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Glossary
Gigaset WLAN Repeater/ englisch / A31008-E505-B105-1-7619 / glossary.fm / 08.03.2004
Switch
A Switch, like a
, 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 that subnet or network component they are meant for.
See also:
,
TCP
Transmission Control Protocol
The TCP
protocol family. TCP handles data transport
between communication partners (applications). TCP is a session-based transmission
protocol, i.e. it sets up, monitors and terminates a connection for transporting data.
See also:
TCP/IP
family on which the
is based.
forms the basis for every computer-
to-computer connection.
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.
Tunnelling
Tunnelling is a procedure in which the data traffic of the one
is transmitted
with the help of a different protocol. For example, data packets of a private network can
be packed in
packets and transported over the Internet as if in a tunnel. Tunnelling
procedures are used nowadays for the secure transmission of data in a Virtual Private
Network (
). The IP packets from the local network are encrypted using a tunnelling
protocol (e.g.
) before being sent over the Internet.
UDP
User Datagram Protocol
UDP is a
protocol family that handles data transport between
communication partners (applications). Unlike
, UDP is a non-session based proto-
col. It does not establish a fixed connection. The data packets, so-called datagrams, are
sent as a
. 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 on the network automatically.
URL
Universal Resource Locator
Globally unique address of a Domain on the
Internet
.
