这种特性会导致分组丢失率增大和缓存系统排队延时的增加。
This character results in increase of packet lost rate and queuing delay of buffer system.
给出了呼叫损失概率、分组丢失率的计算方法及容量缩放因子的求解方法。
Methods of evaluating the call blocking probabilities, cell loss probability and the capacity scaling factor were presented.
性能分析结果表明，该算法能够减轻节点拥塞，降低端到端时延，减小分组丢失率。
The performance analysis illustrates some advantages obtained by using least load routes, such as decreasing end-to-end delay, packet loss ratio and length of interface queues.
合适的OBS组装算法在一定程度上能降低网络自相似性，减少平均分组丢失率，提高OBS 网络性能。
Proper OBS assembly algorithms can decrease self-similarity of the network traffic, reduce average packet loss rate and enhance the OBS network performance.
实验结果表明，与标准的区分服务网络相比，该方案能在TCP和UDP聚集之间公平地分配带宽并能显著地降低分组丢失率。
The simulation results show that the proposed scheme is capable of protecting aggregated TCP flows from congestion caused by unresponsive UDP flows and reducing packet loss ratio.
第二章是光突发交换的网络性能分析。包括了各种资源预约机制、是否支持优先级服务和各种交换结构、调度算法对突发数据分组丢失率的影响。
Chapter two analyses the OBS network performance, including resource reservation, priority support and scheduling algorithm, with emphasis on their impact on the burst lost rate.
仿真结果表明，作者提出的门限值的确定方法可获得较小的平均分组时延和较低的平均分组丢失率，计算简便，易于实现，是一种很好的确定缓冲器队列门限值的方法。
The computer simulation results show that the algorithm presented here is good for determining the bit dropping thresholds with low packet delay and small packet loss probability and easy operation.
仿真结果表明，作者提出的门限值的确定方法可获得较小的平均分组时延和较低的平均分组丢失率，计算简便，易于实现，是一种很好的确定缓冲器队列门限值的方法。
The computer simulation results show that the algorithm presented here is good for determining the bit dropping thresholds with low packet delay and small packet loss probability and easy operation.
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