Title	An Efficient Flow Analysis Scheme for Identifying Various Applications in IP-based Networks
Author	Yong-Hyuk Moon, Jae-Hoon Nah
Citation	Vol. 8  No. 12  pp. 168-175
Keywords	Network application Identification, flow detection, flow analysis, network security

Title	Key Management for Overlay-based IPTV Content Delivery
Author	Jabeom Gu, Jaehoon Nah
Citation	Vol. 8  No. 12  pp. 161-167
Keywords	Overlay-based content delivery, IPTV security, group key management

Title	An Adaptive Transcoding Method for H.264 Video Coding
Author	Soon-kak Kwon, Seong-woo kim, Jung-hwa Lee, Jong-min Lee
Citation	Vol. 8  No. 12  pp. 154-160
Keywords	Transcoding, Bitstream conversion, Bitrate control, Quantization step-size

Title	Context Repository Architecture for Smart Collaborative Environment
Author	S M Faisal, Mohammad Rezwanul Huq, A. S. M. Ashique Mahmood
Citation	Vol. 8  No. 12  pp. 146-153
Keywords	Context, Repository, Smart sensors, Smart Objects, Collaborative Environment