Selective cell discard system in ATM switch

Multiplex communications – Data flow congestion prevention or control – Flow control of data transmission through a network

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Details

370395, 370413, G01R 3108, H04L 1228

Patent

active

061635286

ABSTRACT:
Disclosed is a selective cell discard system in an ATM switch to transfer exchanging a cell input from a plurality of input ports to a plurality of output ports, for controlling the selective cell discard to guarantee QOS (quality of service) by controlling the order of cell discard or the read-out order of cells accumulated in cell buffer when a plenty of cells exceeding the exchange capability of the switch is input, the system having: a selective cell discard controller connected to each of the plurality of input ports; a first-stage switch unit comprising all of cell buffers for output port group provided corresponding to output port groups into which the plurality of output ports are divided, and a cell multiplexer which inputs exchanging all of cells to be input from the plurality of input ports through the selective cell discard controller according to routing information of concerned cells; a groups of second-stage switch units which are provided corresponding to each of the cell buffers for output port group and input exchanging a cell in a concerned cell buffer for output port group to any of cell buffers for output port provided corresponding to output ports belonging to a concerned output port group; and means for detecting a congestion in the cell buffer for output port group, and discard-controlling a cell to be input to the concerned cell buffer for output port group in the selective cell discard controller.

REFERENCES:
patent: 5276684 (1994-01-01), Pearson
patent: 5323399 (1994-06-01), Kurano
patent: 5528587 (1996-06-01), Galand et al.
patent: 5602841 (1997-02-01), Lebizay et al.
patent: 5732085 (1998-03-01), Kim et al.
patent: 5758089 (1998-05-01), Gentry et al.
patent: 5764641 (1998-06-01), Lin
patent: 5774453 (1998-06-01), Fukano et al.
patent: 5787072 (1998-07-01), Shimojo et al.

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