Siemens SX541 WLAN dsl User Manual

Gigaset SX541 WLAN dsl / englisch / A31008-M1025-L101-1-7619        / glossary.fm / 21.07.2005

Sc

hablone 2005_05_02

IGMP
Internet Group Management Protocol
IGMP is an Internet 

 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 (

) in which an 

 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 (

) linking several million users around the 

world. A number of 

 have been created for exchanging data, and these are 

known collectively as 

. All participants on the Internet are identifiable by an 

. Servers are addressed by a 

 (for example siemens.com). Domain 

names are assigned to IP addresses by the Domain Name Service (

). 

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 

 for a fee. 

Internet telephony
Voice transmission via the 

 (Voice over 

IP
Internet Protocol
The IP 

 protocols. It is responsible for addressing parties in a 

network using 

, 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).