Gigaset SE551 WLAN dsl/cable Practical Tips page 88

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 Router.
Global IP address
See Public IP address
Half duplex
Operating mode for data transfer. Only one side 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
IEEE is an international body for defining network standards, especially for standardiz-
ing LAN technologies, transmission protocols and speeds, and wiring.
IEEE 802.11
IEEE 802.11 is a standard for wireless 2.4-GHz band LANs. In so-called
mode end devices can be connected to a base station
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
name TCP/IP. All participants in the Internet are identifiable by an
addressed by a Domain name
to assign Domain names to IP addresses.
Among the most important Internet services are:
u
electronic mail (email)
u
World-Wide Web (WWW)
u
file transfer (FTP)
u
discussion forums (Usenet / Newsgroups)
that network components use for their
Gateway
(Ad-hoc mode).
Protocols have been defined for exchanging data known by the
(e. g. siemens.com). Domain Name Service (DNS) is used
(Access point) or connect with
Ad-hoc mode.
Glossary
Internet connections.
Infrastructure
IP address. Servers are
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