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Recent events show that distributed denial-of-service (DDoS) attack imposes great threat to availability of Internet services. In this paper, we study and evaluate DDoS attacks in a random flow network model, a novel and general approach to DDoS attack prevention and tolerance. The model can be used to evaluate the effectiveness of a DDoS countermeasure framework. Following the random flow network model and state-of-art Internet topology and traffic models, our simulation reveals that general relationship among several metrics derived from the model. Based on the simulation results, we suggest to build a more complete and effective DDoS countermeasure framework using complementary solutions to achieve DDoS attack detection, prevention, and tolerance at same time.
Communications, 2003. ICC '03. IEEE International Conference on (Volume:1 )
Date of Conference: 11-15 May 2003