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公开(公告)号：US09619002B2
公开(公告)日：2017-04-11
申请号：US14807037
申请日：2015-07-23
Applicant: Cisco Technology, Inc.
Inventor： Jianquan Lou , Ming Chi , Haibin Tang , Zhou Yang , Jinghan Yu , Qiuhua Zhu , Joel Goergen , Hugh Barrass
IPC: G06F1/32 , G06F9/50 , H04L29/08 , H04L12/861 , H04L12/70 , H04L12/46 , H04L12/863
CPC classification number: H04L49/9084 , G06F1/3206 , G06F1/3209 , G06F1/3225 , G06F1/3234 , G06F1/3275 , G06F1/3278 , G06F1/3287 , G06F9/5083 , H04L12/46 , H04L47/6215 , H04L49/90 , H04L67/10 , H04L2012/568 , Y02D10/14 , Y02D10/157 , Y02D10/171 , Y02D50/20
Abstract: In some implementations, a method includes analyzing an amount of data communicated by a set of network interfaces. The data communicated by the set of network interfaces is processed by a set of functional units and a set of queues includes the data communicated by the set of network interfaces. The method also includes activating a first functional unit of the set of functional units when a first size of a first queue of the set of queues is above a first threshold. The method further includes deactivating the first functional unit of the set of functional units when the first size of the first queue of the set of queues is below a second threshold. The method further includes causing the data to be forward to one or more active functional units via a data interconnect coupled to the set of network interfaces and the set of functional units.
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公开(公告)号：US20170023996A1
公开(公告)日：2017-01-26
申请号：US14807037
申请日：2015-07-23
Applicant: Cisco Technology, Inc.
Inventor： Jianquan Lou , Ming Chi , Haibin Tang , Zhou Yang , Jinghan Yu , Qiuhua Zhu , Joel Goergen , Hugh Barrass
IPC: G06F1/32
CPC classification number: H04L49/9084 , G06F1/3206 , G06F1/3209 , G06F1/3225 , G06F1/3234 , G06F1/3275 , G06F1/3278 , G06F1/3287 , G06F9/5083 , H04L12/46 , H04L47/6215 , H04L49/90 , H04L67/10 , H04L2012/568 , Y02D10/14 , Y02D10/157 , Y02D10/171 , Y02D50/20
Abstract: In some implementations, a method includes analyzing an amount of data communicated by a set of network interfaces. The data communicated by the set of network interfaces is processed by a set of functional units and a set of queues includes the data communicated by the set of network interfaces. The method also includes activating a first functional unit of the set of functional units when a first size of a first queue of the set of queues is above a first threshold. The method further includes deactivating the first functional unit of the set of functional units when the first size of the first queue of the set of queues is below a second threshold. The method further includes causing the data to be forward to one or more active functional units via a data interconnect coupled to the set of network interfaces and the set of functional units.
Abstract translation: 在一些实现中，一种方法包括分析由一组网络接口传送的数据量。 由一组网络接口传送的数据由一组功能单元处理，一组队列包括由该组网络接口传送的数据。 该方法还包括当该组队列的第一队列的第一大小高于第一阈值时激活该组功能单元中的第一功能单元。 该方法还包括当该组队列的第一队列的第一大小低于第二阈值时，去激活该组功能单元中的第一功能单元。 该方法还包括使得数据经由耦合到该组网络接口和该组功能单元的数据互连来转发到一个或多个活动功能单元。
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公开(公告)号：US09160604B2
公开(公告)日：2015-10-13
申请号：US13797439
申请日：2013-03-12
Applicant: Cisco Technology, Inc.
Inventor： Simon Luigi Sabato , Hugh Barrass
CPC classification number: H04L29/0653 , H04L7/04 , H04L25/14
Abstract: Methods and systems to explicitly realign packets are described. The system includes a first communications device that receives a first stream of bytes comprising a first packet and generates realignment information for the first packet based on an alignment restriction. The first communications device further transmits a second stream of bytes over the data path comprising the first packet and the realignment information. The transmitting of the first byte of the first packet over the data path being in accordance with the alignment restriction that is associated with an interface. The realignment information identifies a difference between a time that the first byte of the first packet would have been transmitted by the first communications device without the alignment restriction and a time of transmission of the first byte of the first packet by the first communications device in accordance with the alignment restriction.
Abstract translation: 描述了明确重新调整数据包的方法和系统。 该系统包括第一通信设备，其接收包括第一分组的第一字节流，并且基于对准限制产生第一分组的重新排列信息。 第一通信设备还通过包括第一分组和重新排列信息的数据路径发送第二字节流。 数据路径上的第一个数据包的第一个字节按照与接口关联的对齐限制进行传输。 重新排列信息识别第一分组的第一字节将被第一通信设备发送的时间与第一通信设备的对准限制的时间和第一通信设备的第一分组的第一个字节的传输时间之间的差异 具有对准限制。
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4.发明申请公开(公告)号：US20150130269A1
公开(公告)日：2015-05-14
申请号：US14076553
申请日：2013-11-11
Applicant: Cisco Technology, Inc.
Inventor： Hugh Barrass , Anoop Vetteth
CPC classification number: G06F1/266 , G01R31/041 , G06F1/26 , H02J4/00 , H04B3/02 , H04L12/10 , H04L12/40045 , Y02D30/30 , Y02D30/32
Abstract: A method for verifying interconnection of a PSE and PD with 4-pair PoE capabilities includes performing a first classification event on first and second pairs, respectively, and detecting a first predetermined class current on first and second sets of twisted pairs, respectively. The method includes performing a second classification event on first and second pairs, respectively, and detecting first and second predetermined class currents on first and second pairs, respectively. After expiration of a first variable delay period related to a first pseudo-random variable of the PSE, the method includes performing a third classification event on the first pair and detecting a first derived class current on the first pair. After expiration of a second variable delay period related to a second pseudo-random variable of the PD, the method includes performing the third classification event on the second pair and detecting a second derived class current on the second pair.
Abstract translation: 用于验证具有4对PoE能力的PSE和PD的互连的方法包括分别在第一对和第二对上执行第一分类事件，并且分别在第一组和第二组双绞线上检测第一预定类电流。 该方法包括分别在第一和第二对上执行第二分类事件，并分别检测第一和第二对上的第一和第二预定类电流。 在与PSE的第一伪随机变量相关的第一可变延迟时段期满之后，该方法包括在第一对上执行第三分类事件并检测第一对上的第一派生类电流。 在与PD的第二伪随机变量相关的第二可变延迟时段期满之后，该方法包括在第二对上执行第三分类事件并检测第二对上的第二派生类电流。
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公开(公告)号：US10554588B2
公开(公告)日：2020-02-04
申请号：US15444610
申请日：2017-02-28
Applicant: Cisco Technology, Inc.
Inventor： Jianquan Lou , Ming Chi , Haibin Tang , Zhou Yang , Jinghan Yu , Qiuhua Zhu , Joel Goergen , Hugh Barrass
IPC: G06F1/32 , H04L12/861 , G06F1/3209 , G06F1/3234 , G06F1/3225 , G06F13/16 , G06F1/3206 , G06F1/3287 , G06F9/50 , H04L12/46 , H04L12/863 , H04L29/08 , H04L12/70
Abstract: In some implementations, a method includes analyzing an amount of data communicated by a set of network interfaces. The data communicated by the set of network interfaces is processed by a set of functional units and a set of queues includes the data communicated by the set of network interfaces. The method also includes activating a first functional unit of the set of functional units when a first size of a first queue of the set of queues is above a first threshold. The method further includes deactivating the first functional unit of the set of functional units when the first size of the first queue of the set of queues is below a second threshold. The method further includes causing the data to be forward to one or more active functional units via a data interconnect coupled to the set of network interfaces and the set of functional units.
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Patent Agency Ranking
公开(公告)号：US09385929B2
公开(公告)日：2016-07-05
申请号：US13777070
申请日：2013-02-26
Applicant: Cisco Technology, Inc.
Inventor： Hugh Barrass , Roger Antoine Karam
Abstract: Provided herein are systems, methods and devices for performing droop compensation. In particular, systems, methods and devices for performing droop compensation by modifying transmit and/or receive characteristics of a magnetic device based on changing conditions are described. For example, a plurality of operating parameters or characteristics can be measured, a droop compensation capability of a link partner can be determined and transmit and/or receive characteristics of the magnetic device can be modified based on the measured operating parameters or characteristics and the determined droop compensation capability.
Abstract translation: 本文提供了用于执行下垂补偿的系统，方法和装置。 具体地，描述了通过基于变化的条件修改磁性装置的发射和/或接收特性来执行下垂补偿的系统，方法和装置。 例如，可以测量多个操作参数或特性，可以确定链路伙伴的下垂补偿能力，并且可以基于测量的操作参数或特性来修改磁性设备的发送和/或接收特性，并且确定 下垂补偿能力。
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公开(公告)号：US20140241181A1
公开(公告)日：2014-08-28
申请号：US13777070
申请日：2013-02-26
Applicant: CISCO TECHNOLOGY, INC.
Inventor： Hugh Barrass , Roger Antoine Karam
IPC: H04L12/26
Abstract: Provided herein are systems, methods and devices for performing droop compensation. In particular, systems, methods and devices for performing droop compensation by modifying transmit and/or receive characteristics of a magnetic device based on changing conditions are described. For example, a plurality of operating parameters or characteristics can be measured, a droop compensation capability of a link partner can be determined and transmit and/or receive characteristics of the magnetic device can be modified based on the measured operating parameters or characteristics and the determined droop compensation capability.
Abstract translation: 本文提供了用于执行下垂补偿的系统，方法和装置。 具体地，描述了通过基于变化的条件修改磁性装置的发射和/或接收特性来执行下垂补偿的系统，方法和装置。 例如，可以测量多个操作参数或特性，可以确定链路伙伴的下垂补偿能力，并且可以基于测量的操作参数或特性来修改磁性设备的发送和/或接收特性，并且确定 下垂补偿能力。
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公开(公告)号：US09419901B2
公开(公告)日：2016-08-16
申请号：US14074037
申请日：2013-11-07
Applicant: Cisco Technology, Inc.
Inventor： Hugh Barrass
IPC: H04L12/801 , H04L12/851
CPC classification number: H04L47/365 , H04L47/12 , H04L47/127 , H04L47/20 , H04L47/245 , H04L47/34 , H04L2212/00
Abstract: An example method for intermittent encapsulation of preemptable network traffic at a network node can include receiving a frame at the network node and determining if the frame is a preemptable frame. A preemptable frame is a frame that can be preempted, suspended, interrupted, etc. after transmission begins in order to transmit a preemptive frame. If the frame is a preemptable frame, the method can include determining if the preemptable frame satisfies a selective encapsulation rule. If the preemptable frame does not satisfy the selective encapsulation rule, the method can include transmitting the preemptable frame from the network node without encapsulation. Alternatively, if the preemptable frame satisfies the selective encapsulation rule, the method can include encapsulating and transmitting the preemptable frame from the network node. The preemptable frame can be encapsulated with a preemption header and/or a preemption trailer.
Abstract translation: 在网络节点处间歇地封装可抢占的网络业务的示例性方法可以包括在网络节点处接收帧并确定该帧是否是可抢占的帧。 可抢占的帧是在传输开始之后可以被抢占，暂停，中断等的帧，以便传送抢占帧。 如果帧是可抢占帧，则该方法可以包括确定可抢占帧是否满足选择性封装规则。 如果可抢占帧不满足选择性封装规则，则该方法可以包括从网络节点发送可抢占帧而不进行封装。 或者，如果可抢占帧满足选择性封装规则，则该方法可以包括从网络节点封装并发送可抢占帧。 可抢占的帧可以封装有抢占头和/或抢占的预告片。
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公开(公告)号：US20150124610A1
公开(公告)日：2015-05-07
申请号：US14074037
申请日：2013-11-07
Applicant: Cisco Technology, Inc.
Inventor： Hugh Barrass
IPC: H04L12/801
CPC classification number: H04L47/365 , H04L47/12 , H04L47/127 , H04L47/20 , H04L47/245 , H04L47/34 , H04L2212/00
Abstract: An example method for intermittent encapsulation of preemptable network traffic at a network node can include receiving a frame at the network node and determining if the frame is a preemptable frame. A preemptable frame is a frame that can be preempted, suspended, interrupted, etc. after transmission begins in order to transmit a preemptive frame. If the frame is a preemptable frame, the method can include determining if the preemptable frame satisfies a selective encapsulation rule. If the preemptable frame does not satisfy the selective encapsulation rule, the method can include transmitting the preemptable frame from the network node without encapsulation. Alternatively, if the preemptable frame satisfies the selective encapsulation rule, the method can include encapsulating and transmitting the preemptable frame from the network node. The preemptable frame can be encapsulated with a preemption header and/or a preemption trailer.
Abstract translation: 在网络节点处间歇地封装可抢占的网络业务的示例性方法可以包括在网络节点处接收帧并确定该帧是否是可抢占的帧。 可抢占的帧是在传输开始之后可以被抢占，暂停，中断等的帧，以便传送抢占帧。 如果帧是可抢占帧，则该方法可以包括确定可抢占帧是否满足选择性封装规则。 如果可抢占帧不满足选择性封装规则，则该方法可以包括在不封装的情况下从网络节点发送可抢占帧。 或者，如果可抢占帧满足选择性封装规则，则该方法可以包括从网络节点封装并发送可抢占帧。 可抢占的帧可以封装有抢占头和/或抢占的预告片。
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公开(公告)号：US09823720B2
公开(公告)日：2017-11-21
申请号：US15152962
申请日：2016-05-12
Applicant: Cisco Technology, Inc.
Inventor： Hugh Barrass , Anoop Vetteth
CPC classification number: G06F1/266 , G01R31/041 , G06F1/26 , H02J4/00 , H04B3/02 , H04L12/10 , H04L12/40045 , Y02D30/30 , Y02D30/32
Abstract: A method for verifying interconnection of a PSE and PD with 4-pair PoE capabilities includes performing a first classification event on first and second pairs, respectively, and detecting a first predetermined class current on first and second sets of twisted pairs, respectively. The method includes performing a second classification event on first and second pairs, respectively, and detecting first and second predetermined class currents on first and second pairs, respectively. After expiration of a first variable delay period related to a first pseudo-random variable of the PSE, the method includes performing a third classification event on the first pair and detecting a first derived class current on the first pair. After expiration of a second variable delay period related to a second pseudo-random variable of the PD, the method includes performing the third classification event on the second pair and detecting a second derived class current on the second pair.
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