分组交换网络中离散事件仿真(包括单一队列模拟和网络模拟)，计算其丢包率以及延迟。-Build a discrete-event simulator for a packet-switched network and to evaluate its performance, in terms of loss rate and delay, under two operational scenarios.

simjava是一种离散事件仿真软件，基于该软件可以仿真诸如调度算法，故障分析等-simjava is a discrete event simulation software, based on the simulation software such as the scheduling algorithm, fault analysis, etc.- This is a comprehensive example of the grid, through this example, you