Congestion abatement in a network interconnect
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United States of America Patent
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Nov 8, 2016
Grant Date -
Jun 25, 2015
app pub date -
Feb 3, 2015
filing date -
Mar 9, 2011
priority date (Note) -
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Abstract
A method and system for detecting congestion in a network of nodes, abating the network congestion, and identifying the cause of the network congestion is provided. A congestion detection system may comprise a detection system, an abatement system, and a causation system. The detection system monitors the performance of network components such as the network interface controllers and tiles of routers to determine whether the network is congested such that a delay in delivering packets becomes unacceptable. Upon detecting that the network is congested, an abatement system abates the congestion by limiting the rate at which packets are injected into the network from the nodes. Upon detecting that the network is congested, a causation system may identify the job that is executing on a node that is the cause of the network congestion.
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