离散事件仿真。电梯运行的一个模拟，实现了对离散事件按事件触发的仿真。-Discrete event simulation. A simulation run the elevator, the realization of discrete event simulation is triggered by the event.

CERTI是一个开源的HLA RTI。HLA是一个通用体系结构分布式计算机仿真系统。RTI(运行时基础设施)管理模拟之间的数据交换。 CERTI支持HLA 1.3规范(c++和Java)和部分IEEE 1516 - 2000(C + +)。 -CERTI is an Open Source HLA RTI. HLA (High-Level Architecture) is a general purpose architecture for distributed computer simula