为了提高网络区分服务的性能,选择一个合适的队列调度算法尤为重要.在WRR调度算法的基础上提出了一种新的调度算法P-VDWRR(Priority Variable Deficit Weighted Round Robin),P-VDWRR不仅能够提供一定的QiS(Quality of Service)保证,还能够在一定范围内根据网络负载情况动态分配网络资源,降低网络节点的丢包率.%In order to improve the performance of distinguished network services, it is particularly important to select an appropriate queuing scheduling algorithm. A new scheduling algorithm is proposed based on the WRR,whose name is Priority Variable Deficit Weighted Round Robin(P-VDWRR). P-VDWRR could provide certain assurance of the QoS, distribute the network resources dynamically according to the load situation within a certain range and reduce the packet loss rate of network nodes.
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