Glossary
74
1/1551-CRH 102 167 Uen Rev C 2007-04-19
Glossary
2G
The second generation wireless
communications technology, introducing
digital voice encoding. Low speed data
services are supported.
3G
The third-generation wireless
communications technology. 3G includes
enhanced voice, data, and video capabilities,
improved availability, broad bandwith and
high speed.
ALG
Application Layer Gateway.
An ALG provides a translation and
transportation service for an Internet
application. If necessary, the contents of a
data packet are modified and if a secondary
port is required, the ALG will open one.
AES
Advanced Encryption Standard.
An encryption method used by WPA2. AES
offers a high level of security and is approved
for sensitive corporate and government data
transmission.
AP
Access point.
An Internet device that seamlessly connects
wired and wireless networks. Access points
attached to a wired network support the
creation of multiple radio cells that enable
roaming throughout a facility.
APN
Access Point Name.
A reference to the Internet access point of an
Service provider.
Authentication
The process to verify the identity of a user
requesting network access.
Broadcasting
To simultaneously send the same message to
multiple recipients.
CDMA
Code Division Multiple Access.
A general term describing mobile air interface
technologies based on “spread spectrum”
digital radio access methods, offering benefits
including increased capacity, quality and
security. CDMA is fundamental to 3G mobile
systems.
Channel
A channel determines the radio frequency
used by an access point to pass data traffic to
wireless clients. Available channels depend
on region specific regulations.
DHCP
Dynamic Host Configuration Protocol.
A protocol used to provide a framework for
passing configuration information on a
TCP/IP network.
DHCP server
Dynamic Host Configuration Protocol server.
A configuration server, capable of configuring
network devices with a variety of information
required for their operation.
DNS
Domain Name System (or Service).
The way that Internet domain names are
located and translated into IP addresses.