Flow based congestion control
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United States of America Patent
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Sep 20, 2011
Grant Date -
Jul 15, 2010
app pub date -
Mar 23, 2010
filing date -
Jul 23, 2001
priority date (Note) -
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Abstract
A method for selectively controlling the flow of data through a network device is discussed. The network device has a plurality of ports, with each port of the plurality of ports having a plurality of priority queues. Congestion at one priority queue of the plurality of priority queues is detected and a virtual channel message is sent to other network devices connected to the network device causing data destined for the one priority queue to be halted. After the congestion at the one priority queue has abated, a virtual channel resume message is sent to the other network devices.
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