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The adaptation of the BitTorrent protocol to multimedia on-demand streaming systems essentially lies on ...
The adaptation of the BitTorrent protocol to multimedia on-demand streaming systems essentially lies on
the modification of its two core algorithms, namely the piece and the peer selection policies, respectively.
Much more attention has though been given to the piece selection policy. Within this context, this article
proposes three novel peer selection policies for the design of BitTorrent-like protocols targeted at that type
of systems: Select Balanced Neighbour Policy (SBNP), Select Regular Neighbour Policy (SRNP), and
Select Optimistic Neighbour Policy (SONP). These proposals are validated through a competitive analysis
based on simulations which encompass a variety of multimedia scenarios, defined in function of important
characterization parameters such as content type, content size, and client´s interactivity profile. Service
time, number of clients served and efficiency retrieving coefficient are the performance metrics assessed in
the analysis. The final results mainly show that the novel proposals constitute scalable solutions that may
be considered for real project designs. Lastly, future work is included in the conclusion of this paper.
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