Optimal Policies for Control of Peers in Online Multimedia Services

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Executive Summary

In this paper, the authors consider a distributed peer-based system with a centralized controller responsible for managing the peers. For this system customers request large volumes of information such as video clips which instead of retrieving from a centralized repository of a parent organization are obtained from peers that possess the clips. Peers act as servers only for a short duration and therefore the parent organization (i.e., centralized controller) would need to add new peer servers from time to time. This centralized "Admission" control of deciding whether or not to admit a customer with a video clip as a peer based on the system state (number of waiting requests and number of existing peers) is the crux of this research.

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