Ring communication network system and a method for controlling s

Details Ring communication network system and a method for controlling s Ring communication network system and a method for controlling s

1986-02-05

1988-08-09

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 15, H04J 314

Patent

active

047633158

ABSTRACT:
In a communication network having a plurality of stations interconnected through a double ring transmission line, a station which detects a failure in the ring transmission line sends out a failure notice data, and a station which has received the failure notice data stops the send-out of its own data and relays the received data. A station which cannot receive the failure notice data loops back and transmission line to form a closed ring transmission line which bypasses a failure location.

REFERENCES:
patent: 4190821 (1980-02-01), Woodward
patent: 4370744 (1983-01-01), Hirano et al.
patent: 4530085 (1985-07-01), Hamada et al.
patent: 4542496 (1985-09-01), Takeyama et al.
patent: 4553233 (1985-11-01), Debuysscher et al.
WO85/02078, 5-9-85, Beale et al., Int. Application Published Under PCT.

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