Siemens Gigaset USB Stick 108 Manual page 39

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Table of Contents

Glossary

DNS

Domain Name System

DNS permits the assignment of IP addresses to PC or domain names that are easier to

remember. A DNS server must administer this information for each LAN with an Internet

connection. As soon as a page on the Internet is called up, the browser obtains the

corresponding IP address from the DNS Server so that it can establish the connection.

On the Internet the assignment of domain names to IP addresses follows a hierarchical

system. A local PC only knows the address of the local DNS Server. This in turn knows all

the addresses of the PCs in the local network and the next higher DNS Server, which

again knows addresses in its network and that of the next DNS Server.

DNS-Server

See DNS

Domain name

The domain name is the reference to one or more web servers on the Internet

(e.g. siemens.com). The domain name is mapped via the DNS service to the

corresponding IP address.

DSL

Digital Subscriber Line

DSL is a data transmission technology in which a connection to the Internet can be run

at up to 1.5 Mbps over normal telephone lines. A DSL connection is provided by an

Internet provider. It requires a DSL modem.

Dynamic IP address

A dynamic IP address is assigned to a network component automatically via DHCP.

This allows the IP address of a network component to change every time it logs on or

in certain time intervals.