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10G-EPON : ウィキペディア英語版
10G-EPON

The 10 Gbit/s Ethernet Passive Optical Network standard, better known as 10G-EPON allows computer network connections over telecommunication provider infrastructure. The standard supports two configurations: ''symmetric'', operating at 10 Gbit/s data rate in both directions, and ''asymmetric'', operating at 10 Gbit/s in the downstream (provider to customer) direction and 1 Gbit/s in the upstream direction. It was ratified as IEEE 802.3av standard in 2009.
== Standardization==
The Ethernet in the first mile task force of the Institute of Electrical and Electronics Engineers (IEEE) 802.3 standards committee published standards that included a passive optical network (PON) variant in 2004.〔

In March 2006, the IEEE 802.3 held a call for interest for a 10 Gbit/s Ethernet PON study group. According to the CFI materials, representatives from the following companies supported the formation of the study group:〔(10Gb/s PHY for EPON – Call For Interest Presentation )〕
Advance/Newhouse Communications, Aeluros, Agilent, Allied Telesyn, Alloptic, Ample Communications, Astar-ODSM, Broadcom, Centillium Communications, China Netcom, China Telecom, Chunghwa Telecom, Cisco Systems, ClariPhy Communications, Conexant Systems, Corecess, Corning, Delta Electronics, ETRI, Fiberxon, FOTEK Optoelectronics, ImmenStar, Infinera, ITRI, KDDI R&D Labs., K-Opticom, Korea Telecom, NEC, OpNext, Picolight, Quake Technologies, Salira Systems, Samsung Electronics, Softbank BB, Teknovus, Teranetics, Texas Instruments, Telecom Malaysia, TranSwitch, UNH-IOL, UTStarcom, Vitesse.
By September 2006, IEEE 802.3 formed the 802.3av ''10G-EPON'' Task Force to produce a draft standard. In September 2009, the IEEE 802 Plenary ratified an amendment to 802.3 to publish 802.3av amendment as the standard IEEE Std 802.3av-2009.
Major milestones:
The work on the 10G-EPON was continued by the IEEE P802.3bk ''Extended EPON'' Task Force, formed in March 2012. The major goals for this Task Force included adding support for PX30, PX40, PRX40, and PR40 power budget classes to both 1G-EPON and 10G-EPON. The 802.3bk amendment was approved by the IEEE-SA SB in August 2013 and published soon thereafter as the standard IEEE Std 802.3bk-2013.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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