Title	Decentralized Trust in Distributed Networks: a Delegate-based Security Hardening Approach
Author	Jabeom Gu, Jaehoon Nah, Jongsoo Jang
Citation	Vol. 7  No. 10  pp. 265-272
Keywords	Peer-to-peer, security, identifier authentication, unmanaged net-works, security hardening

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