Siemens SX763 User Manual download pdf (Page 140)

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Glossary

Gigaset SX763 WLAN dsl / en / A31008-M707-R131-2-7619 / glossary.fm / 08.12.2006

Schablone 2004_08_26

Half duplex

Operating mode for data transmission. Only one side can send and/or receive data at

the same time.

See also: Full duplex

HTTP proxy

An HTTP proxy is a Server that network components use for their Internet traffic. 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, Gateway

IEEE

Institute of Electrical and Electronic Engineers

The IEEE is an international body for defining network standards, especially for stand-

ardising LAN technologies, transfer protocols, data transfer speeds and wiring.

IEEE 802.11

IEEE 802.11 is a standard for wireless LANs operating in the 2.4 GHz band. In so-called

Infrastructure mode, terminals can be connected to a base station (Access point) or they

can connect with each other spontaneously (Ad-hoc mode).

IGMP

Internet Group Management Protocol

IGMP is an Internet Protocol that enables an Internet computer to inform neighbouring

routers that it is a member of a multicast group. With multicasting, a computer can send

content on the Internet to several other computers that have registered an interest in

the first computer's content. Multicasting can, for example, be used for multimedia pro-

grams for media streaming to recipients that have set up multicast group membership.

Infrastructure mode

Infrastructure mode is a way of operating wireless local networks (WLANs) in which an

Access point handles the data traffic. Network components cannot establish a direct

connection with each other as is the case in Ad-hoc mode.

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Siemens SX763 User Manual Page 140