Network element of a software-defined network
Abstract:
A network element of a software-defined network includes a processing system for maintaining a control system for managing data. The control system is maintained in accordance with configuration data received from a controller of the software-defined network. In a case where the control system has no entry corresponding to frame information related to a received data frame, the processing system checks whether status information indicates availability of the frame information to the controller. If the status information does not indicate the availability, the processor system arranges the frame information to be available to the controller and updates the status information to indicate the availability. Thus, data traffic related to data-driven learning and occurring between the network element and the controller can be reduced with the aid of the above-mentioned status information.
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