Jaehyung Park received his B.S. in computer science from Yonsei University, Korea, in 1991, and his M.S. and Ph.D. in computer science from Korea Advanced Institute of Science and Technology (KAIST), Korea, in 1993 and 1997, respectively. From 1998 to 2002, he was with the Network Laboratory in ETRI. Since 2002, he has been with the faculty of Chonnam National University, Korea, where he is currently a professor with the Dept. of Computer Engineering. His research interests are Network Security, Multicast Routing, Internet Protocols, and Wireless/Vehicular Networks.