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41. 发明授权

US08958420B1 Methods and apparatus for virtualizing switch control plane engine 有权
标题翻译：虚拟化开关控制平面引擎的方法和装置
公开(公告)号：US08958420B1
公开(公告)日：2015-02-17
申请号：US13435919
申请日：2012-03-30
申请人： Ravi Shekhar , Quaizar Vohra , Michael O'Gorman , Aleksandar Ratkovic , Jean-Marc Frailong , Shesha Sreenivasamurthy
发明人： Ravi Shekhar , Quaizar Vohra , Michael O'Gorman , Aleksandar Ratkovic , Jean-Marc Frailong , Shesha Sreenivasamurthy
IPC分类号： H04L12/24 , H04L12/50
CPC分类号： G06F9/45558 , G06F2009/4557 , G06F2009/45595 , H04L12/4641 , H04L12/50 , H04L41/0896 , H04L49/25
摘要： In some embodiments, an apparatus includes a scheduler disposed at a control device of a switch fabric system. The scheduler is configured to receive a control plane request associated with the switch fabric system having a data plane and a control plane separate from the data plane. The scheduler is configured to designate a control plane entity based on the control plane request and state information of each control plane entity from a set of control plane entities associated with the control plane and instantiated as a virtual machine. The scheduler is configured to send a signal to a compute device of the switch fabric system in response to the control plane request such that the control plane entity is instantiated as a virtual machine at the compute device.
摘要翻译：在一些实施例中，装置包括设置在交换结构系统的控制设备处的调度器。调度器被配置为接收与具有与数据平面分离的数据平面和控制平面的交换结构系统相关联的控制平面请求。调度器被配置为基于来自与控制平面相关联并被实例化为虚拟机的一组控制平面实体的控制平面请求和每个控制平面实体的状态信息来指定控制平面实体。调度器被配置为响应于控制平面请求将信号发送到交换结构系统的计算设备，使得控制平面实体被实例化为计算设备处的虚拟机。

42. 发明授权

US08730954B2 Methods and apparatus related to any-to-any connectivity within a data center 有权
标题翻译：与数据中心内的任何连接相关的方法和设备
公开(公告)号：US08730954B2
公开(公告)日：2014-05-20
申请号：US12495337
申请日：2009-06-30
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： H04Q11/00 , H04Q3/68 , H04L12/56
CPC分类号： H04Q3/68 , H04L49/1515 , H04L49/1523 , H04L49/153 , H04L49/254 , H04L49/351 , H04L49/40 , H04L49/70
摘要： In one embodiment, an apparatus includes a switch core that defines a single logical entity and has a multi-stage switch fabric physically distributed across a plurality of chassis. The multi-stage switch fabric has a plurality of ingress ports and a plurality of egress ports. The switch core is configured to be coupled to a plurality of peripheral processing devices via the plurality of ingress ports and the plurality of egress ports. The switch core is also configured to provide non-blocking connectivity at line rate between a first peripheral processing device disposed with a first chassis and a second peripheral processing device disposed within a second chassis.
摘要翻译：在一个实施例中，设备包括交换机核心，其定义单个逻辑实体并且具有物理上分布在多个机箱上的多级交换机结构。多级交换结构具有多个入口和多个出口。交换机核心被配置为经由多个入口端口和多个出口端口耦合到多个外围处理设备。交换机核心还被配置为在布置在第一机架的第一外围处理设备与设置在第二机架内的第二外围处理设备之间的线路速率下提供非阻塞连接。

43. 发明申请

US20140003433A1 METHODS AND APPARATUS FOR PROVIDING SERVICES IN DISTRIBUTED SWITCH 审中-公开
标题翻译：在分布式交换机中提供服务的方法和装置
公开(公告)号：US20140003433A1
公开(公告)日：2014-01-02
申请号：US13538344
申请日：2012-06-29
申请人： Krishna Narayanaswamy , Jean-Marc Frailong , Anjan Venkatramani , Srinivasan Jagannadhan
发明人： Krishna Narayanaswamy , Jean-Marc Frailong , Anjan Venkatramani , Srinivasan Jagannadhan
IPC分类号： H04L12/56
CPC分类号： H04L49/355 , H04L67/327
摘要： In some embodiments, a non-transitory processor-readable medium stores code representing instructions to be executed by a processor. The code causes the processor to receive, from a source peripheral processing device, a portion of a data packet having a destination address associated with a destination peripheral processing device. The code causes the processor to identify, based on the destination address, a service to be performed on the portion of the data packet. The code causes the processor to select, based on the service, an identifier of a service module associated with the service. The code further causes the processor to send the portion of the data packet to the service module via a distributed switch fabric such that the service module performs the service on the portion of the data packet and sends the portion of the data packet to the destination peripheral processing device via the distributed switch fabric.
摘要翻译：在一些实施例中，非暂时处理器可读介质存储表示要由处理器执行的指令的代码。代码使得处理器从源外围处理设备接收具有与目的地外围设备处理设备相关联的目的地地址的数据分组的一部分。代码使得处理器基于目的地地址来识别要在数据分组的部分上执行的服务。代码使得处理器基于该服务来选择与服务相关联的服务模块的标识符。该代码还使得处理器经由分布式交换结构将数据分组的一部分发送到服务模块，使得服务模块在数据分组的一部分上执行服务，并将数据分组的一部分发送到目的地外设处理设备通过分布式交换结构。

44. 发明授权

US08335213B2 Methods and apparatus related to low latency within a data center 有权
标题翻译：与数据中心内的低延迟相关的方法和设备
公开(公告)号：US08335213B2
公开(公告)日：2012-12-18
申请号：US12495358
申请日：2009-06-30
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： H04Q11/00
CPC分类号： H04L49/602 , H04L49/1515 , H04L49/351 , H04L49/357
摘要： In one embodiment, an apparatus includes a switch core that has a multi-stage switch fabric. The multi-stage switch fabric has a set of ingress ports and a set of egress ports. The switch core can be configured to be coupled to a set of edge devices via the set of ingress ports and the set of egress ports. The switch core can be configured to receive a packet from an ingress port from the set of ingress ports. The switch core can be configured to send a set of cells associated with the packet from the ingress port to an egress port from the set of egress ports without a store-and-forward delay associated with a zero-load latency for the switch core.
摘要翻译：在一个实施例中，一种装置包括具有多级交换结构的交换机核心。多级交换结构具有一组入口端口和一组出口端口。交换机核心可以被配置为经由一组入口端口和出口端口组来耦合到一组边缘设备。交换机核心可以配置为从入口端口的一组入口端口接收数据包。交换机核心可以被配置为将来自入口端口的与分组相关联的一组小区从出口端口发送到出口端口，而没有与交换机核心的零负载延迟相关联的存储转发延迟。

45. 发明申请

US20120275307A1 METHODS AND APPARATUS FOR FLOW-CONTROLLABLE MULTI-STAGED QUEUES 有权
标题翻译：流量可控多阶段队列的方法和装置
公开(公告)号：US20120275307A1
公开(公告)日：2012-11-01
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： H04L12/24
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。

46. 发明授权

US08154996B2 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：US08154996B2
公开(公告)日：2012-04-10
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： H04L12/24
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。

47. 发明授权

US08120912B2 Front-to-back cooling system for modular systems with orthogonal midplane configuration 有权
标题翻译：具有正交中平面配置的模块化系统的前后冷却系统
公开(公告)号：US08120912B2
公开(公告)日：2012-02-21
申请号：US12889111
申请日：2010-09-23
申请人： Gunes Aybay , Sindhu Pradeep , Jean-Marc Frailong , David J. Lima
发明人： Gunes Aybay , Sindhu Pradeep , Jean-Marc Frailong , David J. Lima
IPC分类号： H05K7/20
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。

48. 发明授权

US08040901B1 Packet queueing within ring networks 有权
标题翻译：环网内的数据包排队
公开(公告)号：US08040901B1
公开(公告)日：2011-10-18
申请号：US12360609
申请日：2009-01-27
申请人： Kireeti Kompella , Pradeep Sindhu , Jean-Marc Frailong , David J. Ofelt
发明人： Kireeti Kompella , Pradeep Sindhu , Jean-Marc Frailong , David J. Ofelt
IPC分类号： H04L12/28
CPC分类号： H04L12/5693 , H04L12/437 , H04L47/10 , H04L47/50
摘要： In general, techniques are described for packet queuing within ring networks. In accordance with the techniques, a network device of a ring network comprises a memory having a different queue for each order-dependent pair of the network devices. Each pair represents a different order-dependent combination of the network devices that includes an ingress network device that provides an ingress to the ring network and an egress network device that provides an egress from the ring network. The network device further comprises an interface for receiving a packet from a neighboring one of the plurality of network devices and a control unit that, in response to receiving the packet, stores the packet to one of the queues based on which network devices is the ingress and which network device is the egress for the packet. The control unit forwards the stored packet via the ring network according to a scheduling algorithm.
摘要翻译：一般来说，技术描述为环形网络内的数据包排队。根据这些技术，环形网络的网络设备包括具有针对网络设备的每个顺序依赖对的不同队列的存储器。每对代表网络设备的不同顺序组合，其包括向环网提供入口的入口网络设备和从环网提供出口的出口网络设备。所述网络设备还包括用于从所述多个网络设备中的相邻的一个网络设备接收分组的接口和响应于接收到所述分组而将所述分组存储到所述队列中的一个基于哪个网络设备是所述入口的控制单元哪个网络设备是分组的出口。控制单元根据调度算法经由环网转发存储的分组。

49. 发明授权

US07961734B2 Methods and apparatus related to packet classification associated with a multi-stage switch 有权
标题翻译：与多级开关相关的分组分类相关的方法和装置
公开(公告)号：US07961734B2
公开(公告)日：2011-06-14
申请号：US12242168
申请日：2008-09-30
申请人： Ramesh Panwar , Deepak Goel , Srinivasan Jagannadhan , Jean-Marc Frailong
发明人： Ramesh Panwar , Deepak Goel , Srinivasan Jagannadhan , Jean-Marc Frailong
IPC分类号： H04L12/28
CPC分类号： H04L45/00 , H04L45/12 , H04L49/1515 , H04L49/503
摘要： In one embodiment, an apparatus can include a policy vector module configured to retrieve a compressed policy vector based on a portion of a data packet received at a multi-stage switch. The apparatus can also include a decompression module configured to receive the compressed policy vector and configured to define a decompressed policy vector based on the compressed policy vector. The decompressed policy vector can define a combination of bit values associated with a policy.
摘要翻译：在一个实施例中，装置可以包括策略向量模块，其被配置为基于在多级交换机处接收到的数据分组的一部分来检索压缩策略向量。该装置还可以包括解压缩模块，其被配置为接收压缩的策略向量并且被配置为基于压缩的策略向量来定义解压缩的策略向量。解压缩的策略向量可以定义与策略相关联的比特值的组合。

50. 发明申请

US20110011567A1 FRONT-TO-BACK COOLING SYSTEM FOR MODULAR SYSTEMS WITH ORTHOGONAL MIDPLANE CONFIGURATION 有权
公开(公告)号：US20110011567A1
公开(公告)日：2011-01-20
申请号：US12889075
申请日：2010-09-23
申请人： Gunes Aybay , Sindhu Pradeep , Jean-Marc Frailong , David J. Lima
发明人： Gunes Aybay , Sindhu Pradeep , Jean-Marc Frailong , David J. Lima
IPC分类号： G06F1/20
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.

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