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中文摘要：
在对XML路由技术进行研究和分析的基础上，提出一种基于XML路由的分布式虚拟环境系统构建方法,该方法将XML路由技术与主动兴趣管理相结合，采用双向共享组播树作为通信拓扑结构，根据发布一订购模式实现了数据包的主动过滤和转发．不仅减少系统的网络通信量，而且可以快速、动态地改变通信关系，有效地提高了分布式虚拟环境的可扩展性．最后通过原型系统的实现验证了该方法的可行性和有效性．
英文摘要：
Based on the analysis of XML routing techniques, a new method is presented to implement distributed virtual environment using XML routing. Combining XML routing techniques with active interest management, this method adopts the bi-directional shared multicast tree as the communication topology, and performs active filtering and forwarding of datagram according to publish-subscribe pattern. Therefore, this method can not only reduce network traffic, but also quickly change communication relationship in a dynamical fashion, thus efficiently improving the scalability of distributed virtual environment. Finally, the implementation of the prototype system demonstrates the feasibility and efficiency of the method applied in the distributed virtual environment.
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