- A type of network configuration in which each node is connected to two adjacent nodes to form a continuous ring-like pattern.
- A communications network in which each node has two branches connected to it, so as to form a continuous loop or ring. As a given message or packet travels around such a ring, the appropriate nodes accept it, otherwise said message or packet is regenerated, enabling a ring network to span considerable distances. Used, for instance in LANs. Also called ring (7).