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Saluki: a High-Performance Wi-Fi Sniffing Program

Abstract : Building a campus-wide wireless LAN measurement system faces many efficiency, scalability and security challenges. To address these challenges, we developed a distributed Wi-Fi sniffing program called Saluki. Compared to our previous implementation and to other available sniffing programs, Saluki has the following advantages: (1) its small footprint makes it suitable for a resource-constrained Linux platform, such as those in commercial Wi-Fi access points; (2) the frame-capture rate increased more than three-fold over tcpdump with minimal frame loss; (3) all traffic between this sniffer and the back-end server was secured using 128-bit encryption; and (4) the traffic load on the backbone network was reduced to only 30% of that in our previous implementation. In this paper, we introduce the design and the implementation details of this high-performance sniffing program, along with preliminary evaluation results.
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https://hal.inria.fr/inria-00498488
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Submitted on : Wednesday, July 7, 2010 - 3:47:41 PM
Last modification on : Thursday, November 23, 2017 - 3:34:02 PM
Long-term archiving on: : Friday, October 8, 2010 - 9:40:20 AM

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Keren Tan, David Kotz. Saluki: a High-Performance Wi-Fi Sniffing Program. WiOpt'10: Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks, May 2010, Avignon, France. pp.533-538. ⟨inria-00498488⟩

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