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What’s Happening in the IEEE 802 3 Ethernet WorkingIEEE 802.3 Ethernet Working
Group
Valerie Maguire, BSEEValerie Maguire, BSEE
Who is IEEE 802.3?Who is IEEE 802.3?
• The IEEE 802 3 WorkingThe IEEE 802.3 Working Group develops all wired Ethernet LAN applicationsEthernet LAN applications
• Membership is by individualindividual
• Standards (.pdf) are l 6 hcomplementary 6 months
after publication
IEEE 802.3 parent documentIEEE 802.3 parent document• IEEE Std 802.3TM-2012 • Published projects are
called amendments• Amendments are rolled
into updated revisions ofinto updated revisions of IEEE Std 802.3TM-2012
• Corrections and revisions• Corrections and revisions are handled by the Maintenance Task ForceMaintenance Task Force
The IEEE 802.3 processThe IEEE 802.3 process
1 C ll f I t t (CFI)1. Call for Interest (CFI)2. Study Group
PAR ChecklistBroad market
• Project Authorization Request (PAR)
potentialCompatibility,• Response to the Five
Criteria for Standards
Distinct identityTechnical
f ibiliCriteria for Standards Development
• Objectives
feasibilityEconomic
f ibilit• Objectives feasibility
Broad market potentialBroad market potential
• Broad sets of applicabilityBroad sets of applicability• Multiple vendors and
numerous usersnumerous users
CompatibilityCompatibility
C tibilit ith IEEE• Compatibility with IEEE Standard 802.3
• Conformance with the IEEE Std 802.3
• Managed object definitions compatible with SNMP
Distinct identityDistinct identity
• Substantially different from other IEEE 802.3 specifications and solutions
Technical feasibilityTechnical feasibility
• Demonstrated system feasibilityfeasibility
• Proven technology, bl ireasonable testing
• Confidence in reliability
Economic feasibilityEconomic feasibility
K t f t• Known cost factors, reliable data
• Reasonable cost for performance
• Consideration of installation costs
The IEEE 802.3 process, cont.The IEEE 802.3 process, cont.
3 Task Force3. Task Force• Draft development
ll i4. Balloting• Task Force ballot• Working Group ballot• Sponsor ballotSponsor ballot
5. Standards Board approval6 P bli i6. Publication
Open IEEE 802.3 projectsOpen IEEE 802.3 projects
• http://www ieee802 org/3/http://www.ieee802.org/3/• Projects are supported by
an approved PAR 5 criteriaan approved PAR, 5 criteria, and objectives802 3bj 100 Gb/ B k l• 802.3bj 100 Gb/s Backplane and Copper Cable Task FForce
• 802.3bk Extended EPON Task Force
Open IEEE 802.3 projects, cont.Open IEEE 802.3 projects, cont.
• 802 3bm 40 Gb/s and 100802.3bm 40 Gb/s and 100 Gb/s Fiber Optic Task Force
• 802 3bn EPON Protocol• 802.3bn EPON Protocol over Coax (EPoC) Task Force802 3b R d d T i d• 802.3bp Reduced Twisted Pair Gigabit Ethernet PHY T k FTask Force
• 802.3bq 40GBASE-T Task Force
802.3bj 100 Gb/s Backplane and Copper Cable
• Document circulating forDocument circulating for Working Group Ballot
• Project Justification:• Project Justification:– Blade server I/O is
d i i i ddriving increased backplane capabilities
– Smaller form factor needed to support intra-rack 100Gig connections
802.3bj 100 Gb/s Backplane and Copper Cable, cont.
• Key objectives:Key objectives:– Define a 4x25Gb/s PHY
over a PCB backplaneover a PCB backplane– Define a 4x25Gb/s PHY
5 f iover 5m of twinax– Support optional EEE
operation for both PHYs• Target publication: g p
February 2014
802.3bm 40 Gb/s and 100 Gb/s Fiber Optic
• Document circulating for TaskDocument circulating for Task Group Ballot
• Project Justification:• Project Justification:– Reach greater than 10km
i i d f 40Gb/is required for 40Gb/s– More efficient and cost-
effective 100Gig multimode and singlemode solutions needed
802.3bm 40 Gb/s and 100 Gb/s Fiber Optic , cont.
• Key objectives:Key objectives:– 40 km of SMF (2-fiber)
00 f O (8 fib )– 100 m of OM4 (8-fiber)– 20 m of OM3 (8-fiber)– 500 m of SMF (TBD)– Support optional EEESupport optional EEE
operation• Target publication: February 2015• Target publication: February 2015
802.3bp Reduced Twisted Pair Gigabit Ethernet PHY
• Document to circulate forDocument to circulate for Task Group Ballot in NovemberNovember
• Project Justification:E h d i d f− Ethernet desired for automotive networking
− Reducing cable weight impacts fuel economy
802.3bp Reduced Twisted Pair Gigabit Ethernet PHY, cont.
• Key objectives:Key objectives:– Support 1 Gb/s
operation in specifiedoperation in specified environments over less than 3 pairs up to 15 mthan 3 pairs up to 15 m
– Support optional EEE ioperation
• Target publication: May 2014
802.3bq 40GBASE-T802.3bq 40GBASE T
• Task Group Draft underTask Group Draft under development
• Project Justification:• Project Justification:− 40Gb/s speeds needed in
h dthe data center− Structured cabling for
flexible MACs− Auto-negotiation benefitg
802.3bq 40GBASE-T, cont.802.3bq 40GBASE T, cont.
• Key objectives:Key objectives:– Support 40Gb/s over at
least 30 m of 4 pairleast 30 m of 4-pair, balanced twisted-pair copper cabling with upcopper cabling with up to 2 connectors S EEE i– Support EEE operation
• Target publication: February 2016
Categories 8, 8.1, and 8.2Categories 8, 8.1, and 8.2• TIA
5e
– Category 8 to 2 GHz– Accepts concept of adding
5e
6AAccepts concept of adding ISO/IEC Class II cabling performance
7A
performance • ISO/IEC
C t 8 1 t 1 6 GH
8
– Category 8.1 to 1.6 GHz– Category 8.2 to 1.6 GHz– Installed base of 6A and 7A
Pending IEEE 802.3 projectsPending IEEE 802.3 projects• http://www.ieee802.org/3/• Study Groups develop PAR,
5 criteria, and objectives5 criteria, and objectives• Study Groups have six
months to complete theirmonths to complete their tasks (an extension of six months may be requested)months may be requested)
• Project numbers are not yet i dassigned
Pending IEEE 802.3 projects, cont.Pending IEEE 802.3 projects, cont.
• Distinguished MinimumDistinguished Minimum Latency Traffic in a Converged TrafficConverged Traffic Environment Study Group
• 400 Gb/s Ethernet Study• 400 Gb/s Ethernet Study Group4 P i P E h• 4-Pair Power over Ethernet (PoE) Study Group
Pending IEEE 802.3 projects, cont.Pending IEEE 802.3 projects, cont.
• 1-Pair Power over Data1 Pair Power over Data Lines (PoDL) Study Group
400 Gb/s Ethernet400 Gb/s Ethernet• Objectives, 5 Criteria, and
PAR under development• Project Justification:j
− Per Ethernet Bandwidth Assessment Ad Hoc:Assessment Ad Hoc: networks, on average, need to support 58%need to support 58% compound annual growth ratesgrowth rates
400 Gb/s Ethernet, cont.400 Gb/s Ethernet, cont.
• Anticipated objectives:Anticipated objectives:– Support 400Gb/s over
singlemode multimodesinglemode, multimode, and twinaxial direct connectionsconnections
– Support optional EEE ioperation
4-Pair Power over Ethernet (PoE)4 Pair Power over Ethernet (PoE)
• Objectives, 5 Criteria, andObjectives, 5 Criteria, and PAR under development
• Project Justification:• Project Justification:− A 4-pair PoE system will
h b tthave better energy efficiency than 2-pair P E t d idPoE system and provide greater than 25.5 W to PDPD
4-Pair Power over Ethernet (PoE), cont.
d b• Anticipated objectives:– Operation with
10GBASE-T under investigation
– Will operate over category 5/class D class g y /with less than 25Ω DC loop resistancep
1-Pair Power over Data Lines (PoDL)
• Objectives, 5 Criteria, andObjectives, 5 Criteria, and PAR under development
• Project Justification:• Project Justification:− A 1-pair powering
li ti ill bapplication will be required to support IEEE 802 3b R d d802.3bp Reduced Twisted Pair Gigabit Eth tEthernet
1-Pair Power over Data Lines (PoDL), cont.
• Anticipated objectives:– Compatible with 12V– Compatible with 12V– Will operate over
t 5/ l Dcategory 5/class D class with less than 25Ω DC l25Ω DC loop resistance