Data communication system

Details Data communication system Data communication system

1992-06-19

1994-03-22

Chin, Wellington

Multiplex communications

Wide area network

Packet switching

370 601, 370 61, 370 941, 370 942, 370 79, 370 77, 370 8515, H04J 314, H04L 1226

Patent

active

052971392

ABSTRACT:
In a method of controlling a buffer device, data are received from a communication transmission line, and the received data are written in a buffer device at a predetermined write rate. The data written from the buffer device are started to be read at a predetermined read rate. The quantity of data written and accumulated in the buffer device is compared with a predetermined threshold for a predetermined period from the read start point of time. When it is found as the result of comparison that the quantity of accumulated data is the same as or less than the threshold, the buffer device performs only write of data from the communication transmission line and, when the quantity of accumulated data is larger than the threshold, the buffer device performs both write of data from the communication transmission line and read of data out of the buffer device at the same time during a predetermined period.

REFERENCES:
patent: 4175287 (1979-11-01), Furhman
patent: 4692894 (1987-09-01), Bemis
patent: 4841550 (1989-06-01), George et al.
patent: 4922438 (1990-05-01), Ballweg

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