Detection Mechanisms of DDoS Attack in Cloud Computing Environment: A Survey

Distributed Denial of Service (DDoS) attack is considered as one of the major security threats to the cloud computing environment. This attack hampers the adoption and deployment of cloud computing. DDoS Attack is an explicit attempt by an attacker to prevent and deny access to shared services or resources on a server in a cloud environment by legitimate users of cloud computing. This kind of attack targets victim servers by sending massive volumes of traffic from multiple sources to consume all the victim server resources. This paper discussed various defense mechanisms for defending DDoS. The main objective of this paper is to evaluate different mechanisms that help to defend DDoS attacks. This paper highlights the importance of statistical anomaly-based approaches in detecting DDoS attacks.