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1. 发明授权

US08867560B2 Managing crossbar oversubscription 有权
标题翻译：管理交叉超额认购
公开(公告)号：US08867560B2
公开(公告)日：2014-10-21
申请号：US13561921
申请日：2012-07-30
申请人： Lalit Kumar , Deepak Mayya , Amit Singh , Rajesh L G
发明人： Lalit Kumar , Deepak Mayya , Amit Singh , Rajesh L G
IPC分类号： H04L12/28 , H04L12/935 , H04L12/825 , H04L12/815
CPC分类号： H04L47/22 , H04L47/25 , H04L49/30
摘要： A number of ports are configured in a linecard in a network device as dedicated ports and a remaining number of ports as shared ports. A total bandwidth allocated to the dedicated ports is computed. It is determined that available bandwidth at a central crossbar is greater than the total bandwidth allocated to the dedicated ports. The total data sent the central crossbar is rate limited to less than the available bandwidth at the central crossbar. First data associated with the dedicated ports is scheduled to the central crossbar using a first priority. Second data associated with the shared ports is scheduled using a second priority. A shared port data is scheduled based on a ration of a bandwidth requirement for the shared port as a fraction of overall bandwidth requirement for the shared ports.
摘要翻译：多个端口在网络设备的线路卡中配置为专用端口，剩余端口数量作为共享端口配置。计算分配给专用端口的总带宽。确定中央交叉开关处的可用带宽大于分配给专用端口的总带宽。发送中央交叉开关的总数据速率被限制为小于中央横梁上的可用带宽。使用第一优先级将与专用端口相关联的第一数据调度到中央交叉开关。使用第二优先级调度与共享端口相关联的第二数据。共享端口数据根据共享端口的带宽要求的比例作为共享端口总带宽要求的一小部分进行调度。

2. 发明授权

US09237103B2 Congestion alleviation in network systems 有权
标题翻译：网络系统拥塞缓解
公开(公告)号：US09237103B2
公开(公告)日：2016-01-12
申请号：US13435023
申请日：2012-03-30
申请人： Deepak Srinivas Mayya , Rajesh L G , Saket Jain , Prashant Chandrashekhar Pathak , Lalit Kumar , Ranganathan Rajagopalan
发明人： Deepak Srinivas Mayya , Rajesh L G , Saket Jain , Prashant Chandrashekhar Pathak , Lalit Kumar , Ranganathan Rajagopalan
IPC分类号： H04L12/26 , H04L12/801 , H04L12/841 , H04L12/835 , H04L12/823
CPC分类号： H04L47/12 , H04L47/17 , H04L47/28 , H04L47/30 , H04L47/32 , H04L47/39
摘要： In one embodiment, a method is provided for alleviating congestion in a network system. In this method, the receipt of data packets destined for a destination apparatus is detected. Flow control signals are also received with each flow control signal corresponding to a data packet. Various time periods are tracked with each time period being between the detection of the receipt of a data packet and the receipt of tracked corresponding flow control signal. An average of the time periods is calculated and this average is compared to a threshold. One or more data packets are dropped in reference to the comparison.
摘要翻译：在一个实施例中，提供了一种用于减轻网络系统中的拥塞的方法。在该方法中，检测到目的地为目的地设备的数据分组的接收。流量控制信号也被接收，每个流量控制信号对应于一个数据包。跟踪每个时间段，每个时间段在检测到数据分组的接收和跟踪的对应的流量控制信号的接收之间。计算时间段的平均值，并将该平均值与阈值进行比较。参考比较，丢弃一个或多个数据包。

3. 发明申请

US20130258851A1 MITIGATION OF CONGESTION DUE TO STUCK PORTS IN NETWORK SYSTEMS 审中-公开
标题翻译：在网络系统中缓解窘境的困扰
公开(公告)号：US20130258851A1
公开(公告)日：2013-10-03
申请号：US13435350
申请日：2012-03-30
申请人： Deepak Srinivas Mayya , Rajesh L G , Saket Jain , Prashant Chandrashekhar Pathak , Lalit Kumar , Ranganathan Rajagopalan
发明人： Deepak Srinivas Mayya , Rajesh L G , Saket Jain , Prashant Chandrashekhar Pathak , Lalit Kumar , Ranganathan Rajagopalan
IPC分类号： H04L12/26
CPC分类号： H04L47/32 , H04L47/12 , H04L47/17 , H04L47/28 , H04L47/39
摘要： In one embodiment, a method is provided for controlling congestion in a network system. In this method, receipt of a data packet that is destined for a destination switching apparatus is detected. Subsequent to the detection of the data packet, a time that has elapsed while flow control is implemented by the destination switching apparatus is tracked. The data packet is dropped based on the elapsed time exceeding a predefined time period.
摘要翻译：在一个实施例中，提供了一种用于控制网络系统中的拥塞的方法。在该方法中，检测到目的地为目的地交换装置的数据分组的接收。在检测到数据包之后，跟踪由目的地交换装置实现流量控制所经过的时间。基于超过预定时间段的经过时间，丢弃数据包。

4. 发明申请

US20140294379A1 METHOD AND APPARATUS FOR USING CREDITS TO DETERMINE CABLE LENGTH 有权
标题翻译：使用信用来确定电缆长度的方法和装置
公开(公告)号：US20140294379A1
公开(公告)日：2014-10-02
申请号：US13852964
申请日：2013-03-28
申请人： Rajesh L G , Deepak Srinivas Mayya , Lalit Kumar
发明人： Rajesh L G , Deepak Srinivas Mayya , Lalit Kumar
IPC分类号： H04B10/25 , H04L29/08 , H04B10/079
CPC分类号： H04B10/25 , H04B10/077
摘要： Various systems and methods for using credits to determine cable length are described herein. A number of available credits is determined at a transmitter, the credits being received at the transmitter from a receiver, and each of the credits being used for the transmitter to transmit a packet to the receiver. An average number of credits for a period is determined. The cable length between the transmitter and the receiver is determined based on the average number of credits for the period.
摘要翻译：这里描述了用于使用信用来确定电缆长度的各种系统和方法。在发射机处确定多个可用的信用，信号在发射机处从接收机接收，并且每个信用被用于发射机将数据包发射到接收机。确定一段期间的平均信用额。发射机和接收机之间的电缆长度是根据该周期的平均信用数确定的。

5. 发明申请

US20130258850A1 CONGESTION ALLEVIATION IN NETWORK SYSTEMS 有权
标题翻译：网络系统中的约束提示
公开(公告)号：US20130258850A1
公开(公告)日：2013-10-03
申请号：US13435023
申请日：2012-03-30
申请人： Deepak Srinivas Mayya , Rajesh L G , Saket Jain , Prashant Chandrashekhar Pathak , Lalit Kumar , Ranganathan Rajagopalan
发明人： Deepak Srinivas Mayya , Rajesh L G , Saket Jain , Prashant Chandrashekhar Pathak , Lalit Kumar , Ranganathan Rajagopalan
IPC分类号： H04L12/26
CPC分类号： H04L47/12 , H04L47/17 , H04L47/28 , H04L47/30 , H04L47/32 , H04L47/39
摘要： In one embodiment, a method is provided for alleviating congestion in a network system. In this method, the receipt of data packets destined for a destination apparatus is detected. Flow control signals are also received with each flow control signal corresponding to a data packet. Various time periods are tracked with each time period being between the detection of the receipt of a data packet and the receipt of tracked corresponding flow control signal. An average of the time periods is calculated and this average is compared to a threshold. One or more data packets are dropped in reference to the comparison.
摘要翻译：在一个实施例中，提供了一种用于减轻网络系统中的拥塞的方法。在该方法中，检测到目的地为目的地设备的数据分组的接收。流量控制信号也被接收，每个流量控制信号对应于一个数据包。跟踪每个时间段，每个时间段在检测到数据分组的接收和跟踪的对应的流量控制信号的接收之间。计算时间段的平均值，并将该平均值与阈值进行比较。参考比较，丢弃一个或多个数据包。

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