Method and apparatus for controlling data transfer rates using m

Details Method and apparatus for controlling data transfer rates using m Method and apparatus for controlling data transfer rates using m

1996-11-15

1999-05-18

Pham, Chi H.

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

370253, 370395, H04J3/16

Patent

active

059057114

ABSTRACT:
A method and apparatus for controlling the data transfer rates of data sources in an asynchronous transfer mode-based network utilizing intelligent marking to identify those data sources with a data transfer rate exceeding a marking threshold and to direct those thus-identified data sources to reduce their data transfer rates, and to identify those data sources with a data transfer rate lower than a marking threshold and to direct those thus-identified data sources to increase their data transfer rates when the maximum data transfer rate at a communications switch exceeds a first threshold When the maximum data transfer rate at the communications switch exceeds a second thresholds directing all data sources to reduce their data transfer rates. The first and the second thresholds are based on a congestion indicator of available bit rate traffic stored in a buffer in the communications switch. The marking threshold equals a first function of at least a communications switch maximum data transfer rate multiplied by a second function of at least a first congestion indicator.

REFERENCES:
patent: 5090011 (1992-02-01), Fukuta et al.
patent: 5400329 (1995-03-01), Tokura et al.
patent: 5457687 (1995-10-01), Newman
patent: 5701292 (1997-12-01), Chiussi et al.

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