SECTION 5
GLOSSARY
5-10 SECTION
5,
GLOSSARY
circuit for each line. VoIP enables calls to travel as discrete data
packets on shared lines. VoIP is an important part of the
convergence of computers, telephones, and television into a
single integrated information network.
VPN
A virtual private network is a private network that uses “virtual”
connections (tunnels) routed over a public network (usually the
Internet) to provide a secure and fast connection; usually to users
working remotely at home or in small branch offices. A VPN
connection provides security and performance similar to a
dedicated link (for example, a leased line), but at much lower
cost.
W
WAN
A wide-area network provides a connection over a large
geographic area, such as a country or the whole world. The
bandwidth depends on need and cost, but is usually much lower
than for a LAN.
WWW
World Wide Web. An interface to the Internet that you use to
navigate and hyperlink to information.
