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给出一个新的ＷＷＷ系统的性能分析模型，将服务器系统和通信访问网络统一考虑为一个整体，并将模型扩展到多服务器系统；分析了各模型参数对服务系统性能的影响，提出了避免死锁状态的方法和增加新服务器速率的原则；最后对比了几种提高服务器性能的方法在不同拥塞条件下的优劣．仿真实验结果证实了模型的有效性．该模型对于网络管理、规划设计和网络升级都具有实际意义
A new performance analysis model of WWW system is given. The server system and communication access network are considered as a whole, and the model is extended to multi-server system. The influence of each model parameter on the performance of service system is analyzed. Lock status and increase the new server speed principle; Finally, compared several methods to improve server performance under different congestion conditions. Simulation results verify the validity of the model. The model has practical significance for network management, planning and design and network upgrade