군집분석을 사용한 효율적인 DDoS 공격 탐지 방법

DDoS(Distributed Denial of Service) attack can easily exhaust the computing and communication resources of its victim within short period of time and it deteriorates performance of whole network as well as interrupts communication of an specific host. This paper analyzes network traffic using statistical method and presents a method of effective detection of DDoS attack by observing change of source IP address, destination IP address, source port, destination port, the type of packets, the number of packets.