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面向异构网络的多路径数据重传研究

Research on Multipath Data Retransmission for Heterogeneous Networks
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摘要 针对多路径并发传输SCTP协议在实际应用中,因数据乱序造成有效吞吐量远低于各路径的有效带宽总和的问题,提出了一种基于多路径数据重传算法(MDRA)的异构网络数据传输类型,该方法将对最小重传时延、min{max{路径数据重传时间}}、最小丢包率依次进行判断来选择重传路径,能够有效减少数据包乱序,防止接收端缓存区拥塞,提高传输系统的吞吐性能。最后,利用NS-2仿真软件对所提方法的性能进行了仿真验证。 Aiming at the problem that the effective throughput of the multi-path concurrent transmission SCTP protocol is much lower than the effective bandwidth of each path in the practical application,a multi-path data retransmission algorithm(MDRA),the method will determine the minimum retransmission delay,min{max{path data retransmission time}},and the minimum packet loss rate to select the retransmission path,which can effectively reduce the Packet out of order to prevent the receiving end of the cache congestion,improve the transmission system throughput performance. Finally,the performance of the proposed method is verified by NS-2 simulation software.
作者 戴卓臣 陆江东 DAI Zhuochen;LU Jiangdong(The Second Military Medical University,Shanghai 20043)
机构地区 第二军医大学
出处 《计算机与数字工程》 2018年第9期1844-1849,共6页 Computer & Digital Engineering
关键词 异构网络 多路径并发传输 时延 数据重传 缓存区阻塞 heterogeneous network multipath concurrent transmission delay data retransmission buffer block
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