【摘 要】
：
在P2P网络中,传统的多播路由算法是基于覆盖图的优化的,这些算法存在着覆盖图的结构在全局上不是最优的、资源的利用率较低的缺点,同时叶子结点不能贡献任何带宽给多播树中的
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在P2P网络中,传统的多播路由算法是基于覆盖图的优化的,这些算法存在着覆盖图的结构在全局上不是最优的、资源的利用率较低的缺点,同时叶子结点不能贡献任何带宽给多播树中的其他结点。设计了一种基于覆盖图优化的多播路由算法AOO,它在覆盖图优化的基础上,利用历史连接信息,使参与多播的结点能够使用最近的邻居来保证流媒体服务的质量,在多播组成员之间来均衡负载,从而提高P2P网络的全局资源的利用率。仿真实验表明,该算法能够有效地提高P2P网络的性能。
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