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1. 发明授权

US08880856B1 Efficient arithmetic logic units 有权
标题翻译：高效的算术逻辑单元
公开(公告)号：US08880856B1
公开(公告)日：2014-11-04
申请号：US12486114
申请日：2009-06-17
申请人： Jean-Marc Frailong , Pradeep Sindhu , Jeffrey G. Libby , Jian Hui Huang , Rajesh Nair , John Keen
发明人： Jean-Marc Frailong , Pradeep Sindhu , Jeffrey G. Libby , Jian Hui Huang , Rajesh Nair , John Keen
IPC分类号： G06F15/00
CPC分类号： G06F9/28 , G06F7/57 , G06F9/30 , G06F9/3001 , G06F9/30018 , G06F9/30072 , G06F9/30145 , G06F9/3859 , G06F9/3893 , G06F15/00
摘要： A processor may include a conditional arithmetic logic unit and a main arithmetic logic unit. The conditional arithmetic logic unit may perform a first arithmetic logic operation to generate a first result, and output the result. The main arithmetic logic unit may select input buses among a plurality of data buses that carry the first result from the conditional arithmetic logic unit, perform a second arithmetic logic operation on data provided by the selected input buses to generate a second result, and write the second result in a storage component.
摘要翻译：处理器可以包括条件算术逻辑单元和主算术逻辑单元。条件算术逻辑单元可以执行第一算术逻辑运算以产生第一结果，并输出结果。主算术逻辑单元可以选择携带来自条件算术逻辑单元的第一结果的多个数据总线中的输入总线，对由所选择的输入总线提供的数据执行第二运算逻辑运算以产生第二结果，并写入第二个结果是存储组件。

2. 发明授权

US08605722B1 Deadlock-resistant fabric tree replication in a network device 有权
公开(公告)号：US08605722B1
公开(公告)日：2013-12-10
申请号：US12759850
申请日：2010-04-14
申请人： Pradeep Sindhu , Jean-Marc Frailong , Sarin Thomas , Srihari Vegesna , David J. Ofelt , Chang-Hong Wu
发明人： Pradeep Sindhu , Jean-Marc Frailong , Sarin Thomas , Srihari Vegesna , David J. Ofelt , Chang-Hong Wu
IPC分类号： H04L12/28
CPC分类号： H04L45/16 , H04L12/1863 , H04L49/201 , H04L49/90 , H04L67/1095
摘要： In general, the invention is directed to techniques for reducing deadlocks that may arise when performing fabric replication. For example, as described herein, a network device includes packet replicators that each comprises a plurality of resource partitions. A replication data structure for a packet received by the network device includes packet replicator nodes that are arranged hierarchically to occupy one or more levels of the replication data structure. Each of the resource partitions in each of the plurality of packet replicators is associated with a different level of the replication data structure. The packet replicators replicate the packet according to the replication data structure, and each of the packet replicators handles the packet using the one of the resource partitions of the packet replicator that is associated with the level of the replication data structure occupied by the node that corresponds to that particular packet replicator.

3. 发明授权

US08213308B2 Methods and apparatus for defining a flow control signal related to a transmit queue 有权
标题翻译：用于定义与发送队列相关的流控制信号的方法和装置
公开(公告)号：US08213308B2
公开(公告)日：2012-07-03
申请号：US12558118
申请日：2009-09-11
申请人： Avanindra Godbole , Arghajit Basu , Jean-Marc Frailong , Abhijeet Sampatrao Jadav , Naveen Jain , Pradeep Sindhu
发明人： Avanindra Godbole , Arghajit Basu , Jean-Marc Frailong , Abhijeet Sampatrao Jadav , Naveen Jain , Pradeep Sindhu
IPC分类号： H04L1/00
CPC分类号： H04L49/9078 , H04L47/12 , H04L47/26 , H04L47/30 , H04L47/52
摘要： In one embodiment, a processor-readable medium can store code representing instructions that when executed by a processor cause the processor to receive a value representing a congestion level of a receive queue and a value representing a state of a transmit queue. At least a portion of the transmit queue can be defined by a plurality of packets addressed to the receive queue. A rate value for the transmit queue can be defined based on the value representing the congestion level of the receive queue and the value representing the state of the transmit queue. The processor-readable medium can store code representing instructions that when executed by the processor cause the processor to define a suspension time value for the transmit queue based on the value representing the congestion level of the receive queue and the value representing the state of the transmit queue.
摘要翻译：在一个实施例中，处理器可读介质可以存储表示当由处理器执行时指示处理器接收表示接收队列的拥塞级别的值的代码和表示发送队列的状态的值的代码。发送队列的至少一部分可以由寻址到接收队列的多个分组来定义。可以基于表示接收队列的拥塞级别的值和表示发送队列状态的值来定义传输队列的速率值。处理器可读介质可以存储表示指令的代码，当处理器执行时，该处理器使得处理器基于表示接收队列的拥塞级别的值和发送的状态的值来定义发送队列的暂停时间值队列。

4. 发明申请

US20110011562A1 FRONT-TO-BACK COOLING SYSTEM FOR MODULAR SYSTEMS WITH ORTHOGONAL MIDPLANE CONFIGURATION 有权
标题翻译：具有正交中间配置的模块化系统的前后冷却系统
公开(公告)号：US20110011562A1
公开(公告)日：2011-01-20
申请号：US12889111
申请日：2010-09-23
申请人： Gunes Aybay , Pradeep Sindhu , Jean-Marc Frailong , David J. Lima
发明人： Gunes Aybay , Pradeep Sindhu , Jean-Marc Frailong , David J. Lima
IPC分类号： F28F13/00
CPC分类号： H05K7/20563
摘要： A front-to-back cooling system allows cooling of an apparatus containing two orthogonal sets of modules. Each set of modules is independently cooled. A vertical set of modules is cooled with vertical air flow across the modules that enters from a front of the apparatus and exhausts from a back of the apparatus. A horizontal set of modules is cooled with horizontal front-to-back air flow. When the horizontal set of modules is at the front of the apparatus, a plenum extending exterior to the vertical set of modules allows exhausting horizontally flowing air to the rear of the apparatus. When the horizontal set of modules is at the rear of the apparatus, a plenum extending exterior to the vertical set of modules allows moving air from the front of the apparatus to a chamber holding the horizontal modules.
摘要翻译：从前到后的冷却系统允许冷却包含两组正交模块的设备。每组模块独立冷却。一组垂直的模块被冷却，横跨模块的垂直空气流，从模块的前部进入并从设备的后部排出。水平的一组模块用水平的前后气流冷却。当水平的模块组件位于设备的前部时，在垂直组件模块外部延伸的增压室允许将水平流动的空气排出到设备的后部。当水平的模块组件位于设备的后部时，在垂直组件模块外部延伸的增压室允许将空气从设备的前部移动到保持水平模块的室。

5. 发明申请

US20100165983A1 SYSTEM ARCHITECTURE FOR A SCALABLE AND DISTRIBUTED MULTI-STAGE SWITCH FABRIC 有权
标题翻译：用于可扩展和分布式多级开关织物的系统架构
公开(公告)号：US20100165983A1
公开(公告)日：2010-07-01
申请号：US12345500
申请日：2008-12-29
申请人： Gunes Aybay , Jaya Bandyopadhyay , Jean-Marc Frailong , Pradeep Sindhu , Philip A. Thomas , Anjan Venkatramani
发明人： Gunes Aybay , Jaya Bandyopadhyay , Jean-Marc Frailong , Pradeep Sindhu , Philip A. Thomas , Anjan Venkatramani
IPC分类号： H04Q9/02
CPC分类号： H04L49/40 , H04L49/00 , H04L49/1515
摘要： In some embodiments, an apparatus includes a first housing, a second housing and at least one cable. The first housing includes a first interface card of a switch fabric. The second housing includes a second interface card of the switch fabric and a third interface card of the switch fabric. The second interface card of the switch fabric is operatively and physically coupled to the third interface card of the switch fabric via a midplane. The second interface card defines a plane that is nonparallel to the a plane defined by the third interface card and a plane defined by the midplane. The plane defined by the third interface card is nonparallel to the plane defined by the second interface card and the plane defined by the midplane. The cable is configured to operatively couple the first interface card to the second interface card.
摘要翻译：在一些实施例中，装置包括第一壳体，第二壳体和至少一个电缆。第一壳体包括交换结构的第一接口卡。第二壳体包括交换结构的第二接口卡和交换结构的第三接口卡。交换结构的第二接口卡经由中间平面操作和物理地耦合到交换结构的第三接口卡。第二接口卡限定了与第三接口卡所定义的平面不平行的平面和由中平面限定的平面。由第三接口卡定义的平面与由第二接口卡定义的平面和由中平面限定的平面不平行。电缆被配置为将第一接口卡可操作地耦合到第二接口卡。

6. 发明申请

US20100061242A1 METHODS AND APPARATUS RELATED TO A FLEXIBLE DATA CENTER SECURITY ARCHITECTURE 有权
标题翻译：与灵活数据中心安全架构相关的方法和装置
公开(公告)号：US20100061242A1
公开(公告)日：2010-03-11
申请号：US12558126
申请日：2009-09-11
申请人： Pradeep Sindhu , Gunes Aybay , Jean-Marc Frailong , Anjan Venkatramani , Quaizar Vohra
发明人： Pradeep Sindhu , Gunes Aybay , Jean-Marc Frailong , Anjan Venkatramani , Quaizar Vohra
IPC分类号： H04L12/24 , H04L12/50
CPC分类号： H04L49/30 , H04L41/0806 , H04L41/0846 , H04L49/257 , H04L49/35 , H04L49/356 , H04L63/101
摘要： In one embodiment, edge devices can be configured to be coupled to a multi-stage switch fabric and peripheral processing devices. The edge devices and the multi-stage switch fabric can collectively define a single logical entity. A first edge device from the edge devices can be configured to be coupled to a first peripheral processing device from the peripheral processing devices. The second edge device from the edge devices can be configured to be coupled to a second peripheral processing device from the peripheral processing devices. The first edge device can be configured such that virtual resources including a first virtual resource can be defined at the first peripheral processing device. A network management module coupled to the edge devices and configured to provision the virtual resources such that the first virtual resource can be migrated from the first peripheral processing device to the second peripheral processing device.
摘要翻译：在一个实施例中，边缘设备可被配置为耦合到多级交换结构和外围处理设备。边缘设备和多级交换结构可以共同定义单个逻辑实体。来自边缘设备的第一边缘设备可以被配置为从外围处理设备耦合到第一外围处理设备。来自边缘设备的第二边缘设备可以被配置为从外围处理设备耦合到第二外围处理设备。第一边缘设备可以被配置为使得可以在第一外围处理设备处定义包括第一虚拟资源的虚拟资源。网络管理模块，其耦合到所述边缘设备并且被配置为提供所述虚拟资源，使得所述第一虚拟资源可以从所述第一外围处理设备迁移到所述第二外围处理设备。

7. 发明申请

US20100061238A1 METHODS AND APPARATUS FOR FLOW CONTROL ASSOCIATED WITH MULTI-STAGED QUEUES 有权
标题翻译：与多阶段队列相关的流量控制的方法和装置
公开(公告)号：US20100061238A1
公开(公告)日：2010-03-11
申请号：US12242224
申请日：2008-09-30
申请人： Avanindra Godbole , Pradeep Sindhu , Jean-Marc Frailong
发明人： Avanindra Godbole , Pradeep Sindhu , Jean-Marc Frailong
IPC分类号： H04L12/56
CPC分类号： H04L47/30 , H04L47/10 , H04L47/11 , H04L47/26 , H04L47/263 , H04L47/266 , H04L47/50 , H04L47/60 , H04L49/505 , H04L49/90
摘要： In one embodiment, a method, comprising receiving at a receive side of a physical link a request to suspend transmission of data from a queue within a transmit side of a first stage of queues and to suspend transmission via a path including the physical link, a portion of the first stage of queues, and a portion of a second stage of queues. The method includes sending, in response to the request, a flow control signal to a flow control module configured to schedule transmission of the data from the queue within the transmit side of the first stage of queues. The flow control signal is associated with a first control loop including the path and differing from a second control loop that excludes the first stage of queues.
摘要翻译：在一个实施例中，一种方法，包括在物理链路的接收侧接收暂停从队列的第一级的发送侧内的队列传输数据的请求，并且经由包括所述物理链路的路径暂停发送，队列的第一阶段的部分和队列的第二阶段的一部分。该方法包括响应于该请求向流控制模块发送流控制信号，该流控制模块被配置为调度在队列的第一级的发送侧内的队列的数据传输。流控制信号与包括路径的第一控制回路相关联，并且与排除第一级队列的第二控制循环不同。

8. 发明授权

US09331929B1 Methods and apparatus for randomly distributing traffic in a multi-path switch fabric 有权
标题翻译：在多路径交换矩阵中随机分配流量的方法和装置
公开(公告)号：US09331929B1
公开(公告)日：2016-05-03
申请号：US13433960
申请日：2012-03-29
申请人： Philip A. Thomas , Sarin Thomas , Jean-Marc Frailong , Pradeep Sindhu
发明人： Philip A. Thomas , Sarin Thomas , Jean-Marc Frailong , Pradeep Sindhu
IPC分类号： H04J3/06 , H04L12/26 , H04L12/755
CPC分类号： H04L43/50 , H04L43/0817 , H04L43/16 , H04L45/021 , H04L49/1515 , H04L49/1523
摘要： At a first time, a schedule module is configured to access a list of status indicators associated with a group of egress port indicators. The list of status indicators includes a set of status indicators each of which has a value greater than a threshold. The schedule module is configured to randomly select a status indicator from the set of status indicators and configured to reduce the value of the selected status indicator. The schedule module is then configured to send the egress port indicator associated with the selected status indicator such that a data cell is sent from an egress port associated with that egress port indicator. At a second time, when the value of every status indicator from the list of status indicators is not greater than the threshold, the schedule module is configured to increase the value of every status indicator above the threshold.
摘要翻译：在第一时间，调度模块被配置为访问与一组出口端口指示符相关联的状态指示符的列表。状态指示器的列表包括一组状态指示器，每个状态指示器的值大于阈值。调度模块被配置为从状态指示符集中随机选择状态指示符并且被配置为减少所选状态指示符的值。然后，调度模块被配置为发送与所选状态指示符相关联的出口端口指示符，使得从与该出口端口指示符相关联的出口端口发送数据信元。第二次，当状态指示器列表中的每个状态指示符的值不大于阈值时，调度模块被配置为将每个状态指示符的值增加到阈值以上。

9. 发明授权

US08964556B2 Methods and apparatus for flow-controllable multi-staged queues 有权
标题翻译：流量可控的多级队列的方法和装置
公开(公告)号：US08964556B2
公开(公告)日：2015-02-24
申请号：US13544604
申请日：2012-07-09
申请人： Avanindra Godbole , Pradeep Sindhu , Jean-Marc Frailong
发明人： Avanindra Godbole , Pradeep Sindhu , Jean-Marc Frailong
IPC分类号： H04L12/26 , H04L12/801 , H04L12/54 , H04L12/825 , H04L12/869 , H04L12/835 , H04L12/861 , H04L12/931
CPC分类号： H04L47/30 , H04L47/10 , H04L47/11 , H04L47/26 , H04L47/263 , H04L47/266 , H04L47/50 , H04L47/60 , H04L49/505 , H04L49/90
摘要： In one embodiment, a method includes sending a first flow control signal to a first stage of transmit queues when a receive queue is in a congestion state. The method also includes sending a second flow control signal to a second stage of transmit queues different from the first stage of transmit queues when the receive queue is in the congestion state.
摘要翻译：在一个实施例中，一种方法包括当接收队列处于拥塞状态时，向发射队列的第一级发送第一流控制信号。该方法还包括当接收队列处于拥塞状态时，将第二流控制信号发送到与发送队列的第一级不同的发送队列的第二级。

10. 发明授权

US08811163B2 Methods and apparatus for flow control associated with multi-staged queues 有权
标题翻译：与多级队列相关联的流控制的方法和装置
公开(公告)号：US08811163B2
公开(公告)日：2014-08-19
申请号：US13441083
申请日：2012-04-06
申请人： Avanindra Godbole , Pradeep Sindhu , Jean-Marc Frailong
发明人： Avanindra Godbole , Pradeep Sindhu , Jean-Marc Frailong
IPC分类号： H04L12/24 , H04L12/56
CPC分类号： H04L47/30 , H04L47/10 , H04L47/11 , H04L47/26 , H04L47/263 , H04L47/266 , H04L47/50 , H04L47/60 , H04L49/505 , H04L49/90
摘要： In one embodiment, a method, comprising receiving at a receive side of a physical link a request to suspend transmission of data from a queue within a transmit side of a first stage of queues and to suspend transmission via a path including the physical link, a portion of the first stage of queues, and a portion of a second stage of queues. The method includes sending, in response to the request, a flow control signal to a flow control module configured to schedule transmission of the data from the queue within the transmit side of the first stage of queues. The flow control signal is associated with a first control loop including the path and differing from a second control loop that excludes the first stage of queues.
摘要翻译：在一个实施例中，一种方法，包括在物理链路的接收侧接收暂停从队列的第一级的发送侧内的队列传输数据的请求，并且经由包括所述物理链路的路径暂停发送，队列的第一阶段的部分和队列的第二阶段的一部分。该方法包括响应于该请求向流控制模块发送流控制信号，该流控制模块被配置为调度在队列的第一级的发送侧内的队列的数据传输。流控制信号与包括路径的第一控制回路相关联，并且与排除第一级队列的第二控制循环不同。

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