Exposing and Eliminating Vulnerabilities to Denial of Service Attacks in Secure Gossip-Based Multicast

  • Authors:
  • Gal Badishi;Idit Keidar;Amir Sasson

  • Affiliations:
  • Technion;Technion;Technion

  • Venue:
  • DSN '04 Proceedings of the 2004 International Conference on Dependable Systems and Networks
  • Year:
  • 2004

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Abstract

We propose a framework and methodology for quantifyingthe effect of denial of service (DoS) attacks on a distributedsystem. We present a systematic study of the resistanceof gossip-based multicast protocols to DoS attacks.We show that even distributed and randomized gossip-basedprotocols, which eliminate single points of failure, do notnecessarily eliminate vulnerabilities to DoS attacks. Wepropose Drum - a simple gossip-based multicast protocolthat eliminates such vulnerabilities. Drum was implementedin Java and tested on a large cluster. We show,using closed-form mathematical analysis, simulations, andempirical tests, that Drum survives severe DoS attacks.