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The problem of low penetration of multicast and QoS enabling mechanisms in IP networks, overlay network techniques are used that avoid undue duplication of multimedia streaming flows while trans-coding or scalable encoding can be used for graceful adaptation of the stream to the capabilities of access systems. The idea described in this paper is based on a flexible network independent platform which can be easily deployed through the use of personal computers. It employs overlay network solutions for setting up the media distribution scheme, independently from the underlying network.
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