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在光分组交换中,光分组的组装算法将对交换的性能产生重要的影响。由于当前技术水平的限制,光分组的长度与光开关的稳定响应时间粒度相近,因此光开关的稳定响应时间对光分组组装算法的影响必须加以考虑。为此,提出两种考虑光开关稳定响应时间的光分组组装算法,即Threshold-Based-ST算法和Timer-Based-ST算法。采用仿真实验的方法对所提出的组装算法性能进行评估。仿真结果表明,Threshold-Based-ST算法和Timer-Based-ST算法都存在一个最优的组装参数。
In optical packet switching, the optical packet assembly algorithm will have a significant impact on the performance of the exchange. Due to the limitations of the current technology, the length of the optical packet is similar to that of the optical switch, so the influence of the stable response time of the optical switch on the optical packet assembly algorithm must be considered. Therefore, two optical packet assembly algorithms that consider the stable response time of optical switches are proposed, that is, Threshold-Based-ST algorithm and Timer-Based-ST algorithm. The performance of the proposed assembly algorithm is evaluated by simulation experiments. The simulation results show that both the Threshold-Based-ST algorithm and the Timer-Based-ST algorithm have an optimal assembly parameter.