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Glossary
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Switch
A switch, like a
Hub
, is an element used to link different network segments or compo-
nents. Unlike a hub however, the switch has its own intelligence that enables it to for-
ward packets to only the subnet or network component they are meant for.
See also:
Bridge
,
Hub
,
Router
,
Gateway
TCP
Transmission Control Protocol
The TCP
Protocol
is part of the
TCP/IP
protocol family. TCP handles data transport
between communication partners (applications). TCP is a session-based transfer proto-
col, i.e. it sets up, monitors and terminates a connection for transferring data.
See also:
UDP
TCP/IP
Protocol
family on which the
Internet
is based.
IP
forms the basis for every computer-to-
computer connection.
TCP
provides applications with a reliable transmission link in the
form of a continuous data stream. TCP/IP is the basis on which services such as WWW,
Mail and News are built. There are other protocols as well.
UDP
User Datagram Protocol
UDP is a
Protocol
of the
TCP/IP
protocol family that handles data transport between two
communication partners (applications). Unlike
TCP
, UDP is a non-session based proto-
col. It does not establish a fixed connection. The recipient is responsible for making sure
the data is received. The sender is not notified about whether it is received or not.
UPnP
Universal Plug and Play
UPnP technology is used for the spontaneous linking of home or small office networks.
Devices that support UPnP carry out their network configuration automatically once
they are connected to a network. They also provide their own services or use services of
other devices in the network automatically.
URL
Universal Resource Locator
Globally unique address of a domain on the
Internet
.
Vanity
The term vanity comes from the United States. Alphanumeric key-
pads on phones and other phone terminals allow you to represent
phone numbers as words so that they can be remembered more eas-
ily. Instead of a combination of digits, you select a combination of
letters.