ATM cell transmit priority allocator
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United States of America Patent
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Dec 7, 1999
Grant Date -
N/A
app pub date -
Jun 23, 1997
filing date -
Jun 27, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of controlling the supply of cells into an asynchronous network, comprises the steps of storing incoming bytes from multiple channels in respective channel buffers, creating in memory a timing event wheel partitioned into a plurality of sectors, of which one is active at any time, and placing cell pointers in the sectors. The cell pointers identify channel buffers and are distributed around the wheel in accordance with a desired transmission schedule. The wheel is stepwise advanced at a predetermined rate, and the cell pointers in the active sector are scanned at each advance of the wheel to identify the corresponding channel buffers. The bytes from the identified channel buffers are assembled into cells, which are forwarded for transmission over the asynchronous network. These are then multiplexed with VBR cells from another source.
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