Scheduling policies for an on-demand video server with batching
MULTIMEDIA '94 Proceedings of the second ACM international conference on Multimedia
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Batch scheduling for demand-driven servers in wireless environments
Information Sciences: an International Journal
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Proceedings of the 2010 ACM Symposium on Applied Computing
On-demand broadcast for multiple-item requests in a multiple-channel environment
Information Sciences: an International Journal
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DASFAA'11 Proceedings of the 16th international conference on Database systems for advanced applications
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The Journal of Supercomputing
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Videotex is a system which provides users with low-cost real-time access to information. In such a system, user requests are forwarded to a service computer where the desired information is retrieved and sent back to the user. In this study, we investigate the response time behavior of a videotex system where information requested by one user is broadcast to all users. A novel queueing model for broadcast delivery is developed. Using this model, we first obtain an analytic expression for the mean response time, and then we develop an efficient algorithm for its computation. Numerical results illustrating the performance characteristics of broadcast delivery are presented.