| Su Hang (苏杭),Wang Jinlin,You Jiali.[J].高技术通讯(英文),2013,19(2):214~220 |
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| Benefiting from providing multi-dimensional view of peers in overlay of P2P streaming system |
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| DOI： |
| 中文关键词: |
| 英文关键词: Peer-to-Peer (P2P), streaming, overlay, locality sensitive hashing, range search, load balance |
| 基金项目: |
| Author Name | Affiliation | | Su Hang (苏杭) | | | Wang Jinlin | | | You Jiali | |
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| 中文摘要: |
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| 英文摘要: |
| Most overlay of existing P2P streaming systems just focus on the view point of video content data. An multi-dimensional overlay for the P2P streaming system (MDOPS) is proposed for providing multi-dimensional view including video data, peers’ service capability and online stability based on locality sensitive hashing. MDOPS organizes all Live/VoD peers and the above multi-dimensional information in a one-dimensinal DHT, uses range resource information publish/search and introduces multiple load balancing methods. MDOPS maintains an additional candidate coordinating peer list with high qualified peers who own the video data the peer would possibly access currently and in future. This list could speed up the process of searching peers for data scheduling layer. Simulation experiment based on trace of real streaming system has testified that MDOPS can effectively improve the quality of search results and smooth load distribution among peers without increasing the cost of resource publish/search. |
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