An effective defense mechanism against DoS/DDoS attacks in flow-based routers. - PyungKoo Park; HeeKyoung Yi; Sangjin Hong; Jaecheol Ryou 001 (MoMM, 2010)

DDoS Detection Algorithm Using the Bidirectional Session. - HeeKyoung Yi; PyungKoo Park; Seungwook Min; JaeCheol Ryou 001 (CN, 2011)