Tiêu chuẩn Ethernet
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Ngày tháng
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Mô tả
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Experimental Ethernet
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1973[1]
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2.94 Mbit/s (367 kB/s) over coaxial cable (coax) bus
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Ethernet II (DIX v2.0)
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1982
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10 Mbit/s (1.25 MB/s) over thick coax. Frames have a Type field. This frame format is used on all forms of Ethernet by protocols in the Internet protocol suite.
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IEEE 802.3 standard
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1983
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10BASE5 10 Mbit/s (1.25 MB/s) over thick coax. Same as Ethernet II (above) except Type field is replaced by Length, and an 802.2 LLC header follows the 802.3 header. Based on the CSMA/CD Process.
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802.3a
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1985
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10BASE2 10 Mbit/s (1.25 MB/s) over thin Coax (a.k.a. thinnet or cheapernet)
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802.3b
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1985
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10BROAD36
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802.3c
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1985
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10 Mbit/s (1.25 MB/s) repeater specs
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802.3d
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1987
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Fiber-optic inter-repeater link
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802.3e
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1987
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1BASE5 hoặc StarLAN
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802.3i
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1990
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10BASE-T 10 Mbit/s (1.25 MB/s) over twisted pair
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802.3j
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1993
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10BASE-F 10 Mbit/s (1.25 MB/s) over Fiber-Optic
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802.3u
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1995
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100BASE-TX, 100BASE-T4, 100BASE-FX Fast Ethernet at 100 Mbit/s (12.5 MB/s) with autonegotiation
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802.3x
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1997
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Full Duplex and flow control; also incorporates DIX framing, so there's no longer a DIX/802.3 split
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802.3y
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1998
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100BASE-T2 100 Mbit/s (12.5 MB/s) over low quality twisted pair
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802.3z
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1998
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1000BASE-X Gbit/s Ethernet over Fiber-Optic at 1 Gbit/s (125 MB/s)
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802.3-1998
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1998
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A revision of base standard incorporating the above amendments and errata
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802.3ab
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1999
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1000BASE-T Gbit/s Ethernet over twisted pair at 1 Gbit/s (125 MB/s)
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802.3ac
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1998
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Max frame size extended to 1522 bytes (to allow "Q-tag") The Q-tag includes 802.1Q VLAN information and 802.1p priority information.
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802.3ad
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2000
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Link aggregation for parallel links, since moved to IEEE 802.1AX
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802.3-2002
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2002
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A revision of base standard incorporating the three prior amendments and errata
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802.3ae
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2002
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10 Gigabit Ethernet over fiber; 10GBASE-SR, 10GBASE-LR, 10GBASE-ER, 10GBASE-SW, 10GBASE-LW, 10GBASE-EW
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802.3af
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2003
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Power over Ethernet (15.4 W)
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802.3ah
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2004
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Ethernet in the First Mile
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802.3ak
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2004
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10GBASE-CX4 10 Gbit/s (1,250 MB/s) Ethernet over twinaxial cables
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802.3-2005
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2005
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A revision of base standard incorporating the four prior amendments and errata.
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802.3an
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2006
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10GBASE-T 10 Gbit/s (1,250 MB/s) Ethernet over unshielded twisted pair (UTP)
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802.3ap
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2007
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Backplane Ethernet (1 and 10 Gbit/s (125 and 1,250 MB/s) over printed circuit boards)
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802.3aq
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2006
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10GBASE-LRM 10 Gbit/s (1,250 MB/s) Ethernet over multimode fiber
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P802.3ar
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Cancelled
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Congestion management (withdrawn)
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802.3as
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2006
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Frame expansion
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802.3at
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2009
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Power over Ethernet enhancements (25.5 W)
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802.3au
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2006
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Isolation requirements for Power over Ethernet (802.3-2005/Cor 1)
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802.3av
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2009
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10 Gbit/s EPON
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802.3aw
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2007
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Fixed an equation in the publication of 10GBASE-T (released as 802.3-2005/Cor 2)
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802.3-2008
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2008
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A revision of base standard incorporating the 802.3an/ap/aq/as amendments, two corrigenda and errata. Link aggregation was moved to 802.1AX.
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802.3az
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2010
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Energy-efficient Ethernet
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802.3ba
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2010
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40 Gbit/s and 100 Gbit/s Ethernet. 40 Gbit/s over 1 m backplane, 10 m Cu cable assembly (4×25 Gbit or 10×10 Gbit lanes) and 100 m of MMF and 100 Gbit/s up to 10 m of Cu cable assembly, 100 m of MMF or 40 km of SMF respectively
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802.3-2008/Cor 1
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2009
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Increase Pause Reaction Delay timings which are insufficient for 10 Gbit/s (workgroup name was 802.3bb)
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802.3bc
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2009
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Move and update Ethernet related TLVs (type, length, values), previously specified in Annex F of IEEE 802.1AB (LLDP) to 802.3.
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802.3bd
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2010
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Priority-based Flow Control. An amendment by the IEEE 802.1 Data Center Bridging Task Group (802.1Qbb) to develop an amendment to IEEE Std 802.3 to add a MAC Control Frame to support IEEE 802.1Qbb Priority-based Flow Control.
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802.3.1
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2011
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MIB definitions for Ethernet. It consolidates the Ethernet related MIBs present in Annex 30A&B, various IETF RFCs, and 802.1AB annex F into one master document with a machine readable extract. (workgroup name was P802.3be)
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802.3bf
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2011
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Provide an accurate indication of the transmission and reception initiation times of certain packets as required to support IEEE P802.1AS.
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802.3bg
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2011
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Provide a 40 Gbit/s PMD which is optically compatible with existing carrier SMF 40 Gbit/s client interfaces (OTU3/STM-256/OC-768/40G POS).
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802.3-2012
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2012
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A revision of base standard incorporating the 802.3at/av/az/ba/bc/bd/bf/bg amendments, a corrigenda and errata.
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802.3bj
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2014 (June)
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Define a 4-lane 100 Gbit/s backplane PHY for operation over links consistent with copper traces on "improved FR-4" (as defined by IEEE P802.3ap or better materials to be defined by the Task Force) with lengths up to at least 1 m and a 4-lane 100 Gbit/s PHY for operation over links consistent with copper twinaxial cables with lengths up to at least 5 m.
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802.3bk
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2013
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This amendment to IEEE Std 802.3 defines the physical layer specifications and management parameters for EPON operation on point-to-multipoint passive optical networks supporting extended power budget classes of PX30, PX40, PRX40, and PR40 PMDs.
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802.3bm
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2015
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100G/40G Ethernet for optical fiber
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802.3bp
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2016 (June)[2]
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1000BASE-T1 – Gigabit Ethernet over a single twisted pair, automotive & industrial environments
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802.3bq
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2016 (June)[3]
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25G/40GBASE-T for 4-pair balanced twisted-pair cabling with hai connectors over 30 m distances
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802.3bs
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2017 (Dec.) (TBD)
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200GbE (200 Gbit/s) over single-mode fiber and 400GbE (400 Gbit/s) over optical physical media
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802.3bt
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2017 (TBD)
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Power over Ethernet enhancements up to 100 W using all 4 pairs balanced twisted-pair cabling, lower standby power and specific enhancements to support IoT applications (e.g. lighting, sensors, building automation).
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802.3bw
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2015[4]
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100BASE-T1 – 100 Mbit/s Ethernet over a single twisted pair for automotive applications
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802.3-2015
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2015
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802.3bx – a new consolidated revision of the 802.3 standard including amendments 802.3bk/bj/bm
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802.3by
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2016 (June)[5]
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Optical fiber, twinax and backplane 25 Gigabit Ethernet[6]
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802.3bz
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2016 (Sep.)[7]
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2.5GBASE-T and 5GBASE-T – 2.5 Gigabit and 5 Gigabit Ethernet over Cat-5/Cat-6 twisted pair
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802.3ca
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2019 (TBD)
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100G-EPON – 25 Gbit/s, 50 Gbit/s, and 100 Gbit/s over Ethernet Passive Optical Networks
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802.3cc
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2017 (TBD)
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25 Gbit/s over Single Mode Fiber
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802.3 cd
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2018 (TBD)
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Media Access Control Parameters for 50 Gbit/s and Physical Layers and Management Parameters for 50 Gbit/s, 100 Gbit/s, and 200 Gbit/s Operation
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