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In computer networking, Energy-Efficient Ethernet (EEE) is a set of enhancements to twisted-pair, twinaxial, backplane, and optical fiber Ethernet physical-layer variants that reduce power consumption during periods of low data activity.[1] The intention is to reduce power consumption by at least half, while retaining full compatibility with existing equipment.[2]
The Institute of Electrical and Electronics Engineers (IEEE), through the IEEE 802.3az task force, developed the standard. The first study group had its call for interest in November 2006, and the official standards task force was authorized in May 2007.[3] The IEEE ratified the final standard in September 2010.[4] Some companies introduced technology to reduce the power required for Ethernet before the standard was ratified, using the name Green Ethernet.
Some energy-efficient switch integrated circuits were developed before the IEEE 802.3az Energy-Efficient Ethernet standard was finalized.[5][6]
- ^ IEEE 802.3 Clause 78
- ^ Sean Michael Kerner (July 17, 2009). "Energy Efficient Ethernet hits standards milestone — InternetNews:The Blog — Sean Michael Kerner". Internetnews blog. Archived from the original on July 18, 2009. Retrieved July 5, 2011.
- ^ "IEEE 802.3 Energy Efficient Ethernet Study Group". September 21, 2007. Archived from the original on June 4, 2017. Retrieved July 5, 2011.
- ^ "IEEE ratifies new 8023az standard to reduce network energy footprint". Lightwaveonline.com. October 5, 2010. Archived from the original on October 9, 2011. Retrieved July 5, 2011.
- ^ "Top OEMs 'Go Green' With Broadcom's 65nm SMB Switch Family" (Press release). Broadcom Corporation. June 3, 2009. Archived from the original on September 17, 2011. Retrieved July 5, 2011.
- ^ Nicholas Ilyadis (April 1, 2010). "Broadcom Energy Efficiency Initiatives" (PDF). Broadcom. Archived from the original (PDF) on June 13, 2010. Retrieved July 5, 2011.