System and method for managing unknown flows in a flow-based switching device
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United States of America Patent
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Jan 31, 2017
Grant Date -
Aug 29, 2013
app pub date -
Aug 28, 2012
filing date -
Feb 29, 2012
priority date (Note) -
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Abstract
A network switching device includes a macroflow sub-plane that performs packet-based routing in the network switching device and a microflow routing module that performs flow-based routing in the network switching device. The microflow routing module is separable from the network switching device and operates to provide a data packet via a software defined network agent to an SDN controller. The data packet is associated with a first unknown flow on the network switching device. The microflow routing module further operates to receive via the SDN agent a flow-based routing rule from the SDN controller and route the data packet based upon the flow-based routing rule.
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