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主动队列管理算法存在参数设置敏感,响应相对滞后于实际网络状况的缺陷,并没有在实际网络上推广使用,因此对目前使用最多的弃尾被动队列管理进行改进,提出N次弃头的被动队列管理算法,在队列满时,从队列头部丢弃N个数据包,N为大于等于2的整数.该算法改善了弃尾队列管理的缺陷,提高了网络传输性能,能有效改善RTT公平性和速度公平性,算法计算量小,最后通过NS2仿真验证该算法的有效性.
Active queue management algorithm is sensitive to parameter settings, the response lags behind the actual network status defects, and did not promote the use of the actual network, so the current use of most of the abandoned tail passive queue management improvements, proposed N abandoned disposable queue Management algorithm, when the queue is full, discards N packets from the head of the queue, where N is an integer greater than or equal to 2. This algorithm improves the defect of queue management and improves the network transmission performance, which can effectively improve the fairness of RTT and Speed fairness, the algorithm is small, and finally verify the effectiveness of the algorithm by NS2 simulation.