Failure detection method in a communication channel with several

Details Failure detection method in a communication channel with several Failure detection method in a communication channel with several

1996-01-11

1998-04-07

Ton, Dang

Multiplex communications

Fault recovery

Bypass an inoperative channel

340827, H04J 116

Patent

active

057373116

ABSTRACT:
A method is provided for detecting failure in a communication channel with at least two routes (A, B), through which at least two stations (X, Y) communicate. According to the method, at least one station repeatedly sends simultaneous messages on routes containing a sequence number, and receives messages from other station(s), containing an array of sequence numbers last received by other station(s) on each route. At least one station then detects failure of a route by comparing the sequence numbers of the array of the messages it receives. The method provides for failure detection independently of real time constraints. Also provided is a station for carrying out this method.

REFERENCES:
patent: 5153874 (1992-10-01), Kohno
patent: 5237568 (1993-08-01), Woest et al.
patent: 5243593 (1993-09-01), Woest et al.
European Search Report, EP 95 41 0139, dtd 20 May 1996.

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