Tabla de contenido
14. Wireless Network Glossary
VPN
Virtual Private Network. A type of technology designed to increase the security of
information transferred over the Internet. VPN creates a private encrypted tunnel from the
end user's computer, through the local wireless network, through the Internet, all the way to
the corporate network.
Walled Garden
On the Internet, a walled garden refers to a browsing environment that controls the
information and Web sites the user is able to access. This is a popular method used by
ISPs in order to keep the user navigating only specific areas of the Web
WAN
Wide Area Network. A communication system of connecting PCs and other computing
devices across a large local, regional, national or international geographic area. A WAN
port on the network device means the port (or wireless connection) that is connected to the
Internet side of the network topology.
WEP
Wired Equivalent Privacy. A wireless encryption protocol. WEP is available in 40-bit (64-bit),
108-bit (128-bit) or 152-bit (Atheros proprietary) encryption modes.
Wi-Fi
Wireless Fidelity. An interoperability certification for wireless local area network (LAN)
products based on the IEEE 802.11 standards.
The governing body for Wi-Fi is called
Wi-Fi Alliance (also known as WECA).
WiMAX
Worldwide Interoperability for Microwave Access. A Wireless Metropolitan Network
technology that complies with IEEE 802.16 and ETSI Hiperman standards. The orginal
802.16 standard call for operating frequency of 10 to 66Ghz spectrum. The 802.16a
amendment extends the original standard into spectrum between 2 and 11 Ghz. 802.16d
increase data rates to between 40 and 70 Mbps/s and add support for MIMO antennas,
QoS, and multiple polling technologies. 802.16e adds mobility features, narrower
bandwidth (a max of 5 mhz), slower speed and smaller antennas. Mobility is allowed up to
AirLive AIRMAX5 User's Manual
188
Tabla de contenido
