城域核心網(wǎng)發(fā)展趨勢(shì)ppt課件

1、城域中心網(wǎng)開展趨勢(shì)-從以太網(wǎng)城域網(wǎng)到電信級(jí)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(jí)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)快速開展2004年城域以太網(wǎng)設(shè)備全球銷售額為26億美圓，2005年翻一番達(dá)49億美圓。預(yù)期2021年可以到達(dá)150億美圓。城域以太網(wǎng)快速開展的緣由是 簡(jiǎn)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 低本錢：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。此外路由器接口要廉價(jià)很多.以太網(wǎng)業(yè)務(wù)預(yù)測(cè)區(qū)域市場(chǎng)地區(qū)2008CAGRProbe G

2、roup 歐洲$5 billion40%Frost & Sullivan亞太$15.4 billion31.5%Yankee Group北美$4.0 billion57.0%20042009CAGRInfonetics$2.5Billion$22.2 billion54.7%以太網(wǎng)業(yè)務(wù)預(yù)測(cè)“以太網(wǎng)業(yè)務(wù)市場(chǎng)的14%是新開辟的 而 86%未來自傳統(tǒng)業(yè)務(wù)的替代 Vertical Systems Group.1973Meltcalfe & Boggs1980 DEC, Intel, Xerox blue book1985 IEEE 802.3 Ethernet 10 Mbps Standard2.94

3、Mbps10Mbps19811995 100Mbps IEEE Fast Ethernet StandardFirst Products1997 1 Gigabit Ethernet over Fiber Standard1999 1 Gigabit Ethernet over Copper Standard19941997100Mbps10Gbps1Gbps20012001 10 Gigabit Ethernet LAN2001 10 Gigabit Ethernet WANManagement, Higher bandwidth,wireless采用其它技術(shù)開展以太網(wǎng)業(yè)務(wù)1970s1980

4、s1990s 2000s從 LAN 擴(kuò)展到 MAN以太網(wǎng)開展過程.城域以太網(wǎng)論壇MEF成立于2001年6月目的是加速開展運(yùn)營(yíng)商級(jí)以太網(wǎng)和業(yè)務(wù)開場(chǎng)任務(wù)于城域以太網(wǎng),為企業(yè)用戶提供光城域網(wǎng)接入銜接企業(yè)局域網(wǎng)。進(jìn)一步擴(kuò)展到開展電信級(jí)以太網(wǎng)。概念進(jìn)一步推行到跨國(guó)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交融商業(yè)樓宇，居民區(qū)、無線接入共享同一根底設(shè)備，業(yè)務(wù)經(jīng)過一致認(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-Lin

5、e以太網(wǎng)專線業(yè)務(wù)Ethernet Private Line Service存儲(chǔ), 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 ServiceLAN-LAN, VOIP, 遠(yuǎn)程學(xué)習(xí), 內(nèi)容分發(fā).城域以太網(wǎng)的運(yùn)用以太網(wǎng)做為業(yè)務(wù) 提供和出賣銜接商業(yè)市場(chǎng)業(yè)務(wù)Ethernet VPNsEthernet Private LineEthernet Virtual Private LineEthernet Virtual Private LAN以太網(wǎng)做為根底

6、設(shè)備 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(chǔ)城域集中器DSL 集中器無線干線互聯(lián)網(wǎng)接入和 IP VPNsProvider MENVoiceASPDataVideoCECEPoint-to-Point EVCUNIUNIE-Line Service type.二、電信級(jí)以太網(wǎng).什么是電信級(jí)以太網(wǎng)?可擴(kuò)展業(yè)務(wù)和帶寬100,000個(gè) EVCs從 Mbps t到 x10Gbps維護(hù)50ms 維護(hù)端到端途徑維護(hù)集中線路和結(jié)點(diǎn)維護(hù)效力質(zhì)量保證端到端的 SLA端到端的 CIR 和 EIR商業(yè)。挪動(dòng)，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)管理快速提供效力運(yùn)營(yíng)

7、商級(jí)OAM才干客戶網(wǎng)絡(luò)管理 (CNM)CarrierEthernet電信級(jí)以太網(wǎng): IEEE 802.3 以太網(wǎng) 5項(xiàng)運(yùn)營(yíng)商級(jí)特性.電信級(jí)以太網(wǎng)提供交融的業(yè)務(wù)Video Source互聯(lián)網(wǎng)話音網(wǎng)關(guān)Carrier Ethernet話音/視頻HD TVTVoD, VoDVideo Source游戲商業(yè)備份, ERPMobile3G 居民區(qū)Triple-Play商業(yè)寬帶E-Line, E-LAN,和 TDM 業(yè)務(wù)FTTx 和DSLAM 干線寬帶挪動(dòng)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(jiǎn)單和經(jīng)濟(jì)性.電信級(jí)以太網(wǎng)可以支持兩種中心網(wǎng)IP/MPLSInternetIMS

8、C/SP2P SIP INON 運(yùn)用：話音 VoIP 、視頻 IPTV運(yùn)用：話音 互聯(lián)網(wǎng)、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.寬帶業(yè)務(wù)運(yùn)用居民區(qū)Triple Play with IPTV100s of TV channelsVideo on demandVideo recording/playbackInteractive video appsMulti-megabit Internet accessRemote learningGaming商業(yè)強(qiáng)化業(yè)務(wù)Gigabit connectivity between businessesData Center Consolidat

9、ionStorage and disaster recoveryGuaranteed rate multi-megabit Internet accessVideo conferencing & broadcastBusiness telephony挪動(dòng)無線干線Wi-Fi Access deliveryWiMAX infrastructure3G and beyond wirelessNext gen data servicesHigh resolution photoWireless videoGamingDigital TV.企業(yè)業(yè)務(wù)Inter-LAN, Inter-PABX and SA

10、NCustomer siteCustomer siteCustomer siteCarrier EthernetCustomer siteCustomer siteCustomer siteIP VPNNetworkCarrier EthernetCustomer siteCustomer sitewwwCarrier EthernetCustomer siteCustomer siteCustomer siteIP VPNASP, orExtranetwwwCustomer siteCarrier EthernetCustomer siteCustomer siteCustomer site

11、Carrier EthernetVPLS GroupHigh Speed Access to IP-VPNHigh Speed Internet AccessVPLS or VPLS-TE ServiceMulti-Service Access.加速全球采用電信級(jí)以太網(wǎng)和業(yè)務(wù).以太網(wǎng)業(yè)務(wù)的演化 Vorizon1998-20042004-PresentService CharacteristicsBest Effort DataCoS Capabilities include: Best Effort, Priority Data and Real Time CommunicationsAppl

12、icationsBursty high bandwidth dataPriority data, VOIP, Conferencing, Call Center, Distance LearningSpeedsPrimarily 10 megabit at Branch Offices100 meg at HQ and Data Center100 meg UNI at BranchesGigabit at HQ and Data CenterSLAsOperational (Throughput, MTTR, Uptime)Operational and Performance includ

13、ing metrics for (latency, jitter)Service ClassELAN onlyComplete Portfolio including: ELAN, EVPL and ELINE services and emerging Ethernet Access to IPFootprintMetro OnlyMetro, National and emerging global.Verizon 以太網(wǎng)業(yè)務(wù)GlobalNationalMetroCOVERAGEGlobal Data Link (US and 9 European Countries) Ethernet

14、Private LineEthernet Private Line and Dedicated SONET Rings in over 80 marketsEthernet Private Line Layer 1Private IP (metro, national, international)Internet Dedicated (metro, national, international)Ethernet AccessGlobal VPLS coming in 2007Nationwide VPLS coming in Q4 2006VZ E-LAN In-regionE-LANGl

15、obal Data Link (US and 9 European Countries) Ethernet Virtual Private LineEthernet Virtual Private Line in over 80 marketsEthernet Virtual Private Line Layer 2E-LineVerizons Ethernet Product PortfolioService ClassService Type.三、以太網(wǎng)傳輸.多種傳輸技術(shù)Ethernet Connectivity ServicesIP-based ServicesVOIPInternetI

16、P-VPNIPTVEthernetATMPDHE-LINEE-LANVLANMPLSWDMIP 和 Ethernet 運(yùn)轉(zhuǎn)在任何根底設(shè)備上20%30%50%SONETL3EthernetWDMMPLSRPRTechnology for Ethernet ServicesSource: Heavy Reading50+ % 的以太網(wǎng)業(yè)務(wù)利用 SONET30% 的以太網(wǎng)業(yè)務(wù)利用 DWDMMPLS, RPR 也被運(yùn)用DSLPONRPRSONET/SDH傳輸MAC in MACConnectivity ServicesSeparation.以太網(wǎng)傳輸功能和工具集中復(fù)用 維護(hù)間隔缺點(diǎn)部分化端到端QoS以

17、太網(wǎng)SONET/SDHC/DWDM彈性分組環(huán)RPRxSTPMPLS 快速選路PWE3Provider BridgingMAC 包封ECombinations實(shí)現(xiàn)工具包物理層包封附件維護(hù)附件功能ScalabilityReliabilityHardQoS TDM SupportServiceManagementCarrierEthernet.Add/Drop circuitsNo support forpacket servicesDistributed DXCMapping of Packet services to circuitsLimited Statistical multiplexin

18、g Optimized for packet multiplexingMapping of circuitsover packetsTraditionalsynchronization 以太網(wǎng)傳輸技術(shù)演化SONET PHYTDM FabricADMSTS-1VT1.5SONET PHYTDM FabricMSPPSTS-1 VT1.5Packet ServicesSONET PHYNext Generation FabricPacket TransportVT1.5STS-1Packet ServicesTDM TDM + Packet Packet + TDM.SDH Access Ring

19、第一步: 晉級(jí)現(xiàn)有網(wǎng)絡(luò) 重新運(yùn)用SDH的電信級(jí)特征 全-IP 網(wǎng)的演化途徑SDH Metro RingSDHRegional / Backbone RingFTTXDSLMSPPmicroMSPPDWDM NetworkMSTPIP/MPLSIP/MPLSGFPMapper /FramerVCAT /LCASTraditionalSDH/SONETSwitch MatrixEthernet /MPLSSwitch在現(xiàn)有SONET/SDH 設(shè)備中引入以太網(wǎng)線路卡.Ethernet/RPR Ring多地域, 多技術(shù)盡量利用現(xiàn)有網(wǎng)絡(luò)SDH Access RingSDH Metro RingSDHRe

20、gional / Backbone RingFTTXDSLMSPPmicroMSPPDWDM NetworkMSTPIP/MPLSIP/MPLSCarrierEthernetSwitchFTTXDSL地域 1(租借接入)地域 2(自有網(wǎng)絡(luò)) E-LAN提供三重業(yè)務(wù) E-LINE提供商業(yè)銜接.以太網(wǎng)傳輸?shù)慕?jīng)濟(jì)動(dòng)力 充分利用對(duì)SONET/SDH 網(wǎng)絡(luò)的大量投資大約$2000億在現(xiàn)有的SDH網(wǎng)上快速引入可以創(chuàng)收的以太網(wǎng)業(yè)務(wù)在現(xiàn)有的設(shè)備上提供引入以太網(wǎng)接口卡，逐漸地參與以太網(wǎng)功能新一代SONET/SDH 提供向全I(xiàn)P 網(wǎng)演化的途徑平滑演化網(wǎng)絡(luò)支持?jǐn)?shù)據(jù)流銜接固有的局域網(wǎng)接口低初始投資可擴(kuò)展.四、產(chǎn)品和案

21、例.CISCO的 IPTV 方案.DSL (WT-101).Redback Smartedge方案邊緣路由器以太網(wǎng)集中器客戶管理.哈爾濱IPTV.Juniper M 系列邊緣路由器全面的VPN業(yè)務(wù)同時(shí)運(yùn)轉(zhuǎn)第2層虛擬電路、第2層VPN、 第2.5層互通VPN、第3層2547 VPN、VPLS、IPSec、IP over IP和GRE等; 擴(kuò)展性高，可支持成千上萬(wàn)的VPN低時(shí)延、低抖動(dòng)性能的細(xì)粒度QoS，可支持話音、視頻及其他實(shí)時(shí)運(yùn)用 逐DLCI、VP、VC、VLAN、信道(DS0) 和逐端口QoS 分類、速率限制、整形、加權(quán)循環(huán)調(diào)度、嚴(yán)厲優(yōu)先級(jí)調(diào)度、加權(quán)隨機(jī)早期檢測(cè)、隨機(jī)早期檢測(cè)和數(shù)據(jù)包標(biāo)志 將第2層QoS(802.1p、CLP、DE)映射到第3層QoS (