| Presentation | 2010-01-29 Broadcast Pre-distribution in VoD Services Noriaki KAMIYAMA, Ryoichi KAWAHARA, Tatsuya MORI, Haruhisa HASEGAWA, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | VoD services in which users can request content delivery on demand has been widely used. In VoD services, the demand for content widely changes on daily scale. Because service provider is required to maintain stable service during peak hours, reducing the server load at peak hours is an important problem. Although multicast delivery in which multiple users requesting the same content are supported by one delivery session is effective to suppress the server load at peak hours, the response time of users seriously increases. P2P-assisted delivery system in which users download content from other users watching the same content is also effective to reduce the server load. However, the system performance depends on selfish user behavior, and the global optimization is difficult. Moreover, complex operation, i.e., switching the delivery multicast tree or source peers, is necessary to support VCR operation. In this paper, we propose to reduce the server load without increasing user response time by broadcasting content to all users prior requests, independently of actual requests. Through numerical evaluation using actual VoD access log data, we clarify the effectiveness of the proposed method. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | VoD / broadcast / pre-distribution / load balancing |
| Paper # | NS2009-156 |
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| Conference Information | |
| Committee | NS |
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| Conference Date | 2010/1/21(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) | Broadcast Pre-distribution in VoD Services |
| Sub Title (in English) | |
| Keyword(1) | VoD |
| Keyword(2) | broadcast |
| Keyword(3) | pre-distribution |
| Keyword(4) | load balancing |
| 1st Author's Name | Noriaki KAMIYAMA |
| 1st Author's Affiliation | NTT Service Integration Laboratories, NTT Corporation() |
| 2nd Author's Name | Ryoichi KAWAHARA |
| 2nd Author's Affiliation | NTT Service Integration Laboratories, NTT Corporation |
| 3rd Author's Name | Tatsuya MORI |
| 3rd Author's Affiliation | NTT Service Integration Laboratories, NTT Corporation |
| 4th Author's Name | Haruhisa HASEGAWA |
| 4th Author's Affiliation | NTT Service Integration Laboratories, NTT Corporation |
| Date | 2010-01-29 |
| Paper # | NS2009-156 |
| Volume (vol) | vol.109 |
| Number (no) | 398 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |