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Networking: A Beginner's Guide
a certain amount of time. A connection-based switched link just gives you one "pipe"
from your source to your destination, but you can control what goes into the pipe and
how long it will take to get to its destination.
A dedicated WAN link is one that is always up and running. Examples of dedicated
WAN connections are DS1 (T-1) lines, xDSL lines, and leased telephone lines. You use a
dedicated connection when you need the connection to be up all the time or when the
overall economics show that such a connection is cheaper than a switched link. Figure 7-2
illustrates a dedicated WAN link.
Figure 7-1.
A switched WAN link
LAN
Switched dial-up
connection
Modem
Modem
LAN
Figure 7-2.
A dedicated WAN link
Summary :
You use a dedicated connection when you need the connection to be up all the time or when the overall economics show that such a connection is cheaper than a switched link.
Tags :
link,dedicated,wan,connection,switched,figure,lines,destination,modem,lan,pipe,time,economics