127
Glossary
Gigaset SE505 dsl/cable / englisch / A31008-E505-B100-1-19 / glossary.fm / 15.06.2004
Global IP address
See
Half duplex
Operating mode for data transfer. Only one party can receive or send data at a time.
See also:
http proxy
An HTTP proxy is a
that network components use for their
connections.
All requests are sent via the proxy.
Hub
A Hub connects several network components in a star-topology network by sending all
the data it receives from one network component to all the other network components.
See also
,
IEEE
Institute of Electrical and Electronic Engineers
The IEEE is an international body for defining network standards, especially for stand-
ardising
technologies, transmission protocols and speeds, and wiring.
IEEE 802.11
802.11 is a standard for wireless LAN's in the 2.4 GHz band. In so-called
terminals can be connected to a base station (
) or they can con-
nect with each other spontaneously (
Infrastructure mode
Infrastructure mode is a way of operating wireless local networks (
), in which an
handles the data traffic. Network components cannot establish a direct
connection with each other as is the case in
Internet
The Internet is a wide-area network (
) linking several million users around the
world. A number of
have been created for exchanging data, and these are
. All parties on the Internet can be identified by an
(e.g. siemens.com). Domain names
are assigned to IP addresses by the Domain Name Service (
).
Among the most important Internet services are:
u
electronic mail (email)
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.
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).
