在基于用户身份认证的校园网计费系统中，确认用户身份、防止IP盗用是一个很重要的问题。

In campus accounting system based on identity certification, it is very important to confirm the identity of users and prevent IP address embezzlement.

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针对校园网网管中计费管理的需要，本文对校园网计费的有关技术与方法进行了研究，并设计了一个实用的校园网计费系统。

Directing towards the requirement of accounting management in the campus networks, the paper researches into relative technique and designs a practical accounting system of campus network.

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设计了一个校园网认证授权计费系统框架，论述了该系统框架的工作原理。

This paper designs an authentication authority accounting system framework that can be used in campus network environment, and discusses the theory of the system framework.

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