How it works
A host on a bus network is called a station or workstation. In a bus network, every station receives all network traffic, and the traffic generated by each station has equal transmission priority. A bus network forms a single network segment and collision domain. In order for nodes to transmit on the same bus simultaneously, they use a media access control technology such as carrier sense multiple access (CSMA) or a bus master.
If any link or segment of the bus is severed, all network transmission ceases due to signal bounce caused by the lack of a terminating resistor.
Advantages and disadvantages
- Easy to connect a computer or peripheral to a linear bus
- Requires less cable length than a star topology resulting in lower costs
- It works well for small networks.
- Entire network shuts down if there is a break in the main cable
- Difficult to identify the problem if the entire network shuts down
- Terminators are required at both ends of the backbone cable
- Not meant to be used as a stand-alone solution in a large building
- Network slowness increases when more devices are added into the network
- "Network Topologies" Teachbook Blog, Accessed August 4th 2015.
- Janssen, Cory "What is a Bus Topology?", Techopedia, Accessed August 4th 2015.
- Knott, Geoffrey; Waites, Nick (2002). BTEC Nationals for IT Practitioners. Brancepeth Computer Publications. p. 395. ISBN 0-9538848-2-1.
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