| 摘要 |
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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