Multiplex communications – Data flow congestion prevention or control – Control of data admission to the network
Patent
1997-03-20
1999-11-02
Patel, Ajit
Multiplex communications
Data flow congestion prevention or control
Control of data admission to the network
370395, 370474, H04J 314
Patent
active
059783559
ABSTRACT:
When an ATM cell is re-assembled, in order to accommodate fluctuation of delay of arriving ATM cells, the ATM cells are sequentially written in and read out from a re-assembling queue buffer in a first-in first-out manner. A storage depth of the buffer is automatically adjusted so that a delay of the ATM cells becomes minimum. After initializing a storage depth of the buffer, reading out of the ATM cells from the buffer is initiated when the cells are accumulated up to the intermediate depth of the initialized storage depth. Then, overflow or underflow within the predetermined period is monitored by a training control portion. When the overflow or underflow is detected, the storage depth is increased by a predetermined amount and then the ATM cells are again accumulated and read out with monitoring overflow and underflow. The above mentioned process is repeated until the overflow and underflow are not detected. By this, the storage depth of the buffer can be optimized.
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NEC Corporation
Nguyen Brian D
Patel Ajit
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