Timed token ring with multiple priorities

Details Timed token ring with multiple priorities Timed token ring with multiple priorities

1982-03-05

1983-09-13

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

3408255, 370 86, 370 84, 375 8, H04Q 900, H04L 1100, H04J 602

Patent

active

044045573

ABSTRACT:
A timed token protocol for use in a local area loop communications network is disclosed. The protocol provides three classes of service with a priority relationship between classes. The three classes allow guaranteed bandwidth, interactive and batch services. The classes are implemented by timing the rotation time of a write token to measure instantaneous load. Transmission of information is limited by class of service and the measured write token rotation time.
Also disclosed is a hardware embodiment of a loop communications station which implements the timed token protocol.

REFERENCES:
patent: 4103288 (1978-07-01), Westman
patent: 4251880 (1981-02-01), Baugh et al.
patent: 4320520 (1982-03-01), Graham
patent: 4346440 (1982-08-01), Kyu

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