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Mobile Multimedia Group Conferencing - Enriching H.264-based Video by Mobile Source Specific Multicast Communication

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5 Author(s)

In this paper we report on a multimedia communication software with a distributed architecture and its applications. It is a simple, ready-to-use scheme for distributed presenting, recording and streaming multimedia content over unicast or multicast networks. Dedicated end-to-end bandwidth management optimizes its network resource consumption. Additionally we report on group communications schemes for future applications within mobile networks. We present straightforward extensions to session signalling and source specific multicast routing for transforming (morphing) previous delivery trees into optimal trees rooted at a relocated source. This extension scheme only requires basic signalling mechanisms, explicit joins and prunes, which are present in current multicast routing protocols such as PIM-SM. First evaluations grounded on real-world Internet topologies indicate network performance superior to traditional distribution schemes

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Consumer Electronics, 2006. ISCE '06. 2006 IEEE Tenth International Symposium on

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