《千兆以太网组网》PPT课件

千兆以太网组网GigabitEthernetNetworking,DavidG.CunninghamWilliamG.Lane,以太网Ethernet1976XeroxPaloAltoResearchCenter1980年，DEC、Intel和Xerox提出以太网协议标准。以太网的设计目标(TheoriginalEthernetgoals)：简单(Simplicity)价格低(Lowcost)兼容性(Compatibility)寻址灵活(Addressingflexibility)公平性(Fairness)先进性(Progress),高速(Highspeed)低时延(Lowdelay)稳定性(Stability)可维护性(Maintainability)层次结构(Layerarchitecture),以太网的(TheEthernetNon-goals)全双工(Full-duplex)差错控制(ErrorControl)安全性(Security)速率灵活性(SpeedFlexibility)优先级(Priority)不设防(HostileUser),以太网的发展进程(TheDevelopmentofEthernet),10BASE510BASE210BROAD3610Mbps,broadband,3600mCATVcable10BASE-T10Mbps,baseband,overtwotwisted-paircable100BASE-T4100BASE-FX1000BASE-CX1000BASE-LX1000Mbps,longwavelengthoveropticalfiber1000BASE-SX1000Mbps,shortwavelengthoveropticalfiber,LLC-LogicalLinkControl,MACControl(optional),MAC-MediaAccessControl,Reconciliation,GMII,PCS,PMA,PMD,MDI,Medium,MediaDependentPHYGroup,DataLink,MediumDependentInterface,IEEE802.3以太网参考模式,Reconciliation,MII,PLS,PMA,MDI,Medium,Reconciliation,AUI,PMA,MDI,Medium,AUI,1-10Mbps,10Mbps,100-1000Mbps,GigabitEthernet-RM,MACClientSublayer-LLC,Bridgerentity,MACControl(optional),MAC-MediaAccessControl,Reconciliation,GMII,PCS,PMA,PMD,MDI,Medium,MediaDependentPHYGroup,PhysicalCodingSublayerPhysicalMediumAttachmentSub.PhysicalMediumDependentSub.,MdiumIndependentInterface,DataLink,MediumDependentInterface,千兆以太参考模式,协调一致,1000Base-XGigabitEthernet-RM,MACClientSublayer-LLC,Bridgerentity,MACControl(optional),MAC-MediaAccessControl,Reconciliation,GMII,PCS,PMA,SX-PMD,SX-MDI,1000Base-XPHY,MdiumIndependentInterface,DataLink,MediumDependentInterface,协调一致,LX-PMD,LX-MDI,CX-PMD,CX-MDI,LX光纤,SX光纤,150平衡铜缆,IEEE802.31980IEEE802.3u-1995IEEE802.3xmaximumrunlengthof5;maximumrunningdigitalsum(RDS)of3Separatecode-groupfordataandcontrolsignalingAcommaforcode-groupsynchronizationExcellenterrordetectioncapabilities,especiallywithCRC32,theframechecksequenceintheMACframeformatIBMresearchLab,公共物理子层：协调一致(Reconciliation)和千兆介质独立接口(GMII),MACClientSublayer-LLC,Bridgerentity,MACControl(optional),MAC-MediaAccessControl,Reconciliation,GMII,PCS,PMA,SX-PMD,SX-MDI,1000Base-XPHY,MdiumIndependentInterface,DataLink,MediumDependentInterface,协调一致,LX-PMD,LX-MDI,CX-PMD,CX-MDI,LX光纤,SX光纤,150平衡铜缆,GMII,PLS_DATA.request(OUTPUT_UNIT),PLS_Signal.indicate(SIGNAL_STATUS),PLS_DATA.Indicate(INPUT_UNIT),PLS_CARRIER.indicate(CARRIER_STATUS),PLS_DATA_VALID.indicate(DATA_VALID_STATUS),ReconciliationSub.,StationMng.,PCS:PhysicalCodingSublayer,CollisionDetection,TxD(Data、Control、Clock),RxD(Data、Control、Clock),CarrierSense,MngDataI/OandControl,MAC,物理层信令(PLS),物理编码、物理介质附加和自动协商：,MACClientSublayer-LLC,Bridgerentity,MACControl(optional),MAC-MediaAccessControl,Reconciliation,GMII,PCS,PMA,SX-PMD,SX-MDI,1000Base-XPHY,MdiumIndependentInterface,DataLink,MediumDependentInterface,协调一致,LX-PMD,LX-MDI,CX-PMD,CX-MDI,LX光纤,SX光纤,150平衡铜缆,Memory,Memory,LANControlChip,Memory,Memory,SERDESChip,10bits,10bits,并行接口,收发器,PMD,PMA,PCS,MAC,物理层,数据链路层,MAC、存储和接口逻辑8B10B编/解码,串行接口,物理编码子层(PhysicalCodingSub_layer),Transmit,CarrierSense,Receive,Auto-Nego,Sync,tx_code-group,rx_code-group,SIGNAL_DETECT,Sync_status,RxD,TxD,COL,CRS,TX_ENTX_ERGTX_CLK,RX_DVRX_ERRX_CLK,Transmitting,Recieving,Xmit,seenote,并行接口,PMA:PhysicalMediumAttachment,Code-groupAligment,P-S变换,S-P变换,LoopBack,Tx_bit,Rx_bit,1250Mcode-bit/s,SIGNAL_DETECT,Sync.,PMD:PhysicalMediumDependentSublayer,Transmitter,Tx_bit,Rx_bit,1250Mcode-bit/s,SIGNAL_DETECT,Recieve,Transmitsignal,Receivesignal,PMD,MDI,光物理介质相关(OpticalPMD)子层：,光纤(Optical-fiber)光缆和短接线(Cableandpatchcords)连接器(Connectors)光发送器(Opticaltransmitter)激光源(Laserlightsource)激光-纤耦合镜(Laser-to-fibercouplingoptics)激光驱动电路(Laser-drivecircuitry)MDI连接器座(MDIconnectorreceptacle),光接收器(Opticalreceiver)MDIconnectorreceptacle光检测器(Photodetector)前置放大和均衡器(Preamplifierandequalizer)电脉冲再生(Electricalpulseregenerator),PMDTx,T+T-,PMDRx,R+R-,splice,c,c,sp,patchcords,光缆,MDI,MDI,ISO/IEC11801：Channel,SX：62.5umMMF(160/500)Mhz.km,SX：62.5umMMF(200/500)Mhz.km,LX：62.5umMMF(160/500)Mhz.km,LX：50umMMF(400/400)Mhz.km,SX：50umMMF(400/400)Mhz.km,SX：50umMMF(500/500)Mhz.km,LX:10umSMF,30