Bus Topology

Bus topology is a network architecture where all devices are connected to a single central cable, called the bus or backbone, using drop lines. Data transmitted by any device travels along the bus and is received by all other devices, but only the intended recipient processes it. It is a simple and cost-effective design commonly used in early local area networks (LANs).

Also known as: Linear Bus Topology, Backbone Topology, Common Bus, Bus Network, Linear Network

Why learn Bus Topology?

Developers should learn bus topology to understand foundational networking concepts, especially when working with legacy systems or designing simple, small-scale networks where cost and simplicity are priorities. It is useful in scenarios like industrial control systems, basic office setups, or educational contexts to grasp data transmission principles, though it has largely been superseded by more robust topologies like star or mesh for modern applications.

Learning Resources

• docs: Computer Network Topologies
• tutorial: Bus Topology Explained
• video: Network Topologies - Bus, Ring, Star, Mesh
• docs: Cisco Networking Basics
• course: Network Topology Course on Coursera