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Glossary
Internet
The Internet is a wide-area network (
) linking several million users around the
have been created for exchanging data, and these are
protocol stack. All participants on the Internet can be iden-
tified by an
. Servers are addressed by
(e.g. gigaset.com).
Domain names are assigned to IP addresses by the Domain Name Service (
These are some of the main Internet services:
u
Electronic mail (e-mail)
u
The World Wide Web (WWW)
u
File transfer (FTP)
u
Discussion forums (Usenet / Newsgroups)
Internet service provider
An Internet service provider offers access to the
for a fee.
Internet telephony
Transmission of voice via the
(Voice over
IP
Internet protocol
The IP
is one of the
protocols. It is responsible for addressing parties in a
network using
and routes data from the sender to the recipient. It decides
the paths along which the data packets travel from the sender to the recipient in a com-
plex network (routing).
IP address
The IP address is the unique network-wide address of a network component in a net-
work based on the
protocols (e.g. in a local area network (
) or on the
). The IP address has four parts (each with up to three-position digit sequences) sep-
arated by full stops (e.g. 192.168.1.1). The IP address comprises the network number
and the computer number. Depending on the
, one, two or three parts
form the network number; the remainder form the computer number. You can find out
the IP address of your PC using the
ipconfig
command.
IP addresses can be assigned manually (see
) or automatically (see
are normally used instead of the IP addresses. The
is used to assign domain names to IP addresses.
The router Gigaset 504 AGU has a
.
IPoA
IP over ATM
