Bus Topology

A bus topology in more technical terms means that it is a method of transmission on networks that uses a common vehicle for transmissions and thus it is categorized as shared communication. Imagine a bus picking up various people from one stop and dropping of people as it travels and then picking a few more. That is what happens in a bus network exactly.

Bus Topology
  • Failure of one of the station does not affect others.

  • Good compromise over the other two topologies as it allows relatively high rate of data tansmittion.

  • Well suited for temporary networks that must be set up in a hurry. (Quick Setup)

  • Easy to implement and extend.

  • Cheaper than the more complex topologies.

  • Require a network to detect when two nodes are transmitting at the same time.

  • Does not cope well with heavy traffic rates.

  • Difficult to administer/troubleshoot.

  • Limited cable length and number of stations.

  • A cable break can disable the entire network; no redundancy.

  • Maintenance cost may be higher in the long run.

  • Performance degrades as additional computers are added.

  • Collisions are common in a bus topology.

  • Difficult to administer and troubleshoot.

  • Maintenance costs may be higher in the long run, cancelling out the low initial cost.

  • Low security measures employed on bus topologies. (All computers can see all data transmissions).

  • Terminators required in order to close path. Eliminated bounce back.

About Us

We are a group of current or aspiring teachers currently studying at Pace University in Westchester County in New York State.

Research Sources


Bus Topology

This site discusses the Bus Topology and focuses on its functionality, advantages, disadvantages, and use in an office/school environment.

Bus Network Topology

This site discusses the Bus Topology and is focused on the benefits and deficiencies of the bus topology. The site also includes additional resources worth looking at.

Planning a Bus Topology

This article from IBM discusses planning issues common to all bus topologies. The site includes a set up procedure for planning a single-server bus topology and multiple-bus topology.

Bus Topology Video

This YouTube video illustrates how a bus topology works, and what benefits and limitations exist within a bus topology.