Analysis of Packet Size on VOIP Performance. - Kangbin Yim; Younkwang Jung; Panan Choi; Youngu Kang; Kyunghee Choi; Kinkyun Jung (International Conference on Internet Computing, 2002)

Accelerating firewall through intelligent self-learning. - Jongwook Moon; Junku Park; Gihyun Jung; Panan Choi; Youngu Kang; Kyunghee Choi; Sanguk Noh (SMC, 2003)