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文中讨论了在ＩＰ网络中支持ＱｏＳ路径时优化网络资源的模糊方法，对ＱｏＳ路径选择中出现的多目标路径费用函数进行了合理的描述．该方法综合考虑了路径中的带宽、时延和路径条数，从初选出来的若干条路径中选择更安全，又节约网络资源的路径．仿真结果表明，模糊算法既兼容普通方法，又比普通方法更合理．同时，模糊方法计算简单迅速，用 ＶＬＳＩ（ｖｅｒｙ ｌａｒｇｅ ｓｃａｌｅ ｉｎｔｅｇｒａｔｉｏｎ）硬件很容易实现．
In this paper, a fuzzy method of optimizing network resources in QoS support in IP networks is discussed. The cost function of multi - objective paths appearing in QoS path selection is reasonably described. The method takes into account the bandwidth, delay and number of paths in the path, and selects the path that is safer and saves the network resources from the number of primaries. Simulation results show that the fuzzy algorithm is not only compatible with the common method, but also more reasonable than the common method. At the same time, fuzzy methods are computationally simple and easy to implement with VLSI (very large scale integration) hardware.