Present methods of analysis and design of DESS focus on their behavior in the steady state, a conceptualization that requires performance measures to be made "in the long run" or averaged over time.

现代离散事件随机系统的分析和设计方法集中在它们在稳定状态下的行为上，在长期的运转或超过平均时间的运作中一个需要绩效测量的概念形成了。