Gateway 7001 Series - Manual (Page 181)

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802
IEEE 802 ( IEEE Std. 802-2001 ) is a family of standards for peer-to-peer communication over
a LAN . These technologies use a shared-medium, with information broadcast for all stations
to receive. The basic communications capabilities provided are packet-based. The basic unit
of transmission is a sequence of data octets (8-bits), which can be of any length within a
range that is dependent on the type of
LAN .
Included in the 802 family of IEEE standards are definitions of bridging, management, and
security protocols.
802.1x
IEEE 802.1x ( IEEE Std. 802.1x-2001 ) is a standard for passing EAP packets over an 802.11
wireless network using a protocol called EAP Encapsulation Over LANs (EAPOL). It
establishes a framework that supports multiple authentication methods.
IEEE 802.1x authenticates users not machines.
802.2
IEEE 802.2 ( IEEE Std. 802.2.1998 ) defines the LLC layer for the 802 family of standards.
802.3
IEEE 802.3 ( IEEE Std. 802.3-2002 ) defines the MAC layer for networks that use CSMA/CA .
Ethernet is an example of such a network.
802.11
IEEE 802.11 ( IEEE Std. 802.11-1999 ) is a medium access control ( MAC ) and physical layer
( PHY ) specification for wireless connectivity for fixed, portable, and moving stations within
a local area. It uses direct sequence spread spectrum (DSSS) in the 2.4 GHz ISM band and
supports raw data rates of 1 and 2 Mbps. It was formally adopted in 1997 but has been
mostly superseded by
802.11b .
IEEE 802.11 is also used generically to refer to the family of IEEE standards for wireless
local area networks.
802.11a
IEEE 802.11a ( IEEE Std. 802.11a-1999 ) is a PHY standard that specifies operating in the 5
GHz U-NII band using orthogonal frequency division multiplexing (OFDM). It supports
data rates ranging from 6 to 54 Mbps.
802.11a Turbo
IEEE 802.11a Turbo is a proprietary variant of the 802.11a standard from Atheros
Communications . It supports accelerated data rates ranging from 6 to 108Mbps.