Lancom Systems 1621, 821, 1711 manual Networking via the Internet

LANCOM 821 ADSL/ISDN – LANCOM 1621 ADSL/ISDN – LANCOM 1711 VPN

Chapter 1: Introduction

to the original investment costs, ongoing costs are also incurred for the administration and maintenance of this equipment.

Networking via the Internet

The following structure results when using the Internet instead of direct con- nections :

EN	LAN
Head Office
LAN	Internet
	Workstation in remote
Subsidiary	access

All participants have fixed or dial-up connections to the Internet. Expensive dedicated lines are no longer needed.

All that is required is the Internet connection of the LAN in the headquar- ters. Special switching devices or routers for dedicated lines to individual participants are superfluous.

The subsidiary also has its own connection to the Internet.

The RAS PCs connect to the headquarters LAN via the Internet.

The Internet is available virtually everywhere and typically has low access costs. Significant savings can thus be achieved in relation to switched or ded- icated connections, especially over long distances.

The physical connection no longer exists directly between two participants; instead, the participants rely on their connection to the Internet. The access technology used is not relevant in this case: ideally is the use of broadband

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