Glossary

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 addressSee Public IP addressHTTP Proxy

An HTTP proxy is a Server that network components use for their Internet traffic. All requests are sent via the proxy.

IEEE

Institute of Electrical and Electronics Engineers

The IEEE is an international body for defining network standards, especially for standardising LAN technologies, transmission protocols and speeds, and wiring.

IEEE 802.11

IEEE 802.11 is a standard for wireless LANs operating in the 2.4 GHz band. In a so-called Internet, terminals can be connected to a base station (Access Point) or they can connect with each other spontaneously (Ad-hoc mode).

Internet

The Internet is a wide-area network (WAN) linking several million users around the world. A number of Protocol have been created for exchanging data, and these are known collectively as TCP/IP. All participants on the Internet can be identified by an IP address. Servers are addressed by Domain names (e.g. siemens.com). Domain names are assigned to IP addresses by the Domain Name Service (DNS).

Among the most important Internet services are:uelectronic mail (email)uthe World Wide Web (WWW) u file transfer (FTP)u discussion forums (Usenet / Newsgroups)Internet ProviderAn Internet Service Provider offers access to the Internet for a fee.

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