IEEE 802.3 Ethernet

1 IEEE EthernetDavid LawIEEE Working Group Chair (January 2010)IEEE Overview (Version - January 2010)AgendaIEEE OverviewIEEE Ethernet Physical LayersRate, distance, mediaIEEE Ethernet emerging technologiesNew physical layers, new technologiesConclusionIEEE Overview (Version - January 2010)AgendaIEEE OverviewIEEE Ethernet Physical LayersRate, distance, mediaIEEE Ethernet emerging technologiesNew physical layers, new technologiesConclusionIEEE Overview (Version - January 2010)IEEE Std Frame formatMAC Client DataSADASize (Octets)66246 to 1500 or 1504 or 19824 SFDP reamble17 Key: SFD Start frame delimiterDA Destination addressSA Source addressMAC Medium access controlFCS Frame check sequencePADE xtensionFCSL ength/TypeFramePacketIEEE Overview (Version - January 2010)IEEE Std layer diagram 1Mb/s and 10Mb/s PMAM ediumPhysicalData linkNetworkTransportSessionPresentationM ACMAC controlLLC or other MAC clientHigher layersAUIKey: LLC Logical link controlMAC Medium access controlPLS Physical layer signallingAUI Attachment unit interfaceMAU Medium attachment unitPMA Physical medium attachmentMDI Media dependant interfaceMDIPLSMAUA pplicationOSI Reference model layersIEEE Overview (Version - January 2010)Key.

2 LLC Logical link controlMAC Medium access controlRS Reconciliation sublayerxMII Medium independent interfacePHY Physical layer devicePCS Physical coding sublayerPMA Physical medium attachmentPMD Physical medium dependantMDI Media dependant interfaceIEEE Std layer diagram 100Mb/s and aboveRSPCSM ediumPhysicalData linkNetworkTransportSessionPresentationM ACMAC controlLLC or other MAC clientHigher layersMDIxMIIPMAPMDPHYA pplicationOSI Reference model layersxMII:MII 100Mb/s Medium independent interface GMII 1 Gb/s Medium independent interfaceXGMII 10 Gb/s Medium independent interfaceIEEE Overview (Version - January 2010)AgendaIEEE OverviewIEEE Ethernet Physical LayersRate, distance, mediaIEEE Ethernet emerging technologiesNew physical layers, new technologiesConclusionIEEE Overview (Version - January 2010)

3 10Mb/s and 100 Mb/s EthernetPHY TypeData rateDistanceMediaIEEE Std Ethernet MAC, 10 BASE510 BASE510Mb/s500mCoaxialIEEE Std Repeater, FOIRLFOIRL10Mb/s1kmTwo multimodeIEEE Std 10 BASE210 BASE210Mb/s185mCoaxialIEEE Std 10 BASE-T10 BASE-T10Mb/s100mTwisted-pairIEEE Std 10 BASE-F10 BASE-FP10Mb/s1kmTwo multimode10 BASE-FL10Mb/s2kmTwo multimode10 BASE-FB10Mb/s2kmTwo multimodeIEEE Std 100 BASE-T100 BASE-TX100Mb/s100m2 pair Cat 5100 BASE-T4100Mb/s100m4 pair Cat 3100 BASE-FX100Mb/s2 KmTwo multimodeIEEE Std Full DuplexIEEE Std 100 BASE-T2100 BASE-T2100Mb/s100m2 pair Cat 310M100M1000M10G100G10102103104105- Backplane- Twisted pair- Twin-axial-Co-axial- Multimode Fibre- Point to Multipoint Fibre1 Key:Distance (m)Rate (b/s)- Voice grade copper- Single-mode Overview (Version - January 2010)IEEE Std 100 BASE-T IEEE Std Full Duplex TIA/EIA 568:1991 Structured building wiring ISO/IEC 11801:1995 Structured building wiringTopology evolutionDTEDTEDTEDTEDTEDTERptrBridgeDTE DTEDTEDTEDTEDTEB ridgeDTEDTEDTEDTEDTEDTEDTEDTEDTEDTERptrD TEDTEDTEDTEB ridgeDTEDTEDTERptrDTEDTEDTEDTEDTEB ridgeDTEDTEDTEDTEDTEDTE- Collision domain - 10 BASE2/10 BASE5 - 10 BASE-T link - 10 BASE-F link - 100 BASE-F linkKey.

4 IEEE Std 10 BASE-T IEEE Std 10 BASE-FIEEE Overview (Version - January 2010)1Gb/s and 10 Gb/s EthernetPHY TypeData rateDistanceMediaIEEE Std 1 Gb/s Operation1000 BASE-SX1Gb/s220m 550mTwo multimode fibres1000 BASE-LX1Gb/s5Km 550mTwo single-mode Two multimode1000 BASE-CX1Gb/s25mCopper cable assemblyIEEE Std , 1000 BASE-T1000 BASE-T1Gb/s100mTwisted-pairIEEE Std Link AggregationIEEE Std 10 Gb/s Operation10 GBASE-SR/W10Gb/s33m 300mTwo multimode10 GBASE-LX410Gb/s10Km 300mTwo single-mode Two multimode10 GBASE-LR/W10Gb/s10 KmTwo single-mode10 GBASE-ER/W10Gb/s40 KmTwo single-mode10M100M1000M10G100G1010210310 4105- Backplane- Twisted pair- Twin-axial-Co-axial- Multimode Fibre- Point to Multipoint Fibre1 Key:Distance (m)Rate (b/s)- Voice grade copper- Single-mode Overview (Version - January 2010) Ethernet in the First MilePHY TypeData rateDistanceMediaIEEE Std Ethernet in the First Mile100 BASE-LX10100Mb/s10 KmTwo single-mode100 BASE-BX10100Mb/s10 KmOne single-mode1000 BASE-LX101000Mb/s10Km 550mTwo single-mode Two multimode1000 BASE-BX101000Mb/s10 KmOne single-mode1000 BASE-PX101000Mb/s10 KmOne single-mode Point to Multipoint1000 BASE-PX201000Mb/s20Km10 PASS-TS10Mb/s*750m*Voice grade copper2 BASE-TL2Mb/s*2Km*Voice grade copper10M100M1000M10G100G10102103104105- Backplane- Twisted pair- Twin-axial-Co-axial- Multimode Fibre- Point to Multipoint Fibre1 Key.

5 Distance (m)Rate (b/s)- Voice grade copper- Single-mode * Nominal speed and reachIEEE Overview (Version - January 2010)10 Gb/s PHYs, Backplane EthernetPHY TypeData rateDistanceMediaIEEE Std , 10 GBASE-CX410 GBASE-CX410Gb/s15mCopper cable assemblyIEEE Std , 10 GBASE-T10 GBASE-T10Gb/s100mTwisted-pairIEEE Std ,Electrical Backplanes1000 BASE-KX1000Mb/s1mBackplane10 GBASE-KX4 10Gb/s1mBackplane10 GBASE-KR 10Gb/s1mBackplaneIEEE Std , 10 GBASE-LRM10 GBASE-LRM10Gb/s100m 220mTwo multimode10M100M1000M10G100G101021031041 05- Backplane- Twisted pair- Twin-axial-Co-axial- Multimode Fibre- Point to Multipoint Fibre1 Key:Distance (m)Rate (b/s)- Voice grade copper- Single-mode Overview (Version - January 2010)Drivers IEEE Std Provider Bridging Tag in Tag IEEE Std MAC Security Cipher blockApproach Minimal changes Provide for envelope round frame No expansion of MAC Client Data Jumbo frames not supportedFrame sizes supported 1518 decimal basic frames 1522 decimal Q-tagged frames 2000 decimal envelope framesIEEE Std Frame ExtensionEnvelope SuffixMAC Client DataLength/TypeEnvelope PrefixSADAFCSSize (Octets)662 to 482 Note 1246 to 15000 to 480 Note 14 Note 1.

6 Envelope prefix + suffix 482 IEEE Overview (Version - January 2010)AgendaIEEE OverviewIEEE Ethernet Physical LayersRate, distance, mediaIEEE Ethernet emerging technologiesNew physical layers, new technologiesConclusionIEEE Overview (Version - January 2010)IEEE Ethernet emerging technologiesDemand for increased bandwidth By connected devices By devices aggregating these devicesContinuing evolution of Ethernet DTE Power via MDI Energy-efficient Ethernet Mapping to OTNC onvergence around Ethernet Data Centre Bridging ( FCoE, iWARP) Audio/Video BridgingIEEE Overview (Version - January 2010)Central Office (CO)SubscriberSubscriberSubscriberSubscr iberSubscriberSubscriberOptical splitter/combinerSingle fibreIEEE Std Ethernet Passive Optical Network (EPON) ArchitectureFirst mile (subscriber access) technology Point to multipoint fibre mediaIEEE Overview (Version - January 2010)OLTC entral officeSubscribersOptical splitter/combinerONUONUONUIEEE Std Ethernet Passive Optical Network (EPON) ArchitectureIEEE Overview (Version - January 2010)IEEE Std 10Gb/s Ethernet Passive Optical Network1Gb/s Passive Optical Networks already supported Included in IEEE Std Ethernet in First Mile 1 Gb/s downstream and upstreamParticularly successful in APR Competing standards impediment to wider PONs adoption Both IEEE EPONs and ITU specified GPONsBandwidth demands increasing IPTV, VoDIEEE Std 10Gb/s EPON Symmetric 10 Gb/s downstream and upstream Asymmetric 10 Gb/s downstream, 1Gb/s upstreamIEEE Overview (Version - January 2010)

7 IEEE Std 10Gb/s EPON Ethernet PHY Types10M100M1000M10G100G10102103104105- Backplane- Twisted pair- Twin-axial-Co-axial- Multimode Fibre- Point to Multipoint Fibre1 Key:Distance (m)Rate (b/s)- Voice grade copper- Single-mode TypeData rateSplit ratioDistanceUpDown10/1 GBASE-PRX11Gb/s10Gb/s1:1610km10/1 GBASE-PRX21Gb/s10Gb/s1:1620km1:3210km10/ 1 GBASE-PRX31Gb/s10Gb/s1:3220km10 GBASE-PR110Gb/s10Gb/s1:1610km10 GBASE-PR210Gb/s10Gb/s1:1620km1:3210km10 GBASE-PR310Gb/s10Gb/s1:3220kmIEEE Overview (Version - January 2010)IEEE 40Gb/s and 100Gb/s Ethernet Interface(s)PCS PMAPMDPMAR econciliationMACMAC Control (Optional)Higher LayersOptional PMA ExtenderMediumXLGMII/CGMIIXLAUI/CAUIPCS = Physical Coding SublayerPMA = Physical Medium Attachment PMD = Physical Medium DependentXLPPI/CPPIO ptional PMA ExtenderMDIXLGMII / CGMII 40 / 100 Gigabit Media Independent InterfaceTX and RX data paths64 data (8 lanes of 8 bits), 8 Control, 1 Clock, 625 Mhz @ 40Gb/s, @ 100Gb/sLogical interface (supports system on a chip)XLAUI / CAUI40 / 100 Gb/s Attachment Unit Interface4 (XLAUI) / 10 (CAUI) lanes of 10Gb/s, 64B/66B encoded, support 25cm FR- 4 PCB tracesTotal: XLAUI 16 pins.

8 CAUI 40 pinsXLPPI / CPPI40 / 100 Gb/s Parallel Physical Interface 40 GBASE-SR4 or 100 GBASE-SR10 Encoding the same as XLAUI/CAUI No retiming (short distance)IEEE Overview (Version - January 2010)PHY TypeData rateDistanceMediaTechnology100 GBASE-ER4 100Gb/s40kmSingle Mode Fibre4 x 25Gb/s ( ) 1310nm DWDM (5nm), SOA100 GBASE-LR4 100Gb/s10km4 x 25Gb/s ( ) 1310nm DWDM (5nm)40 GBASE-LR4 40Gb/s4 x 10Gb/s ( ) 1310nm CWDM (20nm)100 GBASE-SR10 100Gb/s100mOM3 multimode fibre10 x 10Gb/s ( ) 850nm, 10 pairs of fibres40 GBASE-SR4 40Gb/s4 x 10Gb/s ( ) 850nm, 4 pairs of fibres100 GBASE-CR10 100Gb/s7mCopper cable assembly10 x 10Gb/s ( ) 10 differential pairs40 GBASE-CR4 40Gb/s4 x 10Gb/s ( ) 4 differential pairs40 GBASE-KR4 40Gb/s1mBackplane4 x 10Gb/s ( ) 4 10 GBASE-KR channelsIEEE 40Gb/s and 100Gb/s Ethernet PHY typesIEEE Overview (Version - January 2010)IEEE 40Gb/s and 100Gb/s Ethernet PHY Types under development10M100M1000M10G100G1010210310 4105- Backplane- Twisted pair- Twin-axial-Co-axial- Multimode Fibre- Point to Multipoint Fibre1 Key.

9 Distance (m)Rate (b/s)- Voice grade copper- Single-mode TypeData rateDistanceMedia100 GBASE-ER4 100Gb/s40kmDual Single-mode fibres100 GBASE-LR4 100Gb/s10km40 GBASE-LR4 40Gb/s100 GBASE-SR10 100Gb/s100m 125mMultiple multimode fibres40 GBASE-SR4 40Gb/s100 GBASE-CR10 100Gb/s7mCopper cable assembly40 GBASE-CR4 40Gb/s40 GBASE-KR4 40Gb/s1mBackplaneIEEE Overview (Version - January 2010)IEEE Std DTE Power Enhancement OverviewAmendment to IEEE Std DTE Power via MDI Interoperation with existing equipment Higher power source will supply existing devicesModification to existing standard so need to identify PSE Type 1 - Existing IEEE Std PSEs and PDs Type 2 New higher power capacity PSEs and PDsCabling 100 meters of ISO/IEC 11801-1995 Class D or better Loop resistance less that 25 Ohms Met by Category 5 or better Under worst case conditions requires a 10C reduction in maximum ambient operating temperature of the a Watts at PDIEEE Overview (Version - January 2010)

10 IEEE Energy-efficient Ethernet Idle operation overviewPacketIPGP acketIPGR efreshRefreshWakePacketIPGP acketLow power modeSignal to receiveSystem to exit low power stateNormal operationNormal operationSleepUpdates receiver parameters, timing information and filter coefficientsIEEE Overview (Version - January 2010)IEEE Energy-efficient Ethernet System energy savingsPHYTxQueueLPI PolicyTX LPIRX Power controlPolicy and system statusRX LPITX systemRX systempower downPolicy and system statusPHYTxQueueTX LPIRX Power controlPolicy and system statusRX LPITX systemRX systempower downPolicy and system statusDTE 1 LPI PolicyDTE 2 IEEE Overview (Version - January 2010)IEEE Energy-efficient Ethernet System energy savings, TX queue emptyPHYTxQueueLPI PolicyTX LPIRX Power controlPolicy and system statusRX LPIPort TX systemPort RX systempower downPolicy and system statusPHYTxQueueTX LPIRX Power controlPolicy and system statusRX LPINIC TX systemNIC RX systempower downPolicy and system statusDTE 2 DTE 1 LPI PolicyIEEE Overview (Version - January 2010)200520062007200820092010Q1Q2Q3Q4Q1Q 2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4 IEEE Std DTE Power enhancementsSGSTDTFIEEE project statusWGSBSTDSGIEEE Std 10Gb/s PHY for EPONSTDSGSGIEEE 40Gb/s & 100Gb/s EthernetIEEE Energy- efficient EthernetTFWGSBIEEE Std Link Aggregation (IEEE )