Wide Area Networks (WAN)

Wide Area Networks (WAN) is the network that covers a large area
extends from countries to continents. WANs are used to connect
LANs.

WAN structure


WAN is connected to different networks through hubs nad routers.
A LAN is connected to a WAN via router but on the other side a hub
is present.

protocols includes
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The important protocols used in WAN are

1. ATM

2. Frame Relay

3. MPLS

4. SONET/SDH


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