基于QoS的动态组播路由算法

在分析了网络中基于QoS的组播路由问题的基础上，本文提出了一种新的动态算法，并进行了实验和分析，文中构造的路由方案成功地解决了当网络中存在多个组播及组播节点动态变化情况下的QoS路由选择问题，此方案不仅保证了带宽，端到端延时和延时抖动，优化了路由树的代价，而且有效地控制了算法的复杂性并可适用于大规模的网络中。

A dynamic algorithm for QoS-based multicast routing

On the base of describing the optimization of the multicast routing with QoS constrained, The paper presents a new dynamic algorithm . Then some experiments have been given to analyze the performances . The result shows that the routing mechanism in this paper successfully solves the QoS routing problems when multiple multicast communications exist and multicast nodes change dynamicaly. The scheme not only guarantees the bandwidth and end-to-end delay and delay-jitter optimizing the cost of the routing tree ,but also effectively controls the algorithm complexity for large size of network.