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目前Ｉｎｔｅｒｎｅｔ上的路由协议仅支持“尽力传送服务”．新型的应用问题如视屏会议、分布式模拟等需要有保障的服务质量．资源预定协议如ＲＳＶＰ等可以用来提供有保障的服务质量，但是它需要有新的路由协议．文中研究了支持资源预定的多目通信的路由问题，提出了两个路由算法．算法２采用了避免使用高负载链路的机制，从而使得多目通信的通信树的分配成功率有很大的提高．文中还给出了模拟实验的结果，并对其进行了分析．
Currently, routing protocols on the Internet only support “best effort delivery service”. New application issues such as video conferencing, distributed simulation and other needs of the guaranteed quality of service. Resource reservation protocols such as RSVP can be used to provide guaranteed quality of service, but it requires new routing protocols. This paper studies the problem of routing multi-objective communication which supports resource reservation and proposes two routing algorithms. Algorithm 2 uses a mechanism that avoids the use of high-load links, so that the success rate of distribution of communication trees for multi-purpose communication is greatly improved. The article also gives the result of simulation experiment and analyzes it.