AirLive WHA-5500CPE-NT - Manual (Page 159)

13. Wireless Network Glossary
153 AirLive WHA-5500CPE-NT User’s Manual
UDP
User Datagram Protocol. A layer-4 network protocol for transmitting data that does not
require acknowledgement from the recipient of the data.
Upgrade
To replace existing software or firmware with a newer version.
Upload
To send a file to the Internet or network device.
URL
Uniform Resource Locator. The address of a file located on the Internet.
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),