Data exchange, data terminal accommodated in the same, data comm

Details Data exchange, data terminal accommodated in the same, data comm Data exchange, data terminal accommodated in the same, data comm

1995-11-08

1999-06-15

Jung, Min

Multiplex communications

Fault recovery

Bypass an inoperative channel

370237, H04J 314, H04L 122

Patent

active

059128771

ABSTRACT:
The present invention relates to a data exchange and a data exchanging method each suitable for a communication system which tends to be congested due to high-speed communication such as a frame relay network. The data exchange that accommodates plural data terminals via terminal trunks includes a congestion status detecting unit for detecting the congestion status in a standard transit trunk, and the transit trunk control unit including a first alternate control unit that controls to transfer data to be transferred by a roundabout route using a backup transit trunk, based on detection information from the congestion status detecting unit. The purpose of the present invention is to suppress the occurrence of congestion or the frame disposal of a frame at a congestion occurrence time.

REFERENCES:
patent: 5253248 (1993-10-01), Dravida et al.
patent: 5343465 (1994-08-01), Khalil
patent: 5483519 (1996-01-01), Satomi et al.
patent: 5502712 (1996-03-01), Akita
patent: 5581542 (1996-12-01), Kato et al.

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