Multiplex communications – Wide area network – Packet switching
Patent
1994-11-18
1996-02-13
Kizou, Hassan
Multiplex communications
Wide area network
Packet switching
370 8515, 370 8514, H04L 12437
Patent
active
054916860
ABSTRACT:
A composite ring network includes two ring networks each having a plurality of nodes and connected to each other by a bridging path which sustains a signal format different from the one used in the ring networks. The bridging path detects a loss of communication through it and issues a failure signal in the form which is detectable by the nodes which form the ring network.
REFERENCES:
patent: 5187706 (1993-02-01), Frankel et al.
patent: 5218604 (1993-06-01), Sosnosky
patent: 5315582 (1994-05-01), Morizono et al.
patent: 5327427 (1994-07-01), Sandesara
patent: 5394389 (1995-02-01), Kremer
Fujitsu Limited
Kizou Hassan
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