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D-74 Psion Teklogix 9160 G2 Wireless Gateway User Manual

Appendix D: Glossary

WMM

Wireless Multimedia (WMM) is a IEEE technology standard designed to improve the

quality of audio, video and multimedia applications on a wireless network. Both access

points and wireless clients (laptops, consumer electronics products) can be WMM-enabled.

WMM features are based on is a subset of the WLAN IEEE 802.11e draft specification.

Wireless products that are built to the standard and pass a set of quality tests can carry the

“Wi-Fi certified for WMM” label to ensure interoperability with other such products. For

more information, see the WMM page on the Wi-Fi Alliance Web site:

http://www.wi-fi.org/OpenSection/wmm.asp.

WPA

Wi-Fi Protected Access (WPA) is a Wi-Fi Alliance version of the draft IEEE 802.11h

standard. It provides more sophisticated data encryption than WEP and also provides user

authentication. WPA includes TKIP and 802.1x mechanisms.

WPA2

Wi-Fi Protected Access (WPA2) is an enhanced security standard, described in IEEE

802.11h, that uses Advanced Encryption Standard (AES) for data encryption.

The original WPA uses Temporal Key Integrity Protocol (TKIP) for data encryption. WPA2

is backwards-compatible with products that support the original WPA.

WPA2, like the original WPA, supports an Enterprise and Personal version. The Enterprise

version requires use of IEEE 802.1x security features and Extensible Authentication

Protocol (EAP) authentication with a RADIUS server.

The Personal version does not require IEEE 802.1x or EAP. It uses a Pre-Shared Key (PSK)

password to generate the keys needed for authentication.

WRAP

Wireless Robust Authentication Protocol (WRAP) is an encryption method for 802.11h that

uses AES but another encryption mode (

OCB) for encryption and integrity.

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