ATM switch capable of detecting addressing errors

Details ATM switch capable of detecting addressing errors ATM switch capable of detecting addressing errors

1997-08-15

2000-03-07

Horabik, Michael

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

370395, 370375, 370376, 370389, 395425, H04L 1228, H04L 1256, G06F 1200

Patent

active

06034959&

ABSTRACT:
An ATM switch includes a multi-destination delivery number counter. The counter stores a multi-destination delivery number of each inputted cell according to destination information in the cell correlating the multi-destination delivery number with an idle address where the cell is stored, on every writing of a cell into an idle address of the shared buffer, and decrements the multi-destination delivery number of the cell on every reading of the cell from the shared buffer. The multi-destination delivery numbers of the cells are utilized for management of switching output of the cells from the shared buffer. The multi-destination delivery number counter detects addressing errors to the shared buffer according to the multi-destination delivery numbers, on every inputting or outputting of the cells. According to the ATM switch, both miniaturization of circuit scale of the ATM switch and improvement of reliability of the ATM switch are made possible.

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patent: 5535366 (1996-07-01), Pfeiffer et al.
patent: 5590278 (1996-12-01), Barthel et al.
patent: 5825767 (1998-10-01), Mizukoshi et al.

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