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Glossary
Gigaset SX541 WLAN dsl / englisch / A31008-M1025-L101-1-7619 / glossary.fm / 21.07.2005
Schablone 2005_05_02
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.
Internet
The Internet is a wide-area network (WAN) linking several million users around the
world. A number of Protocols have been created for exchanging data, and these are
known collectively as TCP/IP. All participants on the Internet are identifiable by an IP
address. Servers are addressed by a Domain names (for example siemens.com). Domain
names 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 Provider
An Internet Service Provider offers access to the Internet for a fee.
Internet telephony
Voice transmission via the Internet (Voice over IP).
IP
Internet Protocol
The IP Protocol is one of the TCP/IP protocols. It is responsible for addressing parties in a
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).
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