| Project/Area Number |
15K00126
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Information network
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| Research Institution | Nara Institute of Science and Technology |
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Principal Investigator |
SASABE Masahiro 奈良先端科学技術大学院大学, 情報科学研究科, 准教授 (10379109)
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2017: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Keywords | P2Pコンテンツ配信 / Tit-for-Tat戦略 / 整数線形計画問題 / 最適なピースフロー / 間接的制御 / P2Pストリーミング / Tit-for-tat戦略 / P2Pネットワーク / コンテンツ配信 / ゲーム理論 / 組合せ最適化 / 最適化 |
|---|
| Outline of Final Research Achievements |
In peer-to-peer (P2P) content distribution, users' nodes, called peers, send received fragments of the original file, i.e., pieces, to others, which can alleviate the server's load. Tit-for-tat (TFT) strategy in game theory can encourage cooperation among peers, i.e., each peer has to provide fragments of the original file, called pieces, to others so as to retrieve its demanding pieces from them. In this study, we reveal that the server's indirect control of P2P content distribution can be achieved by the combination of server's piece sending strategy and TFT constraint among peers.
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