Presentation from SIEPON Seminar on 20 April in Czech Republic, sponsored by IEEE-SA & CAG. Opinions presented by the speakers in this presentation are their own, and not necessarily those of their employers or of IEEE.

1. SIEPON Workshop
Prague, Czech Republic
Ethernet: A look at the Ubiquitous Wired
Networking Technology and
Why it Makes Sense for a Service Provider
April 20th 2012
Wael William Diab
Vice Chair, IEEE 802.3 (Ethernet)
Sr. Technical Director, Office of The CTO, Broadcom
Vice-Chair IEEE CAG, Member IEEE Standards Board, SEC
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2. 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)
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3. Agenda
Overview
History and structure of Ethernet
Evolution of Ethernet
Key Historic Projects and Emerging Technologies
Why Ethernet makes sense for a Service Provider?
Emerging applications requirements
Concluding remarks
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4. Ethernet: History and Relation to 802
• History of LMSC
– 1st meeting Feb 1980. Originally known as the
Technical Committee on Computer Communications
(TCCC or “T-Triple-C”). Originally LAN, MAN scope
added later
• LMSC consists of
– SEC (802.0): Sponsor Executive Committee
– WGs/TAGs (802.x): Working Groups and Technical
Advisory Groups
• Examples of Active WGs/TAGs
– Notice the historic success of odd numbered groups!
– 802.1, 802.3, 802.11, 802.15, 802.16, 802.17, 802.18,
802.19, 802.20, 802.21
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5. Ethernet: Organization and Process
• Organization
– Each Working Group has its own leadership and projects called
Task Forces
– Each TF has its own leadership. Exists for the duration of the
project
– For Ethernet, 802.3 and its membership make up the Working
Group.
• Process
– Idea starts as a “Call For Interest” and then goes through a long,
thorough and strict process before becoming a standard.
Requires 75% approval (individual)
– Day-to-day technical work is done in a group operating under .3
(SG/TF)
– Work has to be approved by .3. Ensures compatibility etc. w/ prior
projects
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6. IEEE 802 Working Groups
IEEE 802 Sponsor Executive Committee
IEEE 802.1 IEEE 802.11 IEEE 802.15
IEEE 802.3
Bridging, Architecture Wireless LAN Wireless Personal Area
Ethernet Working Group
Working Group Working Group Networks Working Group
IEEE 802.16 IEEE 802.17 IEEE 802.18 IEEE 802.19
Broadband Wireless Resilient Pack Ring Radio Regulatory Coexistence
Access Working Group Working Group Technical Advisory Group Technical Advisory Group
IEEE 802.20
Mobile Broadband IEEE 802.21 IEEE 802.22
Wireless Access Media Independent Wireless Regional Area
Working Group Handoff Networks Working Group
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7. IEEE 802 Working Groups
• 802.1 - Protocol layers above the MAC & LLC layers
• 802.3 – Ethernet-based Local Area Networks (LANs) OSI Reference
• 802.11 – Wireless Local and Metropolitan Area Networks (LANs/MANs) Model
• 802.15 – Personal Area Networks or short distance wireless networks (WPANs)
Application
• 802.16 - Wireless Broadband Metropolitan Area Networks (WBMANs)
• 802.17 - Development and deployment of Resilient Packet Ring (RPR) networks in Presentation
Local, Metropolitan, and Wide Area Networks (LANs, MANs, WANs)
• 802.18 - Radio Regulatory Technical Advisory Group ("RR-TAG") Session
• 802.19 - Coexistence between wireless standards and reviews coexistence assurance Transport
(CA) documents produced by the wireless working groups
• 802.20 - Mobile Broadband Wireless Access (MBWA) Network
• 802.21 - Handover and interoperability between networks Data Link
• 802.22 - Wireless Regional Area Networks (WRANs)
Physcial
Medium
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8. Agenda
Overview
History and structure of Ethernet
Evolution of Ethernet
Key Historic Projects and Emerging Technologies
Why Ethernet makes sense for a Service Provider?
Emerging applications requirements
Concluding remarks
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9. IEEE 802.3 Ethernet PHY Types
Rate (b/s)
100G Key:
10G - Backplane - Co-axial
- Twin-axial - Twisted pair
1000M
- Multimode Fibre - Single-mode Fibre
100M - Voice grade copper - Point to Multipoint
Fibre
10M
1M
0.1 1 10 102 103 104 105
Distance (m)
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10. HSSG IEEE Std 802.3u-1995 100Mb/s Ethernet Standard
formed approved
From 100M to 100G over the last 15 years
High Speed Study Group IEEE P802.3u 100Mb/s Ethernet Task Force
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
1993 1994 1995
Task Force Working group Sponsor
review ballot ballot
D1 D2 D3 D4 D5
IEEE P802.3u PAR Approved
HSSG IEEE Std 802.3z-1998 1Gb/s Ethernet Standard
formed approved
High Speed Study Group IEEE P802.3z 1Gb/s Ethernet Task Force
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
1996 1997 1998
Task Force Working group
Sponsor ballot
review ballot
D1 D2 D3 D4 D5
IEEE P802.3z PAR Approved
HSSG IEEE Std 802.3ae-2002 10Gb/s Ethernet Standard
formed approved
High Speed Study Group IEEE P802.3ae 10Gb/s Ethernet Task Force
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 J F M A M J
1999 2000 2001 2002
Task Force Working group
Sponsor ballot
review ballot
IEEE P802.3ae PAR Approved D1 D2 D3 D4 D5
HSSG IEEE P802.3ba 40Gb/s and 100Gb/s Ethernet Standard
formed approved
High Speed Study Group IEEE P802.3ba 40Gb/s and 100Gb/s Ethernet Task Force Planned
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 J F M A M J J A S O N D J F M A M J
2006 2007 2008 2009 2010
Task Force Working group
Sponsor ballot
review ballot
IEEE P802.3ba PAR Approved D1 D2 D3
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11. GROWING APPLICATION
SPACE
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12. Higher Speed Ethernet Penetration
Campus/ Service
Data Center
Enterprise Provider
Core Core
Distribution Aggregation
Wiring
Closet
Access Distribution
Clients Servers Residential
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13. Ethernet in the First Mile
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14. The Key Piece of the Access Puzzle
• 10G EPON will provide the solution for high definition
content distribution
• Complements work on 10G for data centers, and AV Bridges
• Drives higher BW in the CO and aggregation network
– Similar use for 4G wireless backhaul
Central Office Distribution Home network
>10G Ethernet
10G EPON
Video
server L2 switch OLT
passive AV
splitter bridge
VOIP gateway ONU
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15. KEY HISTORIC PROJECTS:
POE
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16. Power over Ethernet
20W PTZ CAM 3~7W IP Phone > 15W PC 18W Wi-Fi AP/RG
Powered Device (PD)
Power Sourcing Equipment (PSE)
Switch, Router, Gateway, Set-top Box
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17. PoE Architecture: Switch
Power Sourcing Equipment (PSE) Powered Device (PD)
8
SPARE SPARE
7
5 SPARE
SPARE
4
6
DATA
3
10/100 10/100
EPHY 2 EPHY
DATA
1
P
44V to 57V POE - PSE POE – PD
DC-DC
N Converter
Wire Side
Type 1 (AF) =15.4W Type 1 (AF) =12.95W
Isolated Side Type 2 (AT) = 30W
PSE = Power Sourcing Equipment
Type 2 (AT) = 25.5W
PD = Powered Device
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18. PoE/P Enhanced Layer 2 Operation
PoE/P can also Classic
be completely operation
turned off. requires
Ethernet worst case
communication budgeting,
can be used to allocation
turn other
subsystems off In-efficient,
also wasteful use of
power supplies,
backup (UPS)
Dynamic power
budgeting
raises system,
supply
Continuous Power efficiencies.
Re-Classification via L2 Smart allocation
allows feature
scalability with
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19. KEY HISTORIC PROJECTS:
EEE
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20. Ethernet Traffic Profiles
• Snapshot of a File Server with 1 Gb Ethernet link
– Shows time versus utilization (trace from LBNL)
utilization <=1.0 %
Start time 12:33 PM 2/8/2007 (30 min)
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21. Motivation – A Link Perspective
Typical switch with 24 ports
• High port count triple 10/100/1000 Mb/s
speed switches
– Linear relationship of
power consumption to
number of active links
– Aggregate savings
attractive in putting
inactive links in LPI
Various computer NICs averaged
• Low port count 10G
systems
– Idle power savings on
a single link attractive
Results from 1st order (rough) measurements – all incremental AC power
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22. Low Power Idle Overview
Assert LPI Deassert LPI
Active Low-Power Hold Active
Refresh
Refresh
DATA/
Data/
Sleep
Wake
Alert
IDLE
IDLE
IDLE
Quiet Quiet Quiet
Tw_PHY
Ts Tq Tr
Tw_sys
Wait a minimum of Tw_Sys before sending data (Tw_sys >= Tw_PHY)
• Low Power Idle (LPI) – PHY powers down during idle
periods
• During power-down, maintain coefficients and
synchronization to allow rapid return to Active state
• Wake times for the respective twisted-pair PHYs:
– 100BASE-TX: Tw_PHY <= 30 usec
– 1000BASE-T: Tw_PHY <= 16.5 usec
– 10GBASE-T: Tw_PHY < ~8 usec (2 modes)
• PHY power in LPI mode ~20-40% of normal (depends
on type and implementation)
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23. Application – Wiring Closet
EEE
Enabled GigE or 10G
Links (for <100Meter Links)
Wiring Closet
EEE Enabled
Clients
EEE Enabled
Gig Switch
Wireless LAN
EEE
Enabled GigE
Links
Opportunity for future >10G
EEE-enabled aggregation
Cu links
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24. Application – Data Center and TOR
Data Center Rack
EEE
Enabled GigE or 10G
Links (for <100Meter Links)
EEE
Enabled 1 and 10GBASE-T
Links
EEE Gphy Enabled Opportunity for future >10G
Server Controller EEE-enabled Cu links
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25. KEY HISTORIC PROJECTS:
POE
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26. What is AV bridging?
• IEEE 802.1AS: Precise Timing in an 802 network
– (< 1uS synchronization, <100 nS clock jitter, ~100 pS achievable)
• IEEE 802.1Qat: End to end QoS bandwidth and latency reservations
• IEEE 802.1Qav: Network bridge (Ethernet switch) enhancements
– guaranteed latency <250 uS per hop,
• IEEE 802.1BA: Audio Video Network Systems (plug-and-play profile)
– Do all with very low cost adder (approaching zero) to meet CE market requirements.
• Ethernet AV is the first wave Ubiquitous
… but not the last “no-excuses”
“WiFi-AV”
VoIP & Video home connectivity IEEE 802.11aa
Phone
Guaranteed MoCA-AVB
BW & QoS
Ethernet EthernetAV
IEEE 802.1BA
AV/802 Convergence
Precise BW Reservation Ethernet Switch
Timing & Admission Ctrl Enhancements
Enhancements
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27. Application - AVB home network
DVD
DVR/PVR
1. Listening to satellite radio on EAV receiver, link between receiver and switch
2. Start playing DVD on a screen in another room
3. DVR/PVR set to record “Survivor” from satellite receiver at 8:00 pm on Thursday
Migration towards multiple low-latency uncompressed native HD streams driving BW
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28. EMERGING PROJECTS
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29. Extended EPON
Example contribution taken from ExEPON_1111_xu_1.pdf
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30. EPoC
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31. EPON/EPoC Applications
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32. RTPGE Study Group
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33. Agenda
Overview
History and structure of Ethernet
Evolution of Ethernet
Key Historic Projects and Emerging Technologies
Why Ethernet makes sense for a Service Provider?
Emerging applications requirements
Concluding remarks
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34. Ethernet: Convergence and Leverage
Broadband Access
Content Providers
Broadband Internet
Access Networks Backbone Networks Content
Networks
Internet Backbone
Networks Research
Enterprise Networks
Networks
Internet eXchange and
Interconnection Points
Data Centers and Research, Education
and Government
Enterprise
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35. Convergence
• Connectivity convergence
– Ethernet is the ubiquitous connectivity technology
– From the home to the core, convergence is occurring
• Consumer, Enterprise, SP, Backhaul, Datacenter, HPC etc.
– Drives higher volumes, lower cost
– Eliminates unnecessary protocol conversions
– Conventional connections within the home migrating to
Ethernet. E.g. HDTVs already have Ethernet connectors
• Network architecture convergence
– Different “types” of networks have increasingly more
similarities than differences. E.g. access and distribution
– Higher layer feature requirement differences certainly
exist but can be transparent to the connectivity layer
• Ethernet has a well understood maturity curve
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36. Converging Network Architectures
Core
Layer
L3 Aggregation
Ethernet
Layer
L2 Aggregation
Layer
Access
Layer
Similar Architectures for SP, DC, Enterprise Etc.
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37. Leverage
• Technology leverage
– Family of technologies running natively on Ethernet
• E.g. EEE, PoEP, AVB, HSE, MACSec, Link Aggregation
– Keeps the L2 stack simple by running native
– Technologies are “free” when you run Ethernet
• Media leverage
– Family of technologies supporting variety of media at each speed
– No need to reinvent solutions for new application spaces like the
home or core, simply build on Ethernet. Hybrid solutions possible
• Speed and cost point leverage
– Family of technologies supporting variety of speeds and cost points
– No need to reinvent solutions for new application spaces like the
home or access, simply build on Ethernet
• System leverage
– E.g. An EFM interface is a new interface to existing switch fabrics
• Si and sub-system leverage
– E.g. Low cost 100M/1G switches, optical sub assemblies etc.
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38. Ethernet Leverage: 10G/1G EPON Ex.
CO
XAUI
XAUI
PHY XAUI
XCVR XAUI
OLT 10GBASE-R PHY GW
(X) (Y) 1:32
1000BASE-X XCVR 10GBASE-R ONU MAC
SGMII (Y) 1000BASE-X (X) PHY
SGMII
OLT
(X)
CPE
Switch
10G
OLT
(X)
• High level re-use:
• Updated ONU Si
• High Level re-use: • Standard Phys
• New OLT Si • Standard interfaces
• Standard Phys
• Standard interfaces
• Standard switching Si
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39. Growing Application Space:
Variety of Content, Providers, Users
Any Content Over Any Media Anywhere, Anytime
Home
Voice Network
Cable
Service Provider
Telephone
Service Provider Enterprise
Video Network
Satellite
Service Provider
Data Mobile
Network
Wireless
Service Provider
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40. Emerging Apps and their Requirements
• Focus on application requirements
– Diverse applications distilled to succinct requirements
– Ability to focus on requirements driven by convergence
• Traditional application requirements
– Bandwidth, QoS HSE
• New reqs driven by constant connectivity, on
demand, user generated content and virtualization
• Broad new requirements
– Latency guarantee AVB
– Energy cost per bit EEE
– Security .1AE
DCB
– Congestion
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41. Other Network Requirements
• Requirements passed across network boundaries
– E.g. Across SP/CP networks, access/home
• Power feeding
– Used in remote surveillance, RFID, WAP LAN, VoIP etc.
• Features integrated into single box for customers
• Network aware connectivity in home / AV systems
– Different sources/users of data. Eliminate connections
– Similar to data networks. Ethernet appearing on HDTV
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42. Other Network Requirements
• Unified and strong management
– 802.3 has monolithic management structure
– SNMP MIBs heavily used by 802.1 and 802.3
• 802.3.1 is a new project that will consolidate all Ethernet MIBs
– Reuse of LLDP for dynamic link management
• Reduces mgmt protocols. 802.3bc consolidating Ethernet TLVs
• Legacy support via hybrid networks
– Would be great if all deployments were new
– BUT, we have to support legacy infrastructure e.g.
legacy telephony cable in MDUs
– EFM and Ethernet allows for hybrid infrastructure where
bringing the fiber closer to the home is seamless and
without any protocol conversions or additional boxed
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43. Agenda
Overview
History and structure of Ethernet
Evolution of Ethernet
Key Historic Projects and Emerging Technologies
Why Ethernet makes sense for a Service Provider?
Emerging applications requirements
Concluding remarks
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44. Concluding Remarks
• Ethernet is the ubiquitous wired connectivity
– < 0.01m to 1,000s of KMs
– 10Mb/s to 10Gb/s
– Backplane to fiber (and everything in between)
• Ethernet is constantly evolving
– Expanding its rate-reach
– Expanding its scope e.g. EFM, RTPGE
– Projects go through a well defined process
• Traditional and emerging application spaces demanding
BW at lower cost structure
– Consumer, enterprise, data center and access
• Access portion of the network is critical
– Growing the access portion via higher B/W and strong support for
multi-services is key to enabling emerging application requirements
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45. Concluding Remarks
• Many factors have to be considered to pick a solution
– (a) Geography (b) Installed base (e.g. Coax, Cu, fiber) (c) Density
(MDU vs. single residence) (d) Availability of end-services and
content (e) Government regulation and cooperation (f) Demand
• Plenty of access solutions available
– EFM, 10GEPON, APON, BPON, GPON and others continue to
provide very rich solution sets to the access problem
• BUT standardizing on Ethernet can enable emerging
applications and their reqs at low-cost with legacy support
– Strong leverage and convergence of Ethernet
– Native powerful and simple layer 2 for access, aggregation, core…
– Leverage of growing technologies over Ethernet like EEE, AVB,
HSE, MACSec, PoEP, ExEPON, EPoC
– Hybrid architectures to support legacy infrastructures
• SIEPON is a unique entity based project that builds on the
successful Ethernet family of standards addressing
interoperability needs of providers by completing the
ecosystem of EPON standards.
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46. Additional Resources
• Ethernet Home Page: www.ieee802.org/3/
– All past & present Ethernet projects
• EEE White Paper
– http://www.broadcom.com/collateral/wp/EEE-WP101-R.pdf
• EFM White Paper by Diab, Frazier, Pesavento
http://www.ethernetalliance.org/technology/white_papers/ethernets
olutions.pdf
• Ethernet in the First Mile: Access for Everyone
– Book on EFM by Diab, Frazier
http://shop.ieee.org/ Product = STDSP1144
http://standards.ieee.org/standardspress/titles/ethfirstmile.html
http://www.amazon.com/Ethernet-First-Mile-Access-
Everyone/dp/0738148385/sr=11-
1/qid=1167213945/ref=sr_11_1/104-1448287-5375156
• Download published Ethernet standards
– Free after 6 months: http://standards.ieee.org/getieee802/
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47. Additional EEE Resources
EEN White Paper
• English:
http://www.broadcom.com/collateral/wp/EEE-WP102-R.pdf
Wikibon Whitepaper
• Networks Go GrEEn:
http://wikibon.org/wiki/v/Networks_Go_GrEEN
Broadcom EEN Public Area
http://www.broadcom.com/products/features/energy_efficient_networ
k.php
IEEE P802.3az Web Area
http://www.ieee802.org/3/az
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48. Broadcom WINs EEE Awards!
Broadcom wins 2010 Best Electronic Design Award for its broad and
extensive new portfolio of EEE products. Broadcom engineer
recognized for leadership
• ED Award (under Communications – Wired Category):
http://electronicdesign.com/article/news/Electronic-Design-Announces-
2010-Best-Electronic-Design-Award-Winners.aspx
• ED Article that was the basis of the award:
http://electronicdesign.com/article/communications/IEEE-And-Broadcom-
Bring-Forth-Energy-Efficient-Ethernet.aspx
• Broadcom press release on the award:
http://www.broadcom.com/press/release.php?id=s542639
• Broadcom Engineer wins TechAmerica’s David Packard innovation
award in the Green Tech / Smart Grid category for driving Broadcom’s
EEN portfolio
http://www.broadcom.com/press/release.php?id=s614065
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49. THANK YOU
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