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1.发明公开METHOD AND SYSTEM FOR CONTROLLING TRANSMISSION OF PACKETS IN COMPUTER NETWORKS 有权方法和系统，以控制在计算机网络程序包传输
公开(公告)号：EP1232627A1
公开(公告)日：2002-08-21
申请号：EP00976194.1
申请日：2000-11-21
发明人： AYDEMIR, Metin , BASS, Brian, Mitchell , JEFFRIES, Clark, Debs , ROVNER, Sonia, Kiang , SIEGEL, Michael, Steven , GALLO, Anthony, Matteo , GORTI, Brahmanand, Kumar , HEDDES, Marco
摘要： Methods, apparatus and program products for controlling a flow of a plurality of packets in a computer network are disclosed. The computer network includes a device defining a queue. The methods, apparatus and program products include determining a queue level for the queue and determining an offered rate of the plurality of packets to the queue. They also include controlling a transmission fraction of the plurality of packets to or from the queue, based on the queue level, the offered rate and a previous value of the transmission fraction so that the transmission fraction and the queue level are critically damped if the queue level is between at least a first queue level and a second queue level. Several embodiments are disclosed in which various techniques are used to determine the manner of the control.
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2.发明公开METHOD AND SYSTEM FOR CONTROLLING FLOWS IN SUB-PIPES OF COMPUTER NETWORKS 有权用于控制数据的方法和系统流在计算机网络中的一部分的数据STREAM BUNCH
公开(公告)号：EP1269694A2
公开(公告)日：2003-01-02
申请号：EP01915553.0
申请日：2001-03-30
发明人： GORTI, Brahmanand, Kumar , HWANG, Dongming , JEFFERIES, Clark, Debs , SIEGEL, Michael, Steven , SUDEEP, Kartik
CPC分类号： H04L12/5602 , H04L2012/5624 , H04L2012/5632 , H04L2012/5651 , H04L2012/5679 , H04L2012/5681 , H04Q11/0478
摘要： A method and system for controlling a plurality of sub-pipes in a computer network is disclosed. The computer network includes at least one switch. The plurality of sub-pipes utilizes the switch for transmitting traffic through the network. The method and system include allowing a minimum flow to be set for each of the plurality of sub-pipes and determining whether congestion exists for the pipe. The method and system also include controlling a flow in a sub-pipe of the plurality of sub-pipes only if congestion exists. Once congestion is determined to exist, the time set to control of sub-pipes is set significantly longer than for control over individual decreases or increases of the flows in sub-pipes. The flow is controlled such that the flow for the sub-pipe may be linearly increased if the flow for the sub-pipe of the plurality of sub-pipes is less than the minimum flow. The flow is also controlled such that the flow for the sub-pipe of the plurality of sub-pipes is exponentially decreased if the flow is greater than the minimum flow. In determining whether to increase or decrease the flow in a sub-pipe, a second definition of congestion may be used. Thus the traffic through the switch is stable.
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3.发明授权METHOD AND SYSTEM FOR CONTROLLING FLOWS IN SUB-PIPES OF COMPUTER NETWORKS 有权用于控制数据的方法和系统流在计算机网络中的一部分的数据STREAM BUNCH
公开(公告)号：EP1269694B1
公开(公告)日：2005-02-23
申请号：EP01915553.0
申请日：2001-03-30
发明人： GORTI, Brahmanand, Kumar , HWANG, Dongming , JEFFERIES, Clark, Debs , SIEGEL, Michael, Steven , SUDEEP, Kartik
CPC分类号： H04L12/5602 , H04L2012/5624 , H04L2012/5632 , H04L2012/5651 , H04L2012/5679 , H04L2012/5681 , H04Q11/0478
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4.发明授权METHOD AND SYSTEM FOR CONTROLLING TRANSMISSION OF PACKETS IN COMPUTER NETWORKS 有权方法和系统，以控制在计算机网络程序包传输
公开(公告)号：EP1232627B1
公开(公告)日：2009-07-01
申请号：EP00976194.1
申请日：2000-11-21
发明人： AYDEMIR, Metin , BASS, Brian, Mitchell , JEFFRIES, Clark, Debs , ROVNER, Sonia, Kiang , SIEGEL, Michael, Steven , GALLO, Anthony, Matteo , GORTI, Brahmanand, Kumar , HEDDES, Marco
摘要： Methods, apparatus and program products for controlling a flow of a plurality of packets in a computer network are disclosed. The computer network includes a device defining a queue. The methods, apparatus and program products include determining a queue level for the queue and determining an offered rate of the plurality of packets to the queue. They also include controlling a transmission fraction of the plurality of packets to or from the queue, based on the queue level, the offered rate and a previous value of the transmission fraction so that the transmission fraction and the queue level are critically damped if the queue level is between at least a first queue level and a second queue level. Several embodiments are disclosed in which various techniques are used to determine the manner of the control.
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