token ring definition
A computer local area network
arbitration scheme in which conflicts in the transmission of messages are avoided by the granting of "tokens" which give permission to send. A station keeps the token while transmitting a message, if it has a message to transmit, and then passes it on to the next station.
Often, "Token Ring" is used to refer to the IEEE 802.5
token ring standard
, which is the most common type of token ring. Usenet