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Improving Content Availability by Request-Adaptive Incentive in Private Peer-to-Peer Communities

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Executive Summary

Recently, BitTorrent (BT) communities are rapidly evolving towards Private Torrent (PT) sites. The efficiency of such content sharing system depends on how well it can satisfy the requirements of users. The traditional way to improve usability is to make users extend their seeding duration by incentives like Share Ratio Enforcement (SRE). However, the authors' measurement based studies show its inefficiency in meeting various download requests from users. For example, some available contents have not been requested for long and some requests are not available, recognized as the "Available but no request" and "Request but not available" problems respectively.

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