Multicast Scheduling For List Requests

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Executive Summary

Advances in wireless and optical communication, as well as in Internet multicast protocols, make broadcast and multicast methods an effective solution to disseminate data. In particular, repetitive server-initiated broadcast is an effective technique in wireless systems and is a scalable solution to relieve Internet hot spots. A critical issue for the performance of multicast data dissemination is the multicast schedule. Previous work focused on a model where each data item is requested by clients with a certain probability that is independent of past accesses. In this paper, it is considered the more complex scenario where a client accesses pages in blocks. This paper concludes that scheduling for multi-item requests is a critical factor for the performance of repetitive broadcast.

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