双环双容错功能局域网的可靠性分析

Reliability Analysis of Double Loop LAN with Double Fault Tolerant Technique

采用“平均有效终端数”作为度量网络可靠性的参数，通过对系统模型的数学解析，建立了具有旁路和环路回接双容错功能的双环局域网（ＬＡＮ）的可靠性数学模型。通过数值例，考察了网络结构因素对系统可靠性的影响，得到了最佳实际终端数存在的结论。

Using Mean Valid Terminal Number as a parameter measuring reliability of LAN,the mathematical model of reliability of Fault Tolerant Double Loop LANwith bypass and loopback techniques is set up by mathematical analysis for system model The influence of constructional factors of LAN on system reliability is investigated,and the conclusion that the optimal actual terminal number exists is testified by numerical examples