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1. 国防科技大学信息通信学院,陕西 西安 710106
2. 清华大学网络科学与网络空间研究院,北京 100084
3. 清华信息科学与技术国家实验室(筹),北京 100084
[ "杨洋(1980- ),男,江苏无锡人,博士,国防科技大学讲师,主要研究方向为计算机网络、路由协议、流量工程等。" ]
[ "曹敏(1985- ),女,陕西咸阳人,国防科技大学讲师,主要研究方向为通信与信息系统、信号处理等。" ]
[ "杨家海(1966- ),男,浙江云和人,清华大学教授、博士生导师,主要研究方向为计算机网络、网络管理与测量、网络安全、云计算与大数据等。" ]
[ "车嵘(1979- ),女,甘肃兰州人,国防科技大学副教授,主要研究方向为信号与信息处理、图像通信技术等。" ]
[ "刘伟(1982- ),女,安徽安庆人,博士,国防科技大学副教授,主要研究方向为信号与信息处理、无线通信技术等。" ]
网络出版日期:2019-07,
纸质出版日期:2019-07-25
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杨洋, 曹敏, 杨家海, 等. SSRC:时延敏感流的数据源端速率控制算法[J]. 通信学报, 2019,40(7):14-26.
Yang YANG, Min CAO, Jiahai YANG, et al. SSRC:source rate control algorithm for delay-sensitive flow in data center network[J]. Journal on communications, 2019, 40(7): 14-26.
杨洋, 曹敏, 杨家海, 等. SSRC:时延敏感流的数据源端速率控制算法[J]. 通信学报, 2019,40(7):14-26. DOI: 10.11959/j.issn.1000-436x.2019070.
Yang YANG, Min CAO, Jiahai YANG, et al. SSRC:source rate control algorithm for delay-sensitive flow in data center network[J]. Journal on communications, 2019, 40(7): 14-26. DOI: 10.11959/j.issn.1000-436x.2019070.
当前的研究工作针对如何保证时延敏感流的传输时间进行了大量研究,但普遍存在时效性不够强的问题。基于 SDN/OpenFlow架构,提出了数据源端控制算法 SSRC。该算法依据网络的全局视图,快速定位拥塞可能发生的节点,并及时对目标流的源端速率进行调节,可以缩短算法的响应时间。实验结果表明,与DCTCP 等算法相比,所提算法的流完成时间平均缩短了 75%,且能够保证时延敏感流的传输时间,很好地解决Incast问题。
Previous work had studied how to ensure the transmission time of delay-sensitive flows
but falled short in its effectiveness for a given period.Motivated by that and based on SDN/OpenFlow framework
a SDN-based source rate control (SSRC) algorithm was proposed.With a global view of network
SSRC can quickly locate the potential congestion node
adjust the transmission rate of source and reduce the response time of SSRC.The experiment results show that compared with DCTCP and other algorithms
SSRC can shorten the completion time of flows by 75% in average
which can ensure the transmission time of delay-sensitive and solve the problem of Incast well.
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