115
Glossary
Gigaset WLAN Repeater / englisch / A31008-E505-B105-1-7619 / glossary.fm / 08.03.2004
Gateway
A Gateway is a device for connecting networks with completely different architectures
(addressing, protocols, application interfaces etc.). Although it is not totally correct, the
term is also used as a synonym for
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
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 Electronics Engineers
The IEEE is an international body for defining network standards, especially for
standardising
technologies, transmission protocols and speeds, and wiring.
IEEE 802.11
802.11 is a standard for wireless 2.4-GHz band LANs. In so-called
terminals can be connected to a base station (
) or they can connect
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
have been created for exchanging data, and these are
known collectively as
. All participants on the Internet are identifiable by an
. Servers are addressed by a
(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)