Input/output buffer type ATM switch

Details Input/output buffer type ATM switch Input/output buffer type ATM switch

1996-04-16

1998-06-30

Hsu, Alpus H.

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

370398, 370414, H04L 1256

Patent

active

057744530

ABSTRACT:
The input/output buffer type ATM switch capable of traffic control depending on the traffic type at the time of cell congestion is provided. There are provided an input buffer memory and an output buffer memory for storing cells at each of a plurality of input ports and a plurality of output ports. Each of the input buffer memories is provided with queues corresponding to each of the output ports, logically independent for traffic types and sharing a memory area. Each of the output buffer memories is provided with queues logically independent for traffic types and sharing a memory area, and outputs an overflow signal corresponding to a remaining memory capacity against each of the input buffer memories. Cell transmission from the input buffer memories is controled in response to a remaining memory capacity and the traffic type indicated by the overflow signal.

REFERENCES:
patent: 5457687 (1995-10-01), Newman
patent: 5463620 (1995-10-01), Sriram
patent: 5535197 (1996-07-01), Cotton
patent: 5550823 (1996-08-01), Irie et al.
patent: 5570348 (1996-10-01), Holden

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