from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Computer Science One of the three principal topologies for a LAN, in which all nodes are arranged in a circle.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A network topology in which, in the physical case, every node of a network is connected to exactly two other nodes: one node designated as upstream and the other as downstream. A given node receives data from its upstream node and sends data to its downstream node.


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