给出了一种有效的改进方案，通过将现有协议相关的实现从主程序中独立，放到动态连接库中实现。该方案中，每个协议的动态连接库只需要实现与自身协议相关的处理部分即可，通过协议管理类对各协议的操作进行调度，大大增强了IIP系统的可维护性、可扩展性及安全性，降低了系统研发和设计的难度。%This paper presents a kind of measures by making the existing protocols independent from the major program and put them in the dynamic link library. So it only need to implement new protocol of the dynamic link library, by this method we greatly enhanced IIP system maintainability, scalability and security, reducing the system development and design difficulty.
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