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Page 1Version 1.1 Ethernet Alliance Technology Exploration Forum - 15th September 2009
IEEE 802.3 EthernetThe ubiquitous
wired connectivitytechnology
David LawIEEE 802.3 Working Group Chair
David_Law@3Com.com
Page 2Version 1.1 Ethernet Alliance Technology Exploration Forum - 15th September 2009
Before I Share My Views…
“At lectures, symposia, seminars, or educational courses, an individual
presenting information on IEEE standards shall make it clear that his or her views
should be considered the personal views of that individual rather than the formal
position, explanation, or interpretation of the IEEE.”
IEEE-SA Standards Board Operation Manual (subclause 5.9.3)
Page 3Version 1.1 Ethernet Alliance Technology Exploration Forum - 15th September 2009
AgendaIEEE 802.3 Ethernet OverviewStructure, process, timelines, projects
IEEE 802.3 Ethernet Physical LayersRate, distance, media
IEEE 802.3 Ethernet emerging technologiesNew physical layers, New bridging technologies
Conclusion
Page 4Version 1.1 Ethernet Alliance Technology Exploration Forum - 15th September 2009
AgendaIEEE 802.3 Ethernet OverviewStructure, process, timelines, projects
IEEE 802.3 Ethernet Physical LayersRate, distance, media
IEEE 802.3 Ethernet emerging technologiesNew physical layers, New bridging technologies
Conclusion
Page 5Version 1.1 Ethernet Alliance Technology Exploration Forum - 15th September 2009
IEEE-SA OverviewIEEEIEEE
IEEE Standards Association (IEEE-SA)IEEE Standards Association (IEEE-SA)
Standards BoardStandards Board
IEEE 802Sponsor Executive
Committee
IEEE 802Sponsor Executive
Committee
ReviewCommittee(RevCom)
ReviewCommittee(RevCom)
IEEE 802.3Working Group
IEEE 802.3Working Group
PatentCommittee(PatCom)
PatentCommittee(PatCom)
New Stds.Committee(NesCom)
New Stds.Committee(NesCom)
Board of GovernorsBoard of Governors
Page 6Version 1.1 Ethernet Alliance Technology Exploration Forum - 15th September 2009
IEEE 802 Overview
IEEE 802.3Ethernet Working Group
IEEE 802.3Ethernet Working Group
IEEE 802.16Broadband Wireless
Access Working Group
IEEE 802.16Broadband Wireless
Access Working Group
IEEE 802.11Wireless LAN
Working Group
IEEE 802.11Wireless LAN
Working Group
IEEE 802.1Bridging, Architecture
Working Group
IEEE 802.1Bridging, Architecture
Working Group
IEEE 802.15Wireless Personal Area
Networks Working Group
IEEE 802.15Wireless Personal Area
Networks Working Group
IEEE 802.18Radio Regulatory
Technical Advisory Group
IEEE 802.18Radio Regulatory
Technical Advisory Group
IEEE 802.17Resilient Pack Ring
Working Group
IEEE 802.17Resilient Pack Ring
Working Group
IEEE 802.19Coexistence
Technical Advisory Group
IEEE 802.19Coexistence
Technical Advisory Group
IEEE 802.20Mobile BroadbandWireless AccessWorking Group
IEEE 802.20Mobile BroadbandWireless AccessWorking Group
IEEE 802.21Media Independent
Handoff
IEEE 802.21Media Independent
Handoff
IEEE 802.22Wireless Regional Area
Networks Working Group
IEEE 802.22Wireless Regional Area
Networks Working Group
Disbanded (Inactive and standard withdrawn)IEEE 802.4 Token Bus Working GroupIEEE 802.6 Distributed Queue Dual Bus Working GroupIEEE 802.7 Broadband Technical Advisory GroupIEEE 802.8 Fiber Optic Technical Advisory GroupIEEE 802.9 Integrated Service LAN Working GroupIEEE 802.10 Security Working GroupIEEE 802.14 CATV Working Group
White Space Executive Committee
Study Group
White Space Executive Committee
Study Group
IEEE 802 Sponsor Executive CommitteeIEEE 802 Sponsor Executive Committee
Hibernation (Inactive, standard active)IEEE 802.2 LLC Working Group IEEE 802.5 Token Ring Working GroupIEEE 802.12 Demand Priority Working Group
Emergency Services Executive Committee
Study Group
Emergency Services Executive Committee
Study Group
Page 7Version 1.1 Ethernet Alliance Technology Exploration Forum - 15th September 2009
IEEE 802.3 Standards Development Overview
Call for Interest
Study Group
Task Force review
Working Group Ballot
Sponsor Ballot
Standards BoardApproval
Sufficient Interest
Approved ProjectAuthorisationRequest (PAR)
Pass Working Group Ballot
Pass Sponsor Ballot
Completed Draft
Votes on technical issues requires a minimum of 75% approval to pass
Idea
Page 8Version 1.1 Ethernet Alliance Technology Exploration Forum - 15th September 2009
2000
F M A M J
2002
N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J
N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J
M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D
IEEE P802.3u PAR Approved
IEEE P802.3z PAR Approved
IEEE P802.3ae PAR Approved
IEEE Std 802.3u-1995 100Mb/s Ethernet
IEEE Std 802.3z-1998 1Gb/s Ethernet
IEEE Std 802.3ae-2002 10Gb/s Ethernet
Working groupballot
Sponsorballot
Standardapproved
Task Forcereview
High Speed Study Group
HSSGformed
Task Forcereview
Working groupballot Sponsor ballot
1997
IEEE P802.3z 1Gb/s Ethernet Task ForceHigh Speed Study Group
19981996
1994 19951993
IEEE P802.3u 100Mb/s Ethernet Task Force
20011999
Standardapproved
HSSGformed
Standardapproved
HSSGformed
Task Forcereview
Working groupballot
J
Sponsor ballot
High Speed Study Group IEEE P802.3ae 10Gb/s Ethernet Task Force
D1 D2 D3 D4 D5
D5D4D3D2D1
D1 D2 D5D4D3
2008
F M A M J
2010
J F M A M J J A S O N D J F M A M J J A S O N D
IEEE P802.3ba PAR Approved
IEEE P802.3ba 40Gb/s and 100Gb/s Ethernet
2009
Standardapproved
HSSGformed
Task Forcereview
Working groupballot
J
Sponsor ballot
High Speed Study Group IEEE P802.3ba 40Gb/s and 100Gb/s Ethernet Task Force
D3D2D1
D
2007
F M A M J J A S O NDA S O N
2006
J
PlannedJ
2000
F M A M J
2002
N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J
N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J
M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D
IEEE P802.3u PAR Approved
IEEE P802.3z PAR Approved
IEEE P802.3ae PAR Approved
IEEE Std 802.3u-1995 100Mb/s Ethernet
IEEE Std 802.3z-1998 1Gb/s Ethernet
IEEE Std 802.3ae-2002 10Gb/s Ethernet
Working groupballot
Sponsorballot
Standardapproved
Task Forcereview
High Speed Study Group
HSSGformed
Task Forcereview
Working groupballot Sponsor ballot
1997
IEEE P802.3z 1Gb/s Ethernet Task ForceHigh Speed Study Group
19981996
1994 19951993
IEEE P802.3u 100Mb/s Ethernet Task Force
20011999
Standardapproved
HSSGformed
Standardapproved
HSSGformed
Task Forcereview
Working groupballot
J
Sponsor ballot
High Speed Study Group IEEE P802.3ae 10Gb/s Ethernet Task Force
D1 D2 D3 D4 D5
D5D4D3D2D1
D1 D2 D5D4D3
2008
F M A M J
2010
J F M A M J J A S O N D J F M A M J J A S O N D
IEEE P802.3ba PAR Approved
IEEE P802.3ba 40Gb/s and 100Gb/s Ethernet
2009
Standardapproved
HSSGformed
Task Forcereview
Working groupballot
J
Sponsor ballot
High Speed Study Group IEEE P802.3ba 40Gb/s and 100Gb/s Ethernet Task Force
D3D2D1
D
2007
F M A M J J A S O NDA S O N
2006
J
PlannedJ
Page 9Version 1.1 Ethernet Alliance Technology Exploration Forum - 15th September 2009
AgendaIEEE 802.3 Ethernet OverviewStructure, process, timelines, projects
IEEE 802.3 Ethernet Physical LayersRate, distance, media
IEEE 802.3 Ethernet emerging technologiesNew physical layers, New bridging technologies
Conclusion
Page 10Version 1.1 Ethernet Alliance Technology Exploration Forum - 15th September 2009
10Mb/s and 100 Mb/s EthernetPHY Type Data rate Distance Media
IEEE Std 802.3-1985 Ethernet MAC, 10BASE510BASE5 10Mb/s 500m Coaxial
IEEE Std 802.3c-1985 Repeater, FOIRLFOIRL 10Mb/s 1km Two multimode
IEEE Std 802.3a-1988 10BASE210BASE2 10Mb/s 185m Coaxial
IEEE Std 802.i-1990 10BASE-T10BASE-T 10Mb/s 100m Twisted-pair
IEEE Std 802.3j-1993 10BASE-F10BASE-FP 10Mb/s 1km Two multimode
10BASE-FL 10Mb/s 2km Two multimode
10Mb/s 2km Two multimode10BASE-FB
IEEE Std 802.3u-1995 100BASE-T
100BASE-TX 100Mb/s 100m 2 pair Cat 5
100Mb/s 100m 4 pair Cat 3
100Mb/s 2Km
100BASE-T4
100BASE-FX Two multimode
IEEE Std 802.3x-1997 Full DuplexIEEE Std 802.3y-1997 100BASE-T2
100BASE-T2 100Mb/s 100m 2 pair Cat 3
10M
100M
1000M
10G
100G
10 102 103 104 105
- Backplane
- Twisted pair- Twin-axial
- Co-axial
- Multimode Fibre
- Point to MultipointFibre
1
Key: Distance (m)
Rate (b/s)
- Voice grade copper
- Single-mode Fibre
0.11M
Page 11Version 1.1 Ethernet Alliance Technology Exploration Forum - 15th September 2009
1Gb/s and 10 Gb/s EthernetPHY Type Data rate Distance Media
IEEE Std 802.3z-1998, 1 Gb/s Operation
1000BASE-SX 1Gb/s 220m550m
Two multimode fibres
1000BASE-CX 1Gb/s 25m Copper cable assembly
IEEE Std 802.3ab-1999, 1000BASE-T
IEEE Std 802.3ad-2000 Link Aggregation
1000BASE-LX 1Gb/s 5Km550m
Two single-mode Two multimode
IEEE Std 802.3ae-2002, 10 Gb/s Operation
10GBASE-SR/W 10Gb/s 33m300m Two multimode
10GBASE-LX4 10Gb/s 10Km300m
Two single-mode Two multimode
10GBASE-LR/W 10Gb/s 10Km Two single-mode
10GBASE-ER/W 10Gb/s 40Km Two single-mode
100m Twisted-pair1000BASE-T 1Gb/s 10M
100M
1000M
10G
100G
10 102 103 104 105
- Backplane
- Twisted pair- Twin-axial
- Co-axial
- Multimode Fibre
- Point to MultipointFibre
1
Key: Distance (m)
Rate (b/s)
- Voice grade copper
- Single-mode Fibre
0.11M
Page 12Version 1.1 Ethernet Alliance Technology Exploration Forum - 15th September 2009
Ethernet in the First Mile
10M
100M
1000M
10G
100G
10 102 103 104 105
- Backplane
- Twisted pair- Twin-axial
- Co-axial
- Multimode Fibre
- Point to MultipointFibre
1
Key: Distance (m)
Rate (b/s)
- Voice grade copper
- Single-mode Fibre
0.11M
PHY Type Data rate Distance Media
IEEE Std 802.3ah-2004 Ethernet in the First Mile
10Km
10Km One single-mode
10Km550m
Two single-mode Two multimode
1000BASE-BX10 1000Mb/s 10Km One single-mode
10PASS-TS 10Mb/s* 750m* Voice grade copper
2BASE-TL 2Mb/s* 2Km* Voice grade copper
1000BASE-PX10 1000Mb/s 10Km One single-mode Point to
Multipoint
100BASE-LX10 100Mb/s
20Km
Two single-mode
100BASE-BX10 100Mb/s
1000BASE-LX10 1000Mb/s
1000BASE-PX20 1000Mb/s
* Nominal speed and reach
Page 13Version 1.1 Ethernet Alliance Technology Exploration Forum - 15th September 2009
10 Gb/s Ethernet PHYs, Backplane Ethernet
10M
100M
1000M
10G
100G
10 102 103 104 105
- Backplane
- Twisted pair- Twin-axial
- Co-axial
- Multimode Fibre
- Point to MultipointFibre
1
Key: Distance (m)
Rate (b/s)
- Voice grade copper
- Single-mode Fibre
0.11M
PHY Type Data rate Distance Media
IEEE Std 802.3ak-2004, 10GBASE-CX4
10GBASE-CX4 10Gb/s 15m Copper cable assembly
10GBASE-T 10Gb/s 100m Twisted-pair
10GBASE-KX4 10Gb/s 1m Backplane
10GBASE-LRM 10Gb/s 100m220m Two multimode
IEEE Std 802.3av-2009,10Gb/s EPON
10/1GBASE-PRX 10Gb/s D1Gb/s U
10km20km One single-mode
Point toMultipoint10GBASE-PR 10Gb/s 10km
20km
10GBASE-KR 10Gb/s 1m Backplane
IEEE Std 802.3ap-2007,Electrical Backplanes
IEEE Std 802.3an-2006, 10GBASE-T
1000BASE-KX 1000Mb/s 1m Backplane
IEEE Std 802.3aq-2006, 10GBASE-LRM
Page 14Version 1.1 Ethernet Alliance Technology Exploration Forum - 15th September 2009
AgendaIEEE 802.3 Ethernet OverviewStructure, process, timelines, projects
IEEE 802.3 Ethernet Physical LayersRate, distance, media
IEEE 802.3 Ethernet emerging technologiesNew physical layers, New bridging technologies
Conclusion
Page 15Version 1.1 Ethernet Alliance Technology Exploration Forum - 15th September 2009
IEEE 802.3 Ethernet emerging technologies
• Demand for increased bandwidth– By connected devices– By devices aggregating these devices
• Continuing evolution of Ethernet– DTE Power via MDI– Energy-efficient Ethernet– Mapping to OTN
• Convergence around Ethernet– Data Centre Bridging (e.g. FCoE), Audio/Video
Bridging
Page 16Version 1.1 Ethernet Alliance Technology Exploration Forum - 15th September 2009
Increased bandwidth IEEE P802.3ba 40Gb/s and 100Gb/s Ethernet
• Computing– Driven by key technologies
• Internal bus and memory performance– System throughput doubles approximately every 2 yrs
• Core networking– More users, bandwidth, applications– Wide area, ISPs, IXs
• Increase number of users• Increase in bandwidth available; xDSL, xPON, Cable, 3G• Increase number of applications; YouTube, Facebook, Netflix
– Enterprise• Aggregation of multiple computing systems
– Core throughput doubles approximately every 18 months
Page 17Version 1.1 Ethernet Alliance Technology Exploration Forum - 15th September 2009
IEEE P802.3ba 40Gb/s and 100Gb/s Ethernet PHY Types under development
10M
100M
1000M
10G
100G
10 102 103 104 105
- Backplane
- Twisted pair- Twin-axial
- Co-axial
- Multimode Fibre
- Point to MultipointFibre
1
Key: Distance (m)
Rate (b/s)
- Voice grade copper
- Single-mode Fibre
0.11M
PHY Type Data rate Distance Media
100GBASE-ER4 100Gb/s 40km
40Gb/s
DualSingle-mode
fibres
40Gb/s
10km
100GBASE-SR10 100Gb/s100m125m
Multiplemultimode
fibres
40GBASE-CR4 40Gb/s
40GBASE-KR4 40Gb/s 1m Backplane
40GBASE-SR4
100GBASE-LR4 100Gb/s
40GBASE-LR4
7m100GBASE-CR10 100Gb/s
Copper cable assembly
Page 18Version 1.1 Ethernet Alliance Technology Exploration Forum - 15th September 2009
Connectivity convergence
• Convergence on Ethernet for wired connectivity– Eliminates protocol conversion– Higher volume, lower cost
• Home to Core convergence– Audio/Video Bridging Task Group
• Real time clock distribution, bandwidth reservation
– Data Centre Bridging Task Group• Lossless Ethernet operation, bandwidth assignment
• Increases bandwidth requirements
LANEthernet
SAN
AV
Page 19Version 1.1 Ethernet Alliance Technology Exploration Forum - 15th September 2009
IEEE P802.1 Audio/VideoBridging Task Group
• Enhancements– Real time Clock distribution
• Timing and Synchronization (IEEE P802.1AS) • IEEE 802.3 Ethernet Support for the IEEE
P802.1AS Time Synchronization Protocol Study Group.
– Bandwidth reservation• Forwarding and Queuing for Time-Sensitive
Streams (IEEE P802.1Qav)• Stream Reservation Protocol (IEEE P802.1Qat)
Page 20Version 1.1 Ethernet Alliance Technology Exploration Forum - 15th September 2009
IEEE 802.1 Data CentreBridging Task Group
• Enhancements– Lossless traffic class
• Congestion Notification (IEEE P802.1Qau) • Priority Flow Control (IEEE P802.1Qbb)
– Priority Flow Control MAC Control Frame (IEEE P802.3bd)
– Lower latency• Enhanced Transmission Selection (IEEE P802.1az)
– Configuration and coexistence• Capability Exchange Protocol (IEEE P802.1az)
Page 21Version 1.1 Ethernet Alliance Technology Exploration Forum - 15th September 2009
IEEE P802.3az Energy-efficient EthernetIdle operation overview
Normal operation Normal operationLow power mode
Packet
IPG
PacketIP
G
Refresh
Refresh
Wake
Packet
IPG
Packet
Sleep
Updates receiver parameters, timing information and filter coefficients
Signal to receiveSystem to exitlow power state
Page 22Version 1.1 Ethernet Alliance Technology Exploration Forum - 15th September 2009
IEEE P802.3az Energy-efficient EthernetSystem energy savings
PHY
TxQ
ueue
LPIPolicy
TX LPI
RXPowercontrol
Policy and system status
RX LPI
TXsystem
RXsystem
powerdown
Policy and system status
PHY
TxQ
ueue
TX LPI
RXPowercontrol
Policy and system status
RX LPI
TXsystem
RXsystem
powerdown
Policy and system status
DTE 1
LPIPolicy
DTE 2
Page 23Version 1.1 Ethernet Alliance Technology Exploration Forum - 15th September 2009
IEEE P802.3az Energy-efficient EthernetSystem energy savings, TX queue empty
PHY
TxQ
ueue
LPIPolicy
TX LPI
RXPowercontrol
Policy and system status
RX LPI
PortTX
system
PortRX
system
powerdown
Policy and system status
PHY
TxQ
ueue
TX LPI
RXPowercontrol
Policy and system status
RX LPI
NICTX
system
NICRX
system
powerdown
Policy and system status
DTE 2DTE 1
LPIPolicy
Page 24Version 1.1 Ethernet Alliance Technology Exploration Forum - 15th September 2009
AgendaIEEE 802.3 Ethernet OverviewStructure, process, timelines, projects
IEEE 802.3 Ethernet Physical LayersRate, distance, media
IEEE 802.3 Ethernet emerging technologiesNew physical layers, New bridging technologies
Conclusion
Page 25Version 1.1 Ethernet Alliance Technology Exploration Forum - 15th September 2009
Conclusions• Ethernet is the ubiquitous wired connectivity
– < 0.01m to 1,000s of kilometres– 10Mb/s to 10Gb/s
• Link Aggregation– Backplane to fibre (and everything in between)
• New speeds, media, features and applications reinforce this– 40Gb/s and 100Gb/s– Energy-efficient Ethernet
• Continued convergence on Ethernet– Data Centre Bridging– Audio/Video Bridging
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