In the contemporary digital world, protecting cyber space from adversaries is to be given paramount importance. In fact, protecting systems from cyber-attacks became a challenging task. Especially Distributed Denial of Service (DDoS) attack is the attack used to deny service being rendered by a network or server. It is a large scale attack which causes server interruption in a big way. In such attacks several hundreds of compromised nodes may participate simultaneously with malicious attack agents installed. Often botnets are used by adversaries to launch such attacks. There is coordinated effort of large number of systems that are controlled by the attacker. With this attack in place, the victim or server is overwhelmed with floods of requests that lead to denial of service. There have been many kinds of solutions found in the literature. However, of late, there is increasing research on the path identification which results in a path id that is considered to be an inter-domain object for routing purposes. The path identifiers are to be very dynamic thus preventing launch of DDoS attacks. In this paper we proposed a novel algorithm that makes the path identifiers so dynamic in such a way that DDoS attacks will never become successful. The network is managed in such a way that the dynamic path identifiers are negotiated as routing objects among the domains exist in the network. A custom simulator is built using Java programming language to evaluate the proposed algorithm. The empirical results revealed that the proposed system outperforms the existing.
Distributed Denial of Service (DDoS) Attack, Security, Dynamic path based approach
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