Switching system for switching cells having error detection appa

Details Switching system for switching cells having error detection appa Switching system for switching cells having error detection appa

1990-02-20

1992-06-23

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 60, H04Q 1104

Patent

active

051249774

ABSTRACT:
A switching system for handling a plurality of cells, each cell including a header section and a data section, and for exchanging a communication message contained in the data section of the cell between a plurality of incoming highways and a plurality of outgoing highways according to the data contained in the header section of the cell. The switching system includes a unit for multiplexing the incoming highways in time division, a first memory having addressable storage locations for storing cells received from the multiplexing unit, a unit for demultiplexing and distributing data output from the first memory among a plurality of outgoing highways, a second memory for storing an empty address of an empty storage location of the first memory, a unit for controlling the write and read operations of the first memory in accordance with an empty address stored in the second memory used as write and read addresses, and a unit for detecting an error in at least one of the write address and read address.

REFERENCES:
patent: 4249253 (1981-02-01), Gentili et al.
patent: 4408326 (1983-10-01), Takeuchi et al.
patent: 4617660 (1988-10-01), Sakamoto
patent: 4771419 (1988-09-01), Graves et al.
patent: 4910731 (1990-03-01), Sakurai
patent: 4956839 (1990-09-01), Torii et al.

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