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Recently, there is the attempt to use overlay-based multicast, such as P2P, to distribute streaming media data for reducing network load and management cost. But there exist many security threats about overlay-based media multicast mechanism. In this paper we analyze the security threats of overlay-based multicast mechanism, and we propose the security solutions against it. In this mechanism, we introduce the trust anchor(TA) and trust rendezvous point(RP) to the SCRIBE based overlay multicast mechanism for secure multicast IPTV streaming.
Date of Conference: June 30 2009-July 2 2009