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Real-time detection of changes in network with OpenFlow based on NetFPGA implementation |
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| Authors: | Yu-Kuen Lai Chun-Chieh Lee Bo-Hsun Huang Theophilus Wellem Nan-Cheng Wang Tze-Yu Chou Hargyo Tri Nugroho |
| Affiliation: | 1. CNSRL, Department of Electrical Engineering, Chung-Yuan Christian University, Chung-Li 32023, Taiwan;2. Multimedia Nusantara University, Tangerang 15810, Indonesia;3. Department of Electronic and Computer Engineering, Satya Wacana Christian University, Salatiga, Indonesia |
| Abstract: | Sketch-based algorithms are extensively applied in a wide range of networking applications. This work develops the compact implementation of a system for detecting changes in traffic in real time with OpenFlow on a NetFPGA 1G (4 × 1G) platform. The system can monitor network traffic at a line rate of up to 4 Gbps with the required detection accuracy needed with limited memory on-board. The system utilizes a one-pass method to determine when the flow exceeds a predefined threshold. Based on the flow IDs identified, actions are issued immediately to switches to respond properly according to the OpenFlow protocol. |
| Keywords: | FPGA NetFPGA OpenFlow protocol Network change detection Data stream |
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