If a station in a ring topology is unplugged, it breaks the loop and disconnects the network. Communication to other stations on the ring will be interrupted until the issue is resolved.
Basically, in a Bus topology, any station connected to the network can speak at any time. In a ring topology, the stations must wait to be issued the "token" before they can speak. Ethernet (Bus topology) uses CSMA/CD (Carrier-Sense Multiple Access/Collision Detection) to determine when two or more stations speak at the same time. In Ring topologies such as Token Ring and FDDI, this isn't an issue since the passing of the "token" guarantees that no two stations will speak at the same time.
Ring Topology How to run Ring topology
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In a ring topology, the nodes on both sides of the break will loop the path (self-healing) back towards the ring, so every node is still communicating with each other.
Ring topology is the passive topology in computer networks
Topology: physical ring of trees, logical ring
Ring Network Topology
How do hosts on a physical ring topology communication
bus topology, ring topology
Ring Topology, Mesh Topology, Bus Topology, Star Topology
star topology,bus topology,ring topology,mesh topology etc...