Packet switch for switching variable length packets in the form of ATM cells
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United States of America Patent
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Jun 14, 2005
Grant Date -
N/A
app pub date -
Mar 5, 1999
filing date -
Nov 12, 1998
priority date (Note) -
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Abstract
A packet switch which includes input line interfaces for converting variable length packets received from input lines to fixed length cells, a switch unit for switching said packets in cell units, output line interfaces for converting output cells from the switching unit to variable length packets and transmitting the variable length packets over output lines. Each of the input line interfaces has a cell output controller for queuing the fixed length cells for each output line according to the degree of priority of the cells, and for selectively outputting the stored cells in the queues in order of priority, thereby to suppress the transmission of cells with a low priority during the times of congestion.
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