Traditional file servers are not designed to support the storage and retrieval of "continuous media" data such as video and audio. Such data must be stored and retrieved at certain guaranteed rates. Recent advances in compression techniques, broadband networking, and server technologies, have led to considerable interest in the design and development of multimedia servers that can support continuous media applications such as video-on-demand, as well as conventional applications. Of particular interest initially in this project is the design and performance evaluation of request scheduling algorithms for video-on-demand servers. Sufficient hardware as well as careful data layout, disk scheduling and buffer management in such systems, provide the capability to serve multiple streams simultaneously. The goal of request scheduling is to allocate the available channels among incoming requests so as to yield low waiting times and/or customer loss rates. This project is currently in collaboration with researchers at the University of Wisconsin.
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