ATM cell assembly and disassembly device with enhanced data hand

Details ATM cell assembly and disassembly device with enhanced data hand ATM cell assembly and disassembly device with enhanced data hand

1993-10-04

1996-07-30

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 99, H04L 1256

Patent

active

055419267

ABSTRACT:
An ATM cell assembly and disassembly device capable of flexibly dealing with various data speeds on STM and ATM sides, and preventing the buffer overflow. In the ATM cell assembly device, the data stored in the buffer are outputted when an amount of the stored data becomes not less than a prescribed data amount sufficient for loading a payload section of each ATM cell, and the ATM cell flow is obtained from the ATM cells assembled from the data outputted from the buffer and empty cells. The buffer can be allowed to output the stored data only when the output permission signal issued in accordance with usage parameter control (UPC) parameters determined at a time of call set up is received. In the ATM cell disassembly device, the output data are stored into the buffer when a currently remaining capacity of the buffer becomes not less than an amount of data loaded in a payload section of each ATM cell, and the STM signals are obtained from the output data outputted from the buffer.

REFERENCES:
patent: 5237569 (1993-08-01), Sekihata et al.
patent: 5270811 (1993-12-01), Ishibashi et al.
patent: 5311513 (1994-05-01), Ahmadi et al.
patent: 5313454 (1994-05-01), Bustini et al.
patent: 5327421 (1994-07-01), Hiller et al.
patent: 5341376 (1994-08-01), Yamashita
patent: 5375121 (1994-12-01), Nishino et al.
patent: 5379293 (1995-01-01), Kanno et al.
patent: 5392280 (1995-02-01), Zheng

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