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Throttling Attackers in Peer-to-Peer Media Streaming Systems

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Title: Throttling Attackers in Peer-to-Peer Media Streaming Systems
Author(s): Conner, William G.; Nahrstedt, Klara
Subject(s): Peer-to-Peer Systems computer security
Abstract: We present a flexible framework for throttling attackers in peer-to-peer media streaming systems. In such systems, selfish nodes (e.g., free riders) and malicious nodes (e.g., DoS attackers) can overwhelm the system by issuing too many requests in a short interval of time. Since peer-to-peer systems are decentralized, it is difficult for individual peers to limit the aggregate download bandwidth consumed by other remote peers. This could potentially allow selfish and malicious peers to exhaust the system's available upload bandwidth. Our framework provides a solution to this problem by utilizing a subset of trusted peers (called kantoku nodes) that collectively monitor the bandwidth usage of untrusted peers in the system and throttle attackers. We evaluate our framework through simulation.
Issue Date: 2007-03
Genre: Technical Report
Type: Text
URI: http://hdl.handle.net/2142/11300
Other Identifier(s): UIUCDCS-R-2007-2826
Rights Information: You are granted permission for the non-commercial reproduction, distribution, display, and performance of this technical report in any format, BUT this permission is only for a period of 45 (forty-five) days from the most recent time that you verified that this technical report is still available from the University of Illinois at Urbana-Champaign Computer Science Department under terms that include this permission. All other rights are reserved by the author(s).
Date Available in IDEALS: 2009-04-21
 

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