 - A bus network is an arrangement in a local area network (LAN) in which each node (workstation or other device) is connected to a main cable or link called the bus. The
illustration shows a bus network with five nodes. Each node is shown as a
sphere, the bus appears as a heavy horizontal line, and connections to the
bus appear as vertical lines.
A bus network is simple and reliable. If one node fails to operate, all the
rest can still communicate with each other. For a major disruption to take
place, the bus itself must be broken somewhere. Bus networks are easy to
expand. Additional nodes can be added anywhere along the bus.
There are several limitations to the bus network topology. The length of
the bus is limited by cable loss. A bus network may not work well if the
nodes are located at scattered points that do not lie near a common line. In
situations like this, a ring network, mesh
network, or star network may prove more flexible and
more cost effective.
| LAST UPDATED: |
22 Dec 2002
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