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本文介绍一种近似的性能分析方法及其分析结果,把这个分析技术应用于环路上具有相同结点特性的对称信道,得到一个简单而有效的方法来计算平均报文延时。这个近似的分析技术首先假定报文到达间隔和服务时间互相独立的基础上,对 M/G/1系统计算平均报文延时,然后考虑一个报文可以同时经过多个中间结点,即同时可由多个服务者进行服务这一事实,对经过的中间结点的等待时间加以修正,最后给出计算公式和性能曲线。比文献[1]中提出的方法更接近实际情况。
In this paper, an approximate performance analysis method and its analysis results are introduced. By applying this analysis technique to symmetric channels with the same node characteristics in the loop, a simple and effective method is provided to calculate the average message delay. This approximate analysis technique first calculates the average message delay for the M / G / 1 system on the assumption that the message arrival interval and service time are independent of each other, and then considers that one message can pass through multiple intermediate nodes at the same time Can be served by more than one service to the fact that the waiting time for intermediate nodes to be amended, and finally given the formula and performance curves. The method proposed in [1] is closer to the actual situation.