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1、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),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),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(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，提供,7
2、,8,倍帶寬。廣域以太網(wǎng)比傳統(tǒng)技術(shù)低,20,30,。此外路由器接口要便宜很多,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,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,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)
5、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)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
6、-LAN,VOIP,遠(yuǎn)程學(xué)習(xí),內(nèi)容分發(fā),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
7、 Service type,二、電信級以太網(wǎng),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,項運(yùn)營商級特性,電信級以太網(wǎng)提供融合的業(yè)務(wù),Video Source,互聯(lián)網(wǎng),話
8、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)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,
9、企業(yè)、大客戶、,VIP,寬帶消費(fèi)者,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,Guarante
10、ed 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,企業(yè)業(yè)務(wù),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,加速全球采用電信級以太網(wǎng)和業(yè)務(wù),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
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,以太網(wǎng)業(yè)務(wù),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、以太網(wǎng)傳輸,多種傳輸技術(shù),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(yùn)行在任何基礎(chǔ)設(shè)施上,20%,30%,50%,SONET,L3,Ethernet,WDM,MPLS,RPR,Technology for Ethernet Services,Source:Heavy Read
城域核心網(wǎng)發(fā)展趨勢
