Deferred queuing in a buffered switch
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United States of America Patent
Stats
-
Aug 21, 2007
Grant Date -
Jun 19, 2003
app pub date -
Dec 19, 2001
filing date -
Dec 19, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method and apparatus for temporarily deferring transmission of packets/frames to a destination port in a buffered switch is disclosed. When a request for transmission of at least one packet/frame to the destination port is received, it is determined whether the destination port is available to receive the at least one packet/frame. The transmission of the at least one packet/frame is deferred when the destination port is not available to receive the at least one packet/frame. The packet/frame identifier and memory location for each deferred packet/frame is stored in a deferred queue and the process then repeats for the next packet/frame. Periodically, the apparatus attempts to transmit the packets/frames in the deferred queue to their respective destination ports.
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