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公开(公告)号：US20060087963A1
公开(公告)日：2006-04-27
申请号：US10974368
申请日：2004-10-25
IPC分类号： H04L12/26
CPC分类号： H04L49/552 , H04L49/357
摘要： A port shutdown protocol coordinates among various components involved in the process of administratively bringing down a link at both ends of a link connecting two switches. Execution of the protocol avoids or reduces frame drops and/or reordering. In this protocol, peer switches perform various actions when bringing down an ISL in a synchronized manner. In one implementation, this protocol uses the Exchange Peer Protocol (EPP) as the underlying transport to carry the port shutdown protocol frames.
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公开(公告)号：US07593324B2
公开(公告)日：2009-09-22
申请号：US10974368
申请日：2004-10-25
IPC分类号： H04L12/26
CPC分类号： H04L49/552 , H04L49/357
摘要： A port shutdown protocol coordinates among various components involved in the process of administratively bringing down a link at both ends of a link connecting two switches. Execution of the protocol avoids or reduces frame drops and/or reordering. In this protocol, peer switches perform various actions when bringing down an ISL in a synchronized manner. In one implementation, this protocol uses the Exchange Peer Protocol (EPP) as the underlying transport to carry the port shutdown protocol frames.
摘要翻译： 端口关闭协议在连接两个交换机的链路的两端管理断开连接的过程中涉及的各个组件之间进行协调。 协议的执行避免或减少帧丢弃和/或重新排序。 在该协议中，对等交换机以同步的方式降低ISL时执行各种动作。 在一个实现中，该协议使用Exchange对等协议（EPP）作为底层传输来携带端口关闭协议帧。
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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
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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公开(公告)号：US08958418B2
公开(公告)日：2015-02-17
申请号：US13112312
申请日：2011-05-20
IPC分类号： H04L12/66 , H04L12/28 , H04L12/56 , H04L12/46 , H04L12/701
CPC分类号： H04L12/4633 , H04L45/00
摘要： Various techniques can be used to handle frames within multi-stage switching fabric. For example, in one method, a frame and an associated frame header are received at a switching fabric stage. The associated frame header includes a first field and a second field. The method selects one or more fabric points of exit within the switching fabric stage, based on the second field. The first field is used to select one or more other fabric points of exit within another switching fabric stage, and thus two different fields within the associated frame header specify fabric points of exit. The method then sends the frame to the selected fabric points of exit within the switching fabric stage.
摘要翻译： 可以使用各种技术来处理多级交换结构中的帧。 例如，在一种方法中，在交换结构阶段接收帧和相关联的帧头。 相关联的帧头部包括第一场和第二场。 该方法基于第二场来选择交换结构阶段内的出口的一个或多个结点。 第一个字段用于在另一个交换结构阶段中选择出口的一个或多个其他结构点，因此关联的帧头中的两个不同的字段指定出口的结构点。 然后，该方法将帧发送到交换结构阶段中出口的所选织物点。
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公开(公告)号：US20120294305A1
公开(公告)日：2012-11-22
申请号：US13112312
申请日：2011-05-20
IPC分类号： H04L12/66
CPC分类号： H04L12/4633 , H04L45/00
摘要： Various techniques can be used to handle frames within multi-stage switching fabric. For example, in one method, a frame and an associated frame header are received at a switching fabric stage. The associated frame header includes a first field and a second field. The method selects one or more fabric points of exit within the switching fabric stage, based on the second field. The first field is used to select one or more other fabric points of exit within another switching fabric stage, and thus two different fields within the associated frame header specify fabric points of exit. The method then sends the frame to the selected fabric points of exit within the switching fabric stage.
摘要翻译： 可以使用各种技术来处理多级交换结构中的帧。 例如，在一种方法中，在交换结构阶段接收帧和相关联的帧头。 相关联的帧头部包括第一场和第二场。 该方法基于第二场来选择交换结构阶段内的出口的一个或多个结点。 第一个字段用于在另一个交换结构阶段中选择出口的一个或多个其他结构点，因此关联的帧头中的两个不同的字段指定出口的结构点。 然后，该方法将帧发送到交换结构阶段中出口的所选织物点。
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公开(公告)号：US08593965B2
公开(公告)日：2013-11-26
申请号：US12903787
申请日：2010-10-13
申请人： Arpan Rongong , Madhava Rao Cheethirala , Nagasree Ravindra , Pralhad Katti , Ranganathan Rajagopalan , Subrata Banerjee , Venkataraman Swaminathan
发明人： Arpan Rongong , Madhava Rao Cheethirala , Nagasree Ravindra , Pralhad Katti , Ranganathan Rajagopalan , Subrata Banerjee , Venkataraman Swaminathan
IPC分类号： H04L12/26
CPC分类号： H04L47/12 , H04L49/35 , H04L49/356 , H04L49/505 , H04L49/506 , H04L67/1097
摘要： Techniques are provided for mitigating the effects of slow or no drain devices on a fabric. One or more of the described embodiments can be used alone or in combination to address problems associated with inter-switch link blocking and to address the situation where flows which are not associated with slow/no drain devices suffer the negative impacts of slow or no drain devices on a fabric.
摘要翻译： 提供了减轻织物上缓慢或无排水装置影响的技术。 所描述的实施例中的一个或多个可以单独使用或组合使用以解决与交换机间链路阻塞相关的问题，并且解决与慢/无漏极装置不相关的流受到慢或无漏极的负面影响的情况 织物上的设备。
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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
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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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
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。
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公开(公告)号：US20120014253A1
公开(公告)日：2012-01-19
申请号：US12903787
申请日：2010-10-13
申请人： Arpan Rongong , Madhava Rao Cheethirala , Nagasree Ravindra , Pralhad Katti , Ranganathan Rajagopalan , Subrata Banerjee , Venkataraman Swaminathan
发明人： Arpan Rongong , Madhava Rao Cheethirala , Nagasree Ravindra , Pralhad Katti , Ranganathan Rajagopalan , Subrata Banerjee , Venkataraman Swaminathan
IPC分类号： H04L12/26
CPC分类号： H04L47/12 , H04L49/35 , H04L49/356 , H04L49/505 , H04L49/506 , H04L67/1097
摘要： Techniques are provided for mitigating the effects of slow or no drain devices on a fabric. One or more of the described embodiments can be used alone or in combination to address problems associated with inter-switch link blocking and to address the situation where flows which are not associated with slow/no drain devices suffer the negative impacts of slow or no drain devices on a fabric.
摘要翻译： 提供了减轻织物上缓慢或无排水装置影响的技术。 所描述的实施例中的一个或多个可以单独使用或组合使用以解决与交换机间链路阻塞相关的问题，并且解决与慢/无漏极装置不相关的流受到慢或无漏极的负面影响的情况 织物上的设备。
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