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More specifically, the IEEE 802 standards are restricted to networks carrying variable-size packets. By contrast, in cell relay networks data is transmitted in short, uniformly sized units called cells. Isochronous networks, where data is transmitted as a steady stream of octets, or groups of octets, at regular time intervals, are also out of the scope of this standard. The number 802 was simply the next free number IEEE could assign, though “802” is sometimes associated with the date the first meeting was held — February 1980.
The services and protocols specified in IEEE 802 map to the lower two layers (Data Link and Physical) of the seven-layer OSI networking reference model. In fact, IEEE 802 splits the OSI Data Link Layer into two sub-layers named logical link control (LLC) and media access control (MAC), so the layers can be listed like this:
The IEEE 802 family of standards is maintained by the IEEE 802 LAN/MAN Standards Committee (LMSC). The most widely used standards are for the Ethernet family, Token Ring, Wireless LAN, Bridging and Virtual Bridged LANs. An individual working group provides the focus for each area.
|IEEE 802.1||Higher Layer LAN Protocols (Bridging)||active|
|IEEE 802.4||Token bus||disbanded|
|IEEE 802.5||Token ring MAC layer||disbanded|
|IEEE 802.6||MANs (DQDB)||disbanded|
|IEEE 802.7||Broadband LAN using Coaxial Cable||disbanded|
|IEEE 802.8||Fiber Optic TAG||disbanded|
|IEEE 802.9||Integrated Services LAN (ISLAN or isoEthernet)||disbanded|
|IEEE 802.10||Interoperable LAN Security||disbanded|
|IEEE 802.11||Wireless LAN (WLAN) & Mesh (Wi-Fi certification)||active|
|IEEE 802.13||Unused||Reserved for Fast Ethernet development|
|IEEE 802.14||Cable modems||disbanded|
|IEEE 802.15||Wireless PAN||active|
|IEEE 802.15.1||Bluetooth certification||active|
|IEEE 802.15.2||IEEE 802.15 and IEEE 802.11 coexistence|
|IEEE 802.15.3||High-Rate wireless PAN (e.g., UWB, etc.)|
|IEEE 802.15.4||Low-Rate wireless PAN (e.g., ZigBee, WirelessHART, MiWi, etc.)||active|
|IEEE 802.15.5||Mesh networking for WPAN|
|IEEE 802.15.6||Body area network||active|
|IEEE 802.15.7||Visible light communications|
|IEEE 802.16||Broadband Wireless Access (WiMAX certification)|
|IEEE 802.16.1||Local Multipoint Distribution Service|
|IEEE 802.16.2||Coexistence wireless access|
|IEEE 802.17||Resilient packet ring||hibernating|
|IEEE 802.18||Radio Regulatory TAG|
|IEEE 802.19||Coexistence TAG|
|IEEE 802.20||Mobile Broadband Wireless Access||hibernating|
|IEEE 802.21||Media Independent Handoff|
|IEEE 802.22||Wireless Regional Area Network|
|IEEE 802.23||Emergency Services Working Group|
|IEEE 802.24||Smart Grid TAG||New (November, 2012)|
|IEEE 802.25||Omni-Range Area Network|
- IEEE Std 802-1990: IEEE Standards for Local and Metropolitan Networks: Overview and Architecture New York:1990
- "Overview and Guide to the IEEE 802 LMSC" (PDF). September 2004. Retrieved January 11, 2012.
The project number, 802, was simply the next number in the sequence being issued by the IEEE for standards project
- "802.3". Data Communincation Standards and Protocols. EE Herald. Retrieved 2012-01-25.
- "The fate of 100 Mbps Ethernet now definitely two-fold". FDDI News. Boston: Information Gatekeepers, Inc. 4 (7): 1–2. July 1993. ISSN 1051-1903. Retrieved 2013-11-21.