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11. 发明申请

US20120045206A1 MULTI-CHASSIS ROUTER WITH MULTIPLEXED OPTICAL INTERCONNECTS 有权
标题翻译：具有多路光纤互联的多路由路由器
公开(公告)号：US20120045206A1
公开(公告)日：2012-02-23
申请号：US13284514
申请日：2011-10-28
申请人： Pradeep Sindhu
发明人： Pradeep Sindhu
IPC分类号： H04J14/00
CPC分类号： H04J14/0227 , H04J14/0241 , H04J14/0257 , H04J14/0267 , H04J14/028 , H04L45/62 , H04L49/101 , H04L49/102 , H04L49/25 , H04L49/40 , H04Q11/0005 , H04Q2011/0039 , H04Q2011/0052
摘要： A multi-chassis network device includes a plurality of nodes that operate as a single device within the network and a switch fabric that forwards data plane packets between the plurality of nodes. The switch fabric includes a set of multiplexed optical interconnects coupling the nodes. For example, a multi-chassis router includes a plurality of routing nodes that operate as a single router within a network and a switch fabric that forwards packets between the plurality of routing nodes. The switch fabric includes at least one multiplexed optical interconnect coupling the routing nodes. The nodes of the multi-chassis router may direct portions of the optical signal over the multiplexed optical interconnect to different each other using wave-division multiplexing.
摘要翻译：多机箱网络设备包括作为网络内的单个设备操作的多个节点以及在多个节点之间转发数据平面分组的交换结构。交换结构包括耦合节点的一组复用光互连。例如，多机架路由器包括多个路由节点，其在网络内作为单个路由器运行，并且交换结构在多个路由节点之间转发分组。交换结构包括耦合路由节点的至少一个复用光互连。多机架式路由器的节点可以使用波分复用将多路复用光互连上的光信号的部分引导到彼此不同。

12. 发明授权

US08089861B1 Data verification using signature 有权
标题翻译：使用签名数据验证
公开(公告)号：US08089861B1
公开(公告)日：2012-01-03
申请号：US12143064
申请日：2008-06-20
申请人： Rami Rahim , Pradeep Sindhu
发明人： Rami Rahim , Pradeep Sindhu
IPC分类号： H04L9/30
CPC分类号： H04L63/123
摘要： A system processes packets in a network device and includes a memory for buffering the packets. The memory may store the packets in memory in data cells. To expedite packet processing, portions of the packet are extracted and placed in a notification, which is then used for packet processing operations, such as route lookup, policing, and accounting. The notification may also include address elements, such as address offsets, that define the locations of the data cells in memory. The address elements can be used to read the data cells from the memory when packet processing is done. If the notification cannot hold all the address elements, additional cells, indirect cells, are created for holding the remaining address elements. The indirect cells are formed in a linked list. The notification contains an address element. To prevent reading incorrect indirect cells, each indirect cell is written with a signature that is created based on the notification. When an indirect cell is read out, the signature is checked to determine whether it belongs to that notification. If the signature is not correct, this may mean that the indirect cell has not yet been written to memory, or that the indirect cell was in some way corrupted during writing, storing, or reading.
摘要翻译：系统处理网络设备中的分组，并且包括用于缓冲分组的存储器。存储器可以将数据包存储在数据单元中。为了加快分组处理，分组的部分被提取并放置在通知中，然后用于诸如路由查找，管理和计费之类的分组处理操作。通知还可以包括定义存储器中的数据单元的位置的地址元素，例如地址偏移。当数据包处理完成时，地址元素可用于从存储器读取数据单元。如果通知不能容纳所有地址元素，则创建附加单元格，间接单元格以保留剩余的地址单元。间接细胞在链表中形成。通知包含地址元素。为了防止读取不正确的间接单元格，每个间接单元都将使用基于通知创建的签名进行写入。当读取间接单元时，检查签名以确定它是否属于该通知。如果签名不正确，这可能意味着间接单元格尚未写入存储器，或间接单元格在写入，存储或读取期间以某种方式损坏。

13. 发明授权

US08072998B2 Systems and methods for congestion control using random early drop at head of buffer 有权
标题翻译：拥塞控制的系统和方法使用缓冲区头部的随机早期丢弃
公开(公告)号：US08072998B2
公开(公告)日：2011-12-06
申请号：US12635547
申请日：2009-12-10
申请人： Pradeep Sindhu , Debashis Basu , Sreeram Veeragandham , Jayabharat Boddu , Thomas Michael Skibo
发明人： Pradeep Sindhu , Debashis Basu , Sreeram Veeragandham , Jayabharat Boddu , Thomas Michael Skibo
IPC分类号： H04L12/56
CPC分类号： H04L47/10 , H04L47/12 , H04L47/32
摘要： A system selectively drops data from a queue. The system includes queues that temporarily store data, a dequeue engine that dequeues data from the queues, and a drop engine that operates independently from the dequeue engine. The drop engine selects one of the queues to examine, determines whether to drop data from a head of the examined queue, and marks the data based on a result of the determination.
摘要翻译：系统有选择地从队列中删除数据。该系统包括临时存储数据的队列，将数据从队列中排队的出队引擎，以及独立于出队引擎运行的丢弃引擎。丢弃引擎选择要检查的一个队列，确定是否从检查队列的头部丢弃数据，并根据确定的结果标记数据。

14. 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。

15. 发明申请

US20100172363A1 SYSTEMS AND METHODS FOR CONGESTION CONTROL USING RANDOM EARLY DROP AT HEAD OF BUFFER 有权
标题翻译：使用缓冲器头部随机早期丢弃进行控制的系统和方法
公开(公告)号：US20100172363A1
公开(公告)日：2010-07-08
申请号：US12635547
申请日：2009-12-10
申请人： Pradeep Sindhu , Dabashis Basu , Sreeram Veeragandham , Jayabharat Boddu , Thomas Michael Skibo
发明人： Pradeep Sindhu , Dabashis Basu , Sreeram Veeragandham , Jayabharat Boddu , Thomas Michael Skibo
IPC分类号： H04L12/56
CPC分类号： H04L47/10 , H04L47/12 , H04L47/32
摘要： A system selectively drops data from a queue. The system includes queues that temporarily store data, a dequeue engine that dequeues data from the queues, and a drop engine that operates independently from the dequeue engine. The drop engine selects one of the queues to examine, determines whether to drop data from a head of the examined queue, and marks the data based on a result of the determination.
摘要翻译：系统有选择地从队列中删除数据。该系统包括临时存储数据的队列，将数据从队列中排队的出队引擎，以及独立于出队引擎运行的丢弃引擎。丢弃引擎选择要检查的一个队列，确定是否从检查队列的头部丢弃数据，并根据确定的结果标记数据。

16. 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。

17. 发明授权

US07680050B1 Distributed admission control 有权
标题翻译：分布式准入控制
公开(公告)号：US07680050B1
公开(公告)日：2010-03-16
申请号：US10681259
申请日：2003-10-09
申请人： Pradeep Sindhu
发明人： Pradeep Sindhu
IPC分类号： G08C15/00
CPC分类号： H04L43/0852 , H04L5/0058 , H04L43/0829 , H04L47/70 , H04L47/726 , H04L47/743 , H04L47/745 , H04L47/783 , H04L47/801 , H04L47/822
摘要： A first network client requests initiation of a data transfer with a second network client. An admission control facility (ACF) responds to the initiation request by performing admission analysis to determine whether to initiate the data transfer. The ACF sends one or more packets to the second network client. In response, the second network client sends acknowledgment packets back to the ACF. The ACF performs admission analysis based on the packets sent and the acknowledgment packets, and determines whether the data transfer should be initiated based on the analysis. The admission analysis may be based on a variety of factors, such as the average time to receive an acknowledgment for each packet, the variance of the time to receive an acknowledgment for each packet, a combination of these factors, or a combination of these and other factors.
摘要翻译：第一网络客户端请求与第二网络客户端发起数据传输。准入控制设备（ACF）通过执行准入分析来响应发起请求，以确定是否启动数据传输。 ACF向第二个网络客户端发送一个或多个数据包。作为响应，第二网络客户端将确认分组发送回ACF。 ACF根据发送的分组和确认分组进行准入分析，并根据分析确定是否应启动数据传输。录入分析可以基于各种因素，例如接收每个分组的确认的平均时间，接收每个分组的确认时间的方差，这些因素的组合，或这些因素的组合其他因素。

18. 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。

19. 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。

20. 发明申请

US20080044181A1 MULTI-CHASSIS ROUTER WITH MULTIPLEXED OPTICAL INTERCONNECTS 有权
标题翻译：具有多路光纤互联的多路由路由器
公开(公告)号：US20080044181A1
公开(公告)日：2008-02-21
申请号：US11832342
申请日：2007-08-01
申请人： Pradeep Sindhu
发明人： Pradeep Sindhu
IPC分类号： H04J14/00
CPC分类号： H04J14/0227 , H04J14/0241 , H04J14/0257 , H04J14/0267 , H04J14/028 , H04L45/62 , H04L49/101 , H04L49/102 , H04L49/25 , H04L49/40 , H04Q11/0005 , H04Q2011/0039 , H04Q2011/0052
摘要： A multi-chassis network device includes a plurality of nodes that operate as a single device within the network and a switch fabric that forwards data plane packets between the plurality of nodes. The switch fabric includes a set of multiplexed optical interconnects coupling the nodes. For example, a multi-chassis router includes a plurality of routing nodes that operate as a single router within a network and a switch fabric that forwards packets between the plurality of routing nodes. The switch fabric includes at least one multiplexed optical interconnect coupling the routing nodes. The nodes of the multi-chassis router may direct portions of the optical signal over the multiplexed optical interconnect to different each other using wave-division multiplexing.
摘要翻译：多机箱网络设备包括作为网络内的单个设备操作的多个节点以及在多个节点之间转发数据平面分组的交换结构。交换结构包括耦合节点的一组复用光互连。例如，多机架路由器包括多个路由节点，其在网络内作为单个路由器运行，并且交换结构在多个路由节点之间转发分组。交换结构包括耦合路由节点的至少一个复用光互连。多机架式路由器的节点可以使用波分复用将多路复用光互连上的光信号的部分引导到彼此不同。

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