AOS-W 6.5.3.x | User Guide Glossary of Terms | 1116
Appendix A
Glossary of Terms
The following table provides a brief description of the terminology used in this guide.
3DES
Triple Data Encryption Standard. 3DES is a symmetric-key block cipher that applies the DES cipher algorithm
three times to each data block.
3G
Third Generation of Wireless Mobile Telecommunications Technology. See W-CDMA.
3GPP
Third Generation Partnership Project. 3GPP is a collaborative project aimed at developing globally acceptable
specifications for third generation mobile systems.
4G
Fourth Generation of Wireless Mobile Telecommunications Technology. See LTE.
802.11
802.11 is an evolving family of specifications for wireless LANs developed by a working group of the Institute
of Electrical and Electronics Engineers (IEEE). 802.11 standards use the Ethernet protocol and Carrier Sense
Multiple Access with collision avoidance (CSMA/CA) for path sharing.
802.11 bSec
802.11 bSec is an alternative to 802.11i. The difference between bSec and standard 802.11i is that bSec
implements Suite B algorithms wherever possible. Notably, Advanced Encryption Standard-Counter with CBC-
MAC is replaced by Advanced Encryption Standard - Galois/Counter Mode, and the Key Derivation Function
(KDF) of 802.11i is upgraded to support SHA-256 and SHA-384.
802.11a
802.11a provides specifications for wireless systems. Networks using 802.11a operate at radio frequencies in
the 5 GHz band. The specification uses a modulation scheme known as orthogonal frequency-division
multiplexing (OFDM) that is especially well suited to use in office settings. The maximum data transfer rate is
54 Mbps.
802.11ac
802.11ac is a wireless networking standard in the 802.11 family that provides high-throughput WLANs on the
5 GHz band.
802.11b
802.11b is a WLAN standard often called Wi-Fi and is backward compatible with 802.11. Instead of the Phase-
Shift Keying (PSK) modulation method used in 802.11 standards, 802.11b uses Complementary Code Keying
(CCK) that allows higher data speeds and makes it less susceptible to multipath-propagation interference.
802.11b operates in the 2.4 GHz band and the maximum data transfer rate is 11 Mbps.
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