DDoS mitigation in content distribution networks

Authors:
Dongqi Wang;Dongming Chen;Rui Guo
Affiliations:
College of Software, Northeastern University, Shenyang 110819, China;College of Software, Northeastern University, Shenyang 110819, China;Department of Network Crime Detection, China Criminal Police University, Shenyang, China
Venue:
International Journal of Wireless and Mobile Computing
Year:
2013

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Abstract

In this paper, we built up a simulated environment to research the performances of Content Distribution Networks CDN under DDoS attack. In order to research how to enhance CDN's ability of resisting DDoS attacks, a mathematical model of websites deployment was built. Based on the mathematical model, we proposed a website deploying algorithm SD algorithm which can be used by CDN service providers to make website deployment plans. Experimental results showed that deploying websites under the guidance of SD algorithm can significantly reduce the pressure of servers during DDoS attacks.