COMMUNICATION SYSTEM, COMMUNICATION DEVICE, CONTROLLER, AND METHOD AND PROGRAM FOR CONTROLLING FORWARDING PATH OF PACKET FLOW

摘要

A communication apparatus for controlling a received packet includes a memory configured to store program instructions, and a processor configured to execute the program instructions to select, whether the received packet is controlled with one of the communication apparatus or an external control apparatus, based on an input port of the received packet, send a notice of detecting a new packet flow to the external control apparatus when the processor selects to control the received packet with the external control apparatus, and set a processing rule for processing the received packet to the communication apparatus when the processor selects to control the received packet with the communication apparatus.