DDoS mitigation in non-cooperative environments

  • Authors:
  • Guanhua Yan;Stephan Eidenbenz

  • Affiliations:
  • Information Sciences, CCS-3, Los Alamos National Laboratory, Los Alamos, NM;Information Sciences, CCS-3, Los Alamos National Laboratory, Los Alamos, NM

  • Venue:
  • NETWORKING'08 Proceedings of the 7th international IFIP-TC6 networking conference on AdHoc and sensor networks, wireless networks, next generation internet
  • Year:
  • 2008

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Abstract

Distributed denial of service (DDoS) attacks have plagued the Internet for many years. We propose a system to defend against DDoS attacks in a non-cooperative environment, where upstream intermediate networks need to be given an economic incentive in order for them to cooperate in the attack mitigation. Lack of such incentives is a root cause for the rare deployment of distributed DDoS mitigation schemes. Our system is based on game-theoretic principles that provably provide incentives to each participating AS (Autonomous Systems) to report its true defense costs to the victim, which computes and compensates the most cost-efficient (yet still effective) set of defenders ASs. We also present simulation results with real AS-level topologies to demonstrate the economic feasibility of our approach.