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Appendix D: Glossary
PSK
PSK
Pre-Shared Key (PSK), see
Public Key
A public key is used in public key cryptography to encrypt a message which can only be
decrypted with the recipient's private or secret key. Public key encryption is also called
asymmetric encryption, because it uses two keys, or Diffie-Hellman encryption. Also see
Shared
Q
QoS
Quality of Service (QoS) defines the performance properties of a network service, including
guaranteed throughput, transit delay, and priority queues. QoS is designed to minimize
Latency, Jitter,
dedicated bandwidth for high priority network traffic.
The
IEEE
802.11e
R
RADIUS
The Remote Authentication Dial-In User Service (RADIUS) provides an authentication and
accounting system. It is a popular authentication mechanism for many ISPs.
RC4
A symmetric stream cipher provided by
with byte-oriented operations. It allows keys up to 2048 bits in length.
Roaming
In
IEEE 802.11
network (WLAN) that require use of more than one
D-66
Psion Teklogix 9160 G2 Wireless Gateway User Manual
Shared
Key.
Packet
Loss, and network congestion, and provide a way of allocating
standard for implementing QoS on wireless networks is currently in-work by the
task group. A subset of
parlance, roaming clients are mobile client stations or devices on a wireless
Key.
802.11e
features is described in the
. It is a variable key-size stream cipher
RSA Security
Access Point
WMM
specification.
(AP) as they move out of
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