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61. 发明授权

US10097481B2 Methods and apparatus for providing services in distributed switch 有权
公开(公告)号：US10097481B2
公开(公告)日：2018-10-09
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： H04L12/28 , H04L12/931 , H04L29/08
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.

62. 发明授权

US08958432B2 Methods and apparatus related to a flexible data center security architecture 有权
标题翻译：与灵活的数据中心安全架构相关的方法和设备
公开(公告)号：US08958432B2
公开(公告)日：2015-02-17
申请号：US13608799
申请日：2012-09-10
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： H04L12/70 , H04L12/24 , H04L12/947 , H04L12/931
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。

63. 发明授权

US08804711B2 Methods and apparatus related to a modular switch architecture 有权
标题翻译：与模块化交换架构相关的方法和设备
公开(公告)号：US08804711B2
公开(公告)日：2014-08-12
申请号：US12345502
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： H04L12/58 , H04L12/56
CPC分类号： H04L49/15 , H04L49/10 , H04L49/45
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。

64. 发明授权

US08755396B2 Methods and apparatus related to flow control within a data center switch fabric 失效
标题翻译：与数据中心交换机结构中的流量控制有关的方法和设备
公开(公告)号：US08755396B2
公开(公告)日：2014-06-17
申请号：US12495361
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： H04L12/28
CPC分类号： H04L49/505 , H04L47/10 , H04L47/127 , H04L47/26 , H04L49/00 , H04L49/1515 , H04L49/356 , H04L49/508 , H04L49/90 , H04L49/901 , H04L49/9057
摘要： In one embodiment, an apparatus includes a switch core that has a multi-stage switch fabric physically distributed among a set of chassis. The multi-stage switch fabric has a set of input buffers and a set of output ports. The switch core can be configured to be coupled to a set of edge devices. The apparatus can also include a controller implemented in hardware without software during operation and with software during configuration and monitoring. The controller can be coupled to the set of input buffers and the set of output ports. The controller can be configured to send a flow control signal to an input buffer from the set of input buffers when congestion at an output port from the set of output ports is predicted and before congestion in the switch core occurs.
摘要翻译：在一个实施例中，装置包括交换机核心，其具有物理上分布在一组机箱中的多级交换机结构。多级交换结构具有一组输入缓冲器和一组输出端口。交换机核心可以被配置为耦合到一组边缘设备。该装置还可以包括在操作期间以软件实现的控制器，并且在配置和监视期间具有软件。控制器可以耦合到一组输入缓冲器和一组输出端口。控制器可以被配置为在预测来自该组输出端口的输出端口处的拥塞并且在交换机核心发生拥塞之前从该组输入缓冲器向输入缓冲器发送流控制信号。

65. 发明授权

US08713627B2 Scalable security services for multicast in a router having integrated zone-based firewall 有权
标题翻译：具有集成区域防火墙的路由器中可多播的可扩展安全服务
公开(公告)号：US08713627B2
公开(公告)日：2014-04-29
申请号：US12432366
申请日：2009-04-29
申请人： Kannan Varadhan , Jean-Marc Frailong , Anjan Venkatramani
发明人： Kannan Varadhan , Jean-Marc Frailong , Anjan Venkatramani
IPC分类号： H04L29/06
CPC分类号： H04L63/0227 , H04L12/18 , H04L45/00 , H04L45/16 , H04L45/30 , H04L63/0254 , H04L63/104
摘要： A multicast-capable firewall allows firewall security policies to be applied to multicast traffic. The multicast-capable firewall may be integrated within a routing device, thus allowing a single device to provide both routing functionality, including multicast support, as well as firewall services. The routing device provides a user interface by which a user specifies one or more zones to be recognized by the integrated firewall when applying stateful firewall services to multicast packets. The user interface supports a syntax that allows the user to define subsets of the plurality of interfaces associated with the zones, and define a single multicast policy to be applied to multicast sessions associated with a multicast group. The multicast policy identifies common services to be applied pre-replication, and exceptions specifying additional services to be applied post-replication to copies of the multicast packets for the one or more zones.
摘要翻译：具有组播功能的防火墙允许将防火墙安全策略应用于组播流量。可组播的防火墙可以集成在路由设备内，从而允许单个设备提供包括组播支持在内的路由功能以及防火墙服务。路由设备提供一个用户界面，用户通过该用户界面指定一个或多个区域，以便在向组播数据包应用状态防火墙服务时由集成防火墙识别。用户界面支持语法，允许用户定义与区域相关联的多个接口的子集，并且定义要应用于与多播组相关联的多播会话的单个组播策略。多播策略标识要应用预复制的常用服务，以及将要复制后应用的其他服务指定给一个或多个区域的多播数据包副本的异常。

66. 发明授权

US08705500B1 Methods and apparatus for upgrading a switch fabric 有权
标题翻译：交换结构升级的方法和装置
公开(公告)号：US08705500B1
公开(公告)日：2014-04-22
申请号：US12613313
申请日：2009-11-05
申请人： Gunes Aybay , Anurag Agrawal , Jean-Marc Frailong , Fuguang Shi , Philip A. Thomas
发明人： Gunes Aybay , Anurag Agrawal , Jean-Marc Frailong , Fuguang Shi , Philip A. Thomas
IPC分类号： H04L12/50
CPC分类号： H04L49/1515 , H04L49/45
摘要： A method includes installing an interface card having a first module of a switch fabric and a second module of the switch fabric, and an interface card having a third module of the switch fabric in a first chassis, within a first time period. The switch fabric is in a first configuration and is operable as a three-stage switch fabric after the first time period and before a second time period. The interface card having the third module is removed from the first chassis within the second time period. An interface card having a fourth module of the switch fabric and a fifth module of the switch fabric is installed in the first chassis within the second time period. The switch fabric is in a transitional configuration and is operable as a three-stage switch fabric after the second time period but before the third time period. The interface card having the third module is installed in a second chassis and the first chassis is operatively coupled with the second chassis within the third time period. The switch fabric is in a third configuration and is operable as a five-stage switch fabric after the third time period.
摘要翻译：一种方法包括在第一时间段内安装具有交换结构的第一模块和交换结构的第二模块的接口卡，以及在第一机箱中具有交换结构的第三模块的接口卡。交换结构处于第一配置，并且在第一时间段之后和在第二时间段之前可操作为三级交换结构。具有第三模块的接口卡在第二时间段内从第一机架移除。具有交换结构的第四模块和交换结构的第五模块的接口卡在第二时间段内安装在第一机架中。交换结构处于过渡配置，并且在第二时间段之后但在第三时间段之前可操作为三级交换结构。具有第三模块的接口卡安装在第二机架中，并且第一机架在第三时间段内与第二机架可操作地耦合。交换结构处于第三种配置，并且在第三时间段之后可用作五级交换结构。

67. 发明申请

US20130246651A1 LONGEST PREFIX MATCH SEARCHES WITH VARIABLE NUMBERS OF PREFIXES 有权
标题翻译：最新的前缀匹配搜索与可变数字的前缀
公开(公告)号：US20130246651A1
公开(公告)日：2013-09-19
申请号：US13418907
申请日：2012-03-13
申请人： John Keen , Jean-Marc Frailong , Deepak Goel , Srinivasan Jagannadhan , Srilakshmi Adusumalli
发明人： John Keen , Jean-Marc Frailong , Deepak Goel , Srinivasan Jagannadhan , Srilakshmi Adusumalli
IPC分类号： G06F15/173
CPC分类号： H04L45/748 , H04L45/7453
摘要： An example network device includes a control plane and a filter lookup module that includes a Bloom filter that supports parallel lookup of a maximum number of different prefix lengths. The filter lookup module accesses the Bloom filter to determine a longest length prefix that matches an entry in a set of prefixes. The control plane receives prefix lengths that include more than the maximum number of different prefix lengths supported by the Bloom filter, wherein the set of prefix lengths is associated with one application, generates, based on the received set of prefix lengths, two or more groups of different prefix lengths, wherein each of the two or more groups of different prefix lengths includes no more than the maximum number of different prefix lengths, and programs the filter lookup module with the two or more groups of different prefix lengths associated with the one application.
摘要翻译：示例性网络设备包括控制平面和过滤器查找模块，其包括支持最大数量的不同前缀长度的并行查找的布隆过滤器。过滤器查找模块访问Bloom过滤器以确定与一组前缀中的条目匹配的最长长度前缀。控制平面接收包括大于由Bloom过滤器支持的不同前缀长度的最大数量的前缀长度，其中前缀长度集合与一个应用相关联，基于所接收的一组前缀长度生成两个或多个组其中不同前缀长度的两个或多个组中的每一个包括不超过不同前缀长度的最大数目，并且将过滤器查找模块与与一个应用程序相关联的两个或更多个不同前缀长度的组编程。

68. 发明申请

US20130003726A1 METHODS AND APPARATUS RELATED TO A FLEXIBLE DATA CENTER SECURITY ARCHITECTURE 有权
公开(公告)号：US20130003726A1
公开(公告)日：2013-01-03
申请号：US13608799
申请日：2012-09-10
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： H04L12/50
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.

69. 发明授权

US08340088B2 Methods and apparatus related to a low cost data center architecture 有权
标题翻译：与低成本数据中心架构相关的方法和设备
公开(公告)号：US08340088B2
公开(公告)日：2012-12-25
申请号：US12558130
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： H04L12/56
CPC分类号： H04L49/3072 , H04L49/1515 , H04L49/35 , H04L49/356 , H04L49/70
摘要： In one embodiment, an apparatus can include a first edge device that can have a packet processing module. The first edge device can be configured to receive a packet. The packet processing module of the first edge device can be configured to produce cells based on the packet. A second edge device can have a packet processing module configured to reassemble the packet based on the cells. A multi-stage switch fabric can be coupled to the first edge device and the second edge device. The multi-stage switch fabric can define a single logical entity. The multi-stage switch fabric can have switch modules. Each switch module from the switch modules can have a shared memory device. The multi-stage switch fabric can be configured to switch the cells so that the cells are sent to the second edge device.
摘要翻译：在一个实施例中，装置可以包括可以具有分组处理模块的第一边缘设备。第一边缘设备可以被配置为接收分组。第一边缘设备的分组处理模块可以被配置为基于分组来生成单元。第二边缘设备可以具有配置成基于小区重新组合分组的分组处理模块。多级交换结构可以耦合到第一边缘设备和第二边缘设备。多级交换结构可以定义单个逻辑实体。多级交换结构可以具有交换机模块。交换机模块的每个交换机模块都可以具有共享存储设备。多级交换结构可以被配置为切换小区，使得小区被发送到第二边缘设备。

70. 发明授权

US08339959B1 Streamlined packet forwarding using dynamic filters for routing and security in a shared forwarding plane 有权
标题翻译：在共享转发平面中使用动态过滤器进行路由和安全性的简化数据包转发
公开(公告)号：US08339959B1
公开(公告)日：2012-12-25
申请号：US12182619
申请日：2008-07-30
申请人： Jerome P. Moisand , Jean-Marc Frailong , Krishna Narayanaswamy , Oren Melamud , Paul J. Kirner
发明人： Jerome P. Moisand , Jean-Marc Frailong , Krishna Narayanaswamy , Oren Melamud , Paul J. Kirner
IPC分类号： H04L12/26
CPC分类号： H04L45/60 , H04L45/302 , H04L45/306 , H04L63/0236 , H04L63/0263 , H04L63/1408 , H04L63/145
摘要： A network router includes a plurality of interfaces configured to send and receive packets, and a routing component comprising: (i) a routing engine that includes a control unit that executes a routing protocol to maintain routing information specifying routes through a network, and (ii) a forwarding plane configured by the routing engine to select next hops for the packets in accordance with the routing information. The forwarding plane comprises a switch fabric to forward the packets to the interfaces based on the selected next hops. The network router also includes a security plane configured to apply security functions to the packets. The security plane is integrated within the network router to share a streamlined forwarding plane of the routing component.
摘要翻译：网络路由器包括被配置为发送和接收分组的多个接口，以及路由组件，包括：（i）路由引擎，其包括执行路由协议以控制通过网络指定路由的路由信息的控制单元，）由路由引擎配置的转发平面，以根据路由信息为分组选择下一跳。转发平面包括基于所选择的下一跳将数据包转发到接口的交换结构。网络路由器还包括一个安全平面，配置为对数据包应用安全功能。安全平面集成在网络路由器内，以共享路由组件的流线型转发平面。

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