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1 Master's Thesis / 修 士 論 文 映 像 配 信 の 中 断 から 復 旧 までの 時 間 を 短 縮 するネットワーク 再 構 築 手 法 の 改 良 隅 田, 貴 久 三 重 大 学, 三 重 大 学 大 学 院 地 域 イノベーション 学 研 究 科 博 士 前 期 課 程 地 域 イノベーション 学 専 攻
2 23
3 1 1 (P2P) P2P P2P P2P P2P P2P IP ALM ALM ALM ALM join leave failure i
4 Index ii
5 / Peer-to-Peer(P2P) (Application Layer Multicast ALM) IP ALMIP ALM IP IP ALM ALM ALM ALM ALM ALM ALM push pull ALM 1 1 P2P
6 1 (P2P) P2P P2P
7 1.2 P2P P2P Peer-to-Peer Peer P2P P2P 2 2 P2P 1.3 P2P P2P P2P P2P P2P 3
8 1.3.1 P2P P2P P2P P2P 3 3 P2P P2P P2P P2P P2P DHT(Distributed Hash Table ) ( ) 4
9 DHT ID IP 4 ID ID ID ID P2P 4 4 P2P P2P P2P P2P P2P P2P 5 P2P P2P 5
10 戸 ~. 5 P2P 1.4 join 2 IP OSI ALM IP IP OSI 6
11 IP IP ( D ) IP 6 6 IP IP 1 7
12 1.5 ALM ALM IP ALM P2P ALM 7 7 ALM IP P2P IP 8
13 1.5.1 ALM ALM CoopNet[1] Narada[2] ALM 500kbps 500kbps 1 5Mbps 10 ALM 2 ALM Scribe[3] SplitStream[4] ALM 8 8 ALM 9
14 1.5.2 ALM flooding flooding flooding gossip [5] gossip ALM 9 9 ALM Bullet[6] ALM ALM push pull 10
15 flooding gossip pull pull ALM ALM 1.6 join leave failure 3 ALM PeerCast[7] 11
16 1.6.1 join join 11 (Tree-first ) 1 11 join leave leave 12 join leave 12
17 12 leave failure ALM leave 13
18 2 2.1 degree ALM degree degree degree 0 Index 14
19 Index (1) Index (1) C i Index n Index = min(c 0, C 1,, C n 1 ) + 1 Index [8] [8] Index Index 0 Index Index Index
20 ID 2. Index ID Index Index 3. Index
21 1 ID 1 ID 2 ID 3 3 Index 9 9 Index degree degree , degree 1 1 8,
22 15 [8] degree
23 2.5.1 degree degree degree degree 4 9 degree
24
25 3 2.4 [8] 3.4 [8] 3.5 [8] 3.1, 3.2, [8] degree degree degree 0 Index degree Index 17 4,5,6 3 degree degree 9 degree 0 Index 5 degree Index 7,8,9 21
26 [8] degree 1 degree degree 0 Index 22
27 17 8 Index 6 6 degree degree 0 degree 0 Index 9 6 Index 1 6 9, Index Index Index degree 23
28 degree 19 8, 9, degree 1 Index 0 8, 9, 10 degree degree 0 Index 2 9, Index 24
29 4 [8] , 500, 1000 degree 3 degree () = n 1 j=0 E(j) n n E(j) degree 25
30 , 500, , , 2, 3,
31
32
33
34 4.5 [8] degree 0 30
35 [8] Index degree degree [8] [8] ns2[9] PlanetLab[10] 31
36 32
37 [1] V.Padmanabhan, H. Wang, P. Chou, and K. Sripanidkulchai, Distributing streaming media content using cooperative networking, Proceedings of the 12th international workshop on Network and operating systems support for digital audio and video, pp acm New York, NY, USA, [2] Y. Chu, S. Rao, S. Sehan, and H. Zhang, A case for end system multicast, IEEE Journal on Selected Areas in Communications, vol.20, no.8, pp , [3] M. Castro, P. Druschel, A. Kermarrec, A. Rowstron, SCRIBE:A large-scale and decentralized applications Vol.20 No.8, Oct [4] M. Castro, P. Druschel, A. Kernarrec, A. Nandi, A. Rowstron, and A. Singh, SplitStream: High-bandwidth Content Distribution in a Cooperative Environment, Proceedings of ACM SOSP 03, New York, USA, Oct [5] A. J. Gancsh, A-M. Kermarrec, and L. Massoulie, Peer-to-Peer membership management for gossip-based protocols, IEEE Transactions on Computers, 52(2), Feb [6] D. kosti, A. Rodriguez, J. Albrecht, and A. Vahdat, Bullet;High Bandwidth Data Dissemination Using an Overlay Mesh, SOSP, Proceedings of ACM SOSP 03, New York, USA, Oct [7] H. Deshhpande, M. Bawa, H. Garcia-Molina, Streaming Live Media over Peers., Technical Report , Stanford University, Mar [8] ALM NS , pp.85-88, [9] ns2 manual/ [10] PlanetLab 33
Master's Thesis / 修 士 論 文 SOFC 用 新 規 空 気 極 材 料 sr1.5pr0.5mn xcoxo4+δの 合 成 登, 真 良 三 重 大 学, 2008. 三 重 大 学 大 学 院 工 学 研 究 科 博 士 前 期 課 程 分 子 素 材 工 学 専 攻 http://hdl.handle.net/10076/10821
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27 YouTube YouTube UGC User Generated Content CDN Content Delivery Networks LRU Least Recently Used UGC YouTube CGM Consumer Generated Media CGM CGM U
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26 P2P Reduction of search packets by sharing peer information in P2P communication 1175073 2015 2 27 P2P P2P Winny 3 P2P 15 20 P2P 1 P2P, i Abstract Reduction of search packets by sharing peer information
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1 DHT Fig. 1 Example of DHT 2 Successor Fig. 2 Example of Successor 2.1 Distributed Hash Table key key value O(1) DHT DHT 1 DHT 1 ID key ID IP value D
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36 Kitchen of the Future: Kitchen of the Future Kitchen of the Future A kitchen is a place of food production, education, and communication. As it is more active place than other parts of a house, there
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