Congestion avoidance in multipath routed flows using virtual output queue statistics
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United States of America Patent
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Sep 4, 2018
Grant Date -
N/A
app pub date -
Aug 9, 2016
filing date -
Aug 9, 2016
priority date (Note) -
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Abstract
Disclosed are techniques regarding interfaces, each configured to output network packets. The techniques can regard a memory for storing multipath groups, virtual output queues, and a histogram table for storing statistical information associated with network packets to be output by interfaces. The techniques can include generating a shared-interface list including a member that represents a union of interfaces of at least some of the multipath groups, wherein the multipath groups of the member share at least one of the interfaces. The techniques can include associating the histogram table with the member. The techniques can include collecting the statistical information pertaining to network packets indicated by information stored in one of the virtual output queues, populating the histogram table with the statistical information, and determining that one of the interfaces is congested based on the statistical information.
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