Write token regeneration in a timed token ring

Details Write token regeneration in a timed token ring Write token regeneration in a timed token ring

1982-07-26

1986-06-03

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

370 86, 375116, H04Q 500, H04J 306

Patent

active

045932808

ABSTRACT:
Disclosed is a bidding method for regenerating a lost write token in a token controlled loop communications network. In response to a station on the loop detecting the loss of the write token, the station will generate a unique recovery token specifying as the destination address that station's individual address and transmit the generated recovery token onto the loop. Stations receiving the recovery token will examine the recovery token's destination address and based on a bidding method, will either pass the recovery token on unaltered or substitute the receiving station's individual address if the recovery token's destination address is not equal to the receiving station's individual address. When a receiving station's individual address matches that specified in the recovery token, that station wins the bid and generates a new write token.
The method disclosed can also be used to generate a write token when the network is initialized.

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"A Reliable Token-Ring System for Local-Area Communication", Werner Bux et al., Published in vol. 1 of the NTC Record-1981, National Telecommunications Conference, New Orleans, Louisiana, Nov. 29 to Dec. 3, 1981, pp. A2.2.1-A2.2.6.

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