Real-time detection of changes in network with OpenFlow based on NetFPGA implementation

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...

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Bibliographic Details
Published in:Microprocessors and microsystems 2014-07, Vol.38 (5), p.431-442
Main Authors: Lai, Yu-Kuen, Lee, Chun-Chieh, Huang, Bo-Hsun, Wellem, Theophilus, Wang, Nan-Cheng, Chou, Tze-Yu, Nugroho, Hargyo Tri
Format: Article
Language:English
Subjects:
Data stream
FPGA
Microprocessors
Monitors
NetFPGA
Network change detection
Networks
OpenFlow protocol
Real time
Switches
Switching theory
Traffic engineering
Traffic flow
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Summary: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 4Gbps 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.
ISSN:0141-9331
1872-9436
DOI:10.1016/j.micpro.2014.04.005