Architectural support for online multimedia services

Our vision is an environment that allows (ordinary) PC-clients to profit from a rich collection of multimedia programs such as selected TV channels, video on demand, teleported lectures etc. In this article, we present the design and implementation of a corresponding local infrastructure both from a hardand software perspective. Innovation highlights are (a) a switch-based network with guaranteed transmission bandwidth for audio/video streams, built-in multicast support and globally accessible display frame buffers, (b) a system for the integrated display of remotely generated video streams at the client site and (c) a central server for the management of the available multimedia programs.

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