Credit-based scheme for high performance communication between devices in a packet-based communication system
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United States of America Patent
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Aug 27, 2002
Grant Date -
N/A
app pub date -
Feb 22, 1999
filing date -
Nov 17, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A network switch comprises a first device which includes a store for data packets, a second device which includes a plurality of ports from which the packets may be transmitted, a plurality of temporary stores each associated with one of the ports, a data bus connecting the first device to the second device, a unit for maintaining a count of units of storage space in respect of each of the ports, a unit for incrementing the respective count on transmission of data from one of the stores, and a unit for decrementing the count in response to dispatch of data from the temporary store in the first device to the second device.
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