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输出电子信息安全性是判断计算机网络信息资源访问控制措施是否有效的主要判据之一,对研究信息输出监控技术具有重要意义。本文对局域网电子信息输出特点进行了综合分析,以网络流转方式输出电子信息的途径作为主要研究对象,通过建立流转模型,提出了最大异常输出事件概率是反映网络流转方式输出电子信息隐患的唯一指标。本文给出了最大异常输出事件概率与多种参数的函数关系,并通过仿真得出了对于输出终端数量较多的局域网,转发节点数量是影响异常输出事件发生的决定性因素的论断。最后,论文给出了电子信息输出隐患排除的具体方法,对局域网输出电子信息的管理控制具有一定指导意义。
Outputting electronic information security is one of the main criteria to judge whether the computer network information resource access control measures are effective or not, and it is of great significance to research information output monitoring technology. In this paper, a comprehensive analysis of the characteristics of LAN electronic information output is carried out, and the way of outputting electronic information by means of network transit is taken as the main research object. By setting up a turnover model, the maximum probability of abnormal output events is the only indicator reflecting the network information transmission problems . In this paper, the maximum probability of anomalous output events is given as a function of multiple parameters. The simulation results show that the number of forwarding nodes is the decisive factor that influences the occurrence of anomalous output events. Finally, the paper gives a specific method of eliminating hidden dangers of electronic information output, which is of guiding significance to the management and control of the output electronic information in LAN.