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Exposing and eliminating vulnerabilities to denial of service attacks in secure gossip-based multicast

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3 Author(s)
Badishi, G. ; Dept. of Electr. Eng., Technion-Israel Inst. of Technol., Haifa, Israel ; Keidar, I. ; Sasson, A.

We propose a framework and methodology for quantifying the effect of denial of service (DoS) attacks on a distributed system. We present a systematic study of the resistance of gossip-based multicast protocols to DoS attacks. We show that even distributed and randomized gossip-based protocols, which eliminate single points of failure, do not necessarily eliminate vulnerabilities to DoS attacks. We propose Drum - a simple gossip-based multicast protocol that eliminates such vulnerabilities. Drum was implemented in Java and tested on a large cluster. We show, using closed-form mathematical analysis, simulations, and empirical tests, that Drum survives severe DoS attacks.

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Dependable and Secure Computing, IEEE Transactions on  (Volume:3 ,  Issue: 1 )