| P2P流媒体直播系统的组播树构建及设计 |
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| 引用本文： | 谈广云,许华虎,高珏.P2P流媒体直播系统的组播树构建及设计[J].上海大学学报(自然科学版),2010,16(1):91-96. |
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| 作者姓名： | 谈广云 许华虎 高珏 |
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| 作者单位： | 上海大学计算机工程与科学学院,上海,200072 |
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| 基金项目： | 上海市教委发展基金资助项目 |
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| 摘 要： | 研究了P2P流媒体直播系统的特性和体系结构.对组播树的构建与设计进行了详细的说明,提出一种单播树、多播树结合的组播树构建方案,该方案结合了单组播树维护方便、多组播数节点负载均衡的优点.对节点组织策略进行了分析,对新加入节点利用及时服务策略进行了研究,提出一种及时优化策略.在新节点加入的时候就探测其服务能力,调整组播树结构,及时发挥新加入节点的优势,提升系统服务能力.
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| 关 键 词： | P2P 流媒体 组播树 |
| 收稿时间： | 2008-07-10 |
Construction of Multicast Tree of P2P-Based Live Media Streaming and System Design |
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| TAN Guang-yun,XU Hua-hu,GAO Jue.Construction of Multicast Tree of P2P-Based Live Media Streaming and System Design[J].Journal of Shanghai University(Natural Science),2010,16(1):91-96. |
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| Authors: | TAN Guang-yun XU Hua-hu GAO Jue |
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| Institution: | TAN Guang-yun,XU Hua-hu,GAO Jue (School of Computer Engineering , Science,Shanghai University,Shanghai 200072,China) |
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| Abstract: | This paper studies characteristics and architecture of P2P streaming broadcast systems.Construction and design methods of multicast tree are first discussed.A scheme combining unicast and multicast trees is proposed,which combines advantages of easy maintenance of unicast tree and load balancing of multicast tree.Based on analyses of the strategies of node organization and timely service of new nodes,an optimized strategy for immediate service is introduced.When new nodes are added,the system will detect th... |
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| Keywords: | P2P P2P streaming media multicast tree |
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