The system uses SimJava as the discrete event simulation engine and builds layer component in terms of the OSI Model. During experiment, students can clearly understand the behavior in the network node and the protocol of each layer of network.

• 系统使用SimJava作为离散事件处理引擎,将网络节点内部按照OSI参考模型分层来构造组件,使用户在实验中能够更好地理解节点内部的行为以及网络各层的协议。