Discrete event simulation analysis on multiple class single server queueing system with abandonments and promotions
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In the United States, the Model for End-Stage Liver Disease (MELD) scoring system is implemented to rank patients that are on the liver transplantation waiting list. However, this system is too complex to be directly analyzed. Thus, a multiple class single server queueing model with abandonments and promotions is developed as a simplified version of the original system. The queueing model is analyzed using discrete event simulation. In general, the simulation results indicate that the [rho alpha] rule and the c / [alpha] rule seem to hold for minimizing the system abandonment rate and the total holding cost respectively. While the r [alpha] rule does not seem to hold for maximizing the system reward.