Data communications system

Details Data communications system Data communications system

1990-12-10

1993-11-23

Beausoliel, Jr., Robert W.

Excavating

371 33, 370 851, 370 943, G08C 2502

Patent

active

052651037

ABSTRACT:
A data communications system comprises a number of interconnected nodes. Messages from the nodes are grouped into frames, and the frames are delivered to all the nodes in the same sequence.
Whenever a transmission error is detected, all the nodes co-operate to replay the sequence of frames from a particular point which is at least far enough back to ensure retransmission of the earliest frame that could have been in error. Each node then discards all repeated frames that it has already correctly received.

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patent: 4726027 (1988-02-01), Nakmura et al.
patent: 4781427 (1988-11-01), Husbands et al.
patent: 5081623 (1992-01-01), Ainscow
patent: 5109384 (1992-04-01), Tseung
patent: 5161153 (1992-11-01), Westmore
Goodman, "Multiwavelength Networks and New Approaches to Packet Switching", IEEE Communications Magazine, Oct. 1989, pp. 27-35.

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