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提供快速有效的Internet接入是UMTS网络的重要目标。当今,HTTP业务是构成Internet业务的主要部分,因此有必要研究UMTS网络承载HTTP业务时的性能。文章介绍了HTTP业务模型的基本概念,模型各层次服从的概率分布。随后给出了OPNET平台上一种HTTP业务模型的实现、模型状态机各状态的功能及模型,并讨论了业务模型和无线网络特性之间的相互影响。
Providing fast and efficient Internet access is an important goal of the UMTS network. Nowadays, HTTP service is the main part of Internet business, so it is necessary to study the performance of UMTS network when carrying HTTP service. The article introduces the basic concepts of HTTP business model, the probability distribution of obedience of the model at all levels. Then we present an implementation of an HTTP business model on the OPNET platform, the functions and models of each state of the model state machine, and discuss the interaction between the business model and the wireless network features.