| Presentation | 2009-11-13 Novel Load Distribution System to Mitigate Flash Crowds Kenji YOKOTA, Takuya ASAKA, Tatsuro TAKAHASHI, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | In recent years there is a rapid increase of traffic to a certain Web server within a short time as the number of Internet users increases, and such a phenomenon is called a flash crowd. Once a flash crowd occurs in the Web server, the response rate decreases, or the Web server may crash as the load increases. This paper proposes the load distribution system which mitigates an excessive access to achieves a stable content delivery without enhancing the performance of the Web server even when flash crowds occur. In proposed system, a proxy server detects flash crowds by observing the number of requests, then it changes a content delivery system for flash crowds. To limit access to the Web server, the proxy server redirects the download request to other clients that hold the content in the cache when flash crowds occur. This paper also proposes the content delivery system that uses a tree structure to reduce the load of clients. Moreover, its efficacy is shown through simulation. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | flash crowd / Web server / proxy / load distribution / P2P |
| Paper # | NS2009-117 |
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| Conference Information | |
| Committee | NS |
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| Conference Date | 2009/11/5(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Network Systems(NS) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Novel Load Distribution System to Mitigate Flash Crowds |
| Sub Title (in English) | |
| Keyword(1) | flash crowd |
| Keyword(2) | Web server |
| Keyword(3) | proxy |
| Keyword(4) | load distribution |
| Keyword(5) | P2P |
| 1st Author's Name | Kenji YOKOTA |
| 1st Author's Affiliation | Graduate School of Informatics, Kyoto University() |
| 2nd Author's Name | Takuya ASAKA |
| 2nd Author's Affiliation | Graduate School of Informatics, Kyoto University |
| 3rd Author's Name | Tatsuro TAKAHASHI |
| 3rd Author's Affiliation | Graduate School of Informatics, Kyoto University |
| Date | 2009-11-13 |
| Paper # | NS2009-117 |
| Volume (vol) | vol.109 |
| Number (no) | 273 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |