The diagnosis of DDoS attack and a novel approach to optimizing control

With the rapid development of the Internet, network security is a concern for more and more people. DDoS (Distributed Denial of Service) attack, one of the most serious hacking methods, is causing more and more economical loss. This paper focuses on the diagnosis of DDoS and provides an effective countermeasure based on control theory. From the angle of control theory, this novel control strategy can guarantee the stability of the network and counteract the DDoS attack effectively. The paper addresses the equity of this control algorithm