该方案既有效解决了应用层组播可靠传输问题，又降低了恢复时延和系统开销。
The scheme improves the reliability of data transmission, and reduces system overhead and the latency of recovery.
本文建立了应用层组播节点的欺骗模型，并讨论了在固定组成员的情况下，节点欺骗引起的组播树不稳定问题。
This paper establishes the cheating model of ALM nodes, and discusses the instability problem of ALM tree on the occurrence of node cheating when there is no multicast member changing.
本文研究了由MSN节点组成的应用层组播网络，提出了度约束最小直径生成树问题，并给出了求解该问题的BCT算法。
The paper studies the application layer multicast networks of MSNs, and presents a heuristic BCT algorithm for degree-constrained minimum diameter spanning tree problem.
本论文主要研究了面向单源流媒体非交互式应用的应用层组播系统。
This paper mainly studies irreciprocal application layer multicast system facing single source streaming media.
研究了由MSN节点组成的应用层组播网络，讨论了度约束最小直径生成树(D - MDST)问题，并给出了求解该问题的BCT算法。
The paper studies the application layer multicast networks of MSNs, and presents a heuristic BCT algorithm for Degree-constrained Minimum Diameter Spanning Tree (D-MDST) problem.
现有拓扑感知应用层组播中的故障检测机制极其简单，大大削弱了拓扑感知应用层组播的系统性能。
The fault detection mechanism of existing topology-aware ALM protocol is very simple which greatly weakens its performance.
综述了P2P技术、应用层组播技术和流媒体技术。
Theory of P2P networks ALM technology and stream media technique are summarized.
详细介绍了适合流媒体直播的应用层组播树构造算法，并分析了其优缺点。
Algorithm for construct ALM spanning tree which is applied in stream media living broadcast is introduced.
该文讨论了目前四种有代表性的应用层组播协议并且给出了这些协议的性能和应用的比较。
This paper discusses four application layer multicast protocols which are classic today and presents a comparison of performance and application of these schemes.
本文首先介绍了几种常用的应用层组播协议中选择最优父母节点的不同方法，并对已有方法进行了深入的分析。
This thesis introduces some different techniques of selecting optimal parent node in most ALM protocols, and makes a deep analysis on that.
本文首先介绍了几种常用的应用层组播协议中选择最优父母节点的不同方法，并对已有方法进行了深入的分析。
This thesis introduces some different techniques of selecting optimal parent node in most ALM protocols, and makes a deep analysis on that.
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