Multiplex communications – Wide area network – Packet switching
Patent
1991-01-18
1992-11-17
Shaw, Dale M.
Multiplex communications
Wide area network
Packet switching
370 8513, 370 601, 3642397, 3642601, 36494062, 36494206, G06F 1114, H04J 300
Patent
active
051650215
ABSTRACT:
An apparatus for managing transfer of a packet of information to one of a plurality of ports with each the port having an associated port speed includes a double linked list transmit queue and a plurality of port queues corresponding to the plurality of ports. The packet is read to determine a priority and destination port of the packet. A loadsheding value correlating to the packet's destination port and priority is determined and compared with a measure of the amount of free space in the transmit queue. The packet is loaded into the transmit queue if the loadsheding value is less than or equal to the measure of the amount of free space in the transmit queue. The packet is discarded in the event the loadsheding value is greater than the measure of the amount of free space in the transmit queue.
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Bentley Jeffrey B.
Wu Li-Ran
Hauser Robert S.
Miller Jerry A.
Newton William A.
Racal-Datacom, Inc.
Shaw Dale M.
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