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Global IP address
See
Public IP address
Half duplex
Operating mode for data transfer. Only one party can receive or send data at a time.
See also:
Full duplex
http proxy
An HTTP proxy is a
Server
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 Switch, Bridge, Router,
IEEE
Institute of Electrical and Electronic Engineers
The IEEE is an international body for defining network standards, especially for stand-
ardising
LAN
technologies, transmission protocols and speeds, and wiring.
IEEE 802.11
IEEE
802.11 is a standard for wireless LAN's in the 2.4 GHz band. In so-called
ture mode
terminals can be connected to a base station
nect with each other spontaneously
Infrastructure mode
Infrastructure mode is a way of operating wireless local networks (WLAN), in which an
Access point
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 (WAN) linking several million users around the
world. A number of
known collectively as TCP/IP. All parties on the Internet can be identified by an
address. Servers are addressed by a
are assigned to IP addresses by the Domain Name Service (DNS).
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
IP
Internet Protocol
The IP
Protocol
is one of the
network using
IP
addresses, 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).
that network components use for their
Gateway
(Ad-hoc
Protocols
have been created for exchanging data, and these are
Domain name
TCP/IP
protocols. It is responsible for addressing parties in a
(Access
mode).
Ad-hoc
mode.
(e.g. siemens.com). Domain names
Internet
for a fee.
Glossary
Internet
connections.
Infrastruc-
point) or they can con-
IP
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