Connecting Remote LANs
Another common application for a backbone network is to connect remote LANs. This type of backbone network is useful when a company has several offices with LANs and needs to connect them. The connection can be done through bridges, sometimes called remote bridges. The bridges act as connecting devices connecting LANs and point-to-point networks, such as leased telephone lines or ADSL lines.
The point-to-point network in this case is considered a LAN without stations. The point-to-point link can use a protocol such as PPP. The following figure shows a backbone connecting remote LANs.
For Further Reading:
Different Connecting Devices
Loop problem in Transparent Bridges
Bus Backbone Network
Star Backbone Networks
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