FPGA-based SDN network flow measurement system and method
A technology of network traffic and measurement system, which is applied in the field of real-time measurement of FPGA-based SDN network traffic, can solve the problems of low measurement efficiency and accuracy, achieve the effects of eliminating the impact of processing capacity, reducing burden and overhead, and improving efficiency
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[0055] Below in conjunction with accompanying drawing and specific embodiment, the present invention is described in further detail:
[0056] refer to figure 1 : The FPGA-based SDN network traffic measurement system includes a controller, a switch group, and a flow real-time measurement module based on an FPGA platform.
[0057] The controller is the core component of the SDN network and is located at the control layer of the network. Its main function is to construct measurement flow tables and measurement flow data packets, and manage its own traffic and the traffic of switches.
[0058] The switch group, including the source switch connected in series, multiple intermediate switches, and the destination switch, is located at the data forwarding layer of the network, and each switch supports the Open Flow protocol. The flow measurement data packet sent by the controller is forwarded after identification and matching, multiple intermediate switches are used to realize the fo...
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