網(wǎng)?,可擴(kuò)展,業(yè)務(wù)和帶寬,100,000個 EVCs,從 Mbps t到 x10Gbps,保護(hù),50ms 保護(hù),端到端路徑保護(hù),集中線路和結(jié)點(diǎn)保護(hù),服務(wù)質(zhì)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(wù),支持現(xiàn)有話音業(yè)務(wù),業(yè)務(wù)管理,快速提供服務(wù),運(yùn)營商級OAM能力,客戶網(wǎng)絡(luò)管理(CNM),Carrier,Ethernet,電信級以太網(wǎng):IEEE 802.3 以太網(wǎng) 5項(xiàng)運(yùn)營商級特性,什么是電信級以太網(wǎng)?可擴(kuò)展保護(hù)服務(wù)質(zhì)量TDM 支持業(yè)務(wù)管理C,11,電信級以太網(wǎng)提供融合的業(yè)務(wù),Video Source,互聯(lián)網(wǎng),話音網(wǎng)關(guān),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(wù),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(jì)性,電信級以太網(wǎng)提供融合的業(yè)務(wù)Video Source互聯(lián)網(wǎng)話音,12,電信級以太網(wǎng)可以支持兩種核心網(wǎng),IP/MPLS,Internet,IMS,C/S,P2P SIP INON,應(yīng)用：話音 VoIP、,視頻 IPTV,應(yīng)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(fèi)者,電信級以太網(wǎng)可以支持兩種核心網(wǎng)IP/MPLSInternet,13,寬帶業(yè)務(wù)應(yīng)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(qiáng)化業(yè)務(wù),Gigabit connectivity between businesses,Data 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,寬帶業(yè)務(wù)應(yīng)用居民區(qū)商業(yè)移動,14,企業(yè)業(yè)務(wù),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 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,企業(yè)業(yè)務(wù)Inter-LAN,Inter-PABX and,15,加速全球采用電信級以太網(wǎng)和業(yè)務(wù),加速全球采用電信級以太網(wǎng)和業(yè)務(wù),16,以太網(wǎng)業(yè)務(wù)的演化,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,以太網(wǎng)業(yè)務(wù)的演化 Vorizon1998-20042004-,17,Verizon 以太網(wǎng)業(yè)務(wù),Global,National,Metro,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 coming 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 Privat