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1. 发明授权

US09032093B2 Automatic aggregation of inter-device ports/links in a virtual device 有权
标题翻译：在虚拟设备中自动聚合设备间端口/链路
公开(公告)号：US09032093B2
公开(公告)日：2015-05-12
申请号：US13349441
申请日：2012-01-12
申请人： Megh Bhatt , Harshad Nakil , Rajashekar Reddy , Saurabh Agarwal , Sai Ganesh Sitharaman
发明人： Megh Bhatt , Harshad Nakil , Rajashekar Reddy , Saurabh Agarwal , Sai Ganesh Sitharaman
IPC分类号： G06F15/173 , H04L12/709
CPC分类号： H04L45/02 , H04L43/0811 , H04L45/245 , H04L67/10 , Y02D50/30
摘要： A virtual device includes multiple devices connected to operate as a single device. A first one of the devices is configured to determine that the first device connects to a second one of the devices via a first link; identify a second link; determine that the second link connects the first device to the second device; and automatically aggregate the first link and the second link to form a link aggregation with the second device based on determining that the first device connects to the second device via both the first and second links. The first device is further configured to transmit packets to the second device via the first and second links of the link aggregation.
摘要翻译：虚拟设备包括连接以作为单个设备操作的多个设备。第一设备被配置为确定第一设备经由第一链路连接到设备中的第二设备; 识别第二个链接; 确定所述第二链路将所述第一设备连接到所述第二设备; 并且基于确定所述第一设备经由所述第一和第二链路连接到所述第二设备，自动聚合所述第一链路和所述第二链路以与所述第二设备形成链路聚合。第一设备还被配置为经由链路聚合的第一和第二链路向第二设备传送分组。

2. 发明授权

US08284664B1 Redirecting data units to service modules based on service tags and a redirection table 有权
标题翻译：基于服务标签和重定向表将数据单元重定向到服务模块
公开(公告)号：US08284664B1
公开(公告)日：2012-10-09
申请号：US11863480
申请日：2007-09-28
申请人： Gunes Aybay , Harshad Nakil , Fuguang Shi , Jack Kohn , David Rowell
发明人： Gunes Aybay , Harshad Nakil , Fuguang Shi , Jack Kohn , David Rowell
IPC分类号： H04J1/16
CPC分类号： H04L67/327 , H04L41/12 , H04L49/3009 , H04L49/355 , H04L69/22
摘要： A device may receive a data unit and identify a class of the received data unit. The device may further obtain a service tag based on the class of the data unit and send the service tag and the data unit to a service module in the network device. The service module may perform a service for the data unit.
摘要翻译：设备可以接收数据单元并且识别所接收的数据单元的类别。该设备还可以基于数据单元的类别进一步获取服务标签，并将服务标签和数据单元发送到网络设备中的服务模块。服务模块可以为数据单元执行服务。

3. 发明申请

US20120098338A1 SHARING REDUNDANT POWER SUPPLY MODULES AMONG PHYSICAL SYSTEMS 有权
标题翻译：在物理系统中共享冗余电源模块
公开(公告)号：US20120098338A1
公开(公告)日：2012-04-26
申请号：US13339088
申请日：2011-12-28
申请人： Hogan LEW , Ankur Singla , Harshad Nakil
发明人： Hogan LEW , Ankur Singla , Harshad Nakil
IPC分类号： H02J1/10
CPC分类号： H02J1/10 , H02J9/061 , H02J2009/068 , H05K7/20 , Y10T307/305 , Y10T307/313 , Y10T307/344 , Y10T307/391 , Y10T307/62
摘要： A system may include a switchover element configurable to source or sink power from or to an electronic device electrically coupled to the switchover element and a controller in communication with the switchover element. The controller may be configured to determine if the electronic device is healthy. When the electronic device is healthy, the controller may configure the switchover element to deliver power from the electronic device to the system and configure the switchover element to provide the power to any unhealthy electronic device electrically coupled to the system.
摘要翻译：系统可以包括可配置为从电切换元件电耦合的电子设备来源或吸收功率的切换元件和与切换元件通信的控制器。控制器可以被配置为确定电子设备是否健康。当电子设备健康时，控制器可以配置切换元件以将电力从电子设备传送到系统，并配置切换元件以向与系统电耦合的任何不健康的电子设备提供电力。

4. 发明申请

US20110118889A1 INCREASING MEAN TIME BETWEEN FAILURES FOR POWER SUPPLIES 有权
标题翻译：增加供电失败之间的平均时间
公开(公告)号：US20110118889A1
公开(公告)日：2011-05-19
申请号：US13012859
申请日：2011-01-25
申请人： Ankur SINGLA , Surendra PATEL , Harshad NAKIL
发明人： Ankur SINGLA , Surendra PATEL , Harshad NAKIL
IPC分类号： G06F1/28
CPC分类号： G05B13/02 , G06F1/263 , G06F11/008 , H02J1/10
摘要： A redundant power supply may obtain a rule for increasing mean time between failures (MTBF) for a first internal power supply and a second internal power supply connected to an electronic device, apply the rule to the first and second power supplies, activate the second internal power supply based on the rule to permit the second internal power supply to provide power to the electronic device, and deactivate the first internal power supply based on the rule.
摘要翻译：冗余电源可以获得用于增加连接到电子设备的第一内部电源和第二内部电源的故障之间的平均时间（MTBF）的规则，将规则应用于第一和第二电源，激活第二内部电源基于允许第二内部电源向电子设备供电的规则的电源，以及基于该规则去激活第一内部电源。

5. 发明申请

US20100278076A1 AUTOMATIC CONFIGURATION OF VIRTUAL NETWORK SWITCHES 有权
标题翻译：虚拟网络交换机的自动配置
公开(公告)号：US20100278076A1
公开(公告)日：2010-11-04
申请号：US12835549
申请日：2010-07-13
申请人： Rajashekar Reddy , Ankur Singla , Harshad Nakil , Pedro R. Marques , Ashish Ranjan
发明人： Rajashekar Reddy , Ankur Singla , Harshad Nakil , Pedro R. Marques , Ashish Ranjan
IPC分类号： H04L12/28
CPC分类号： H04L41/0886 , H04L41/0668 , H04L41/0806 , H04L41/0893 , H04L45/00 , H04L45/58 , H04L45/583 , Y02D30/30
摘要： In general, techniques are described in which a plurality of network switches automatically configure themselves to operate as a single virtual network switch. A virtual switch is a collection of individual switch devices that operate like as single network switch. As described herein, network switches in a network that are capable of participating in a virtual switch may automatically discover one another. The participating network switches may then elect one of the participating switches as a master switch. The master switch may generate forwarding information and store the forwarding information in the participating switches, including the master switch. The forwarding information causes the participating switches to act like a single network switch.
摘要翻译：通常，描述了其中多个网络交换机自动配置自身以作为单个虚拟网络交换机操作的技术。虚拟交换机是像单个网络交换机一样操作的单独交换机设备的集合。如本文所述，能够参与虚拟交换机的网络中的网络交换机可以自动地彼此发现。参与的网络交换机然后可以将参与交换机之一作为主交换机。主交换机可以生成转发信息，并将转发信息存储在参与交换机中，包括主交换机。转发信息使参与的交换机像单个网络交换机那样起作用。

6. 发明授权

US07768921B2 Identification of potential network threats using a distributed threshold random walk 有权
标题翻译：使用分布式阈值随机游走识别潜在的网络威胁
公开(公告)号：US07768921B2
公开(公告)日：2010-08-03
申请号：US11589645
申请日：2006-10-30
申请人： Harshad Nakil , Bryan Burns , Ankur Singla
发明人： Harshad Nakil , Bryan Burns , Ankur Singla
IPC分类号： G08B23/00
CPC分类号： H04L63/1425
摘要： In general, the invention is directed to techniques of identifying an infected network device in a computer network where traffic to and from the infected network device is not necessarily routed through a single point on the computer network. For example, individual line cards in network devices count incoming network flows from network devices in host tables. The host tables of all line cards of all participating network devices are then correlated. It is then determined whether the number of flows from a network device outweighs the number of flows to the network device to a significant degree. If so, the network device may be considered suspicious. Packets from a suspicious network device may be rerouted to a network security device for more thorough inspection.
摘要翻译：通常，本发明涉及识别计算机网络中感染的网络设备的技术，其中来往和来自被感染的网络设备的流量不一定通过计算机网络上的单个点路由。例如，网络设备中的各个线路卡从主机表中的网络设备计数传入的网络流。然后，所有参与的网络设备的所有线路卡的主机表相关。然后确定来自网络设备的流量是否大大超过了到网络设备的流量的数量。如果是这样，网络设备可能被认为是可疑的。来自可疑网络设备的数据包可能会重新路由到网络安全设备以进行更全面的检查。

7. 发明授权

US09485194B2 Virtual link aggregation of network traffic in an aggregation switch 有权
公开(公告)号：US09485194B2
公开(公告)日：2016-11-01
申请号：US13892702
申请日：2013-05-13
申请人： Ankur Singla , Harshad Nakil , Rajashekar Reddy , Hampapur Nagaraj Ajay
发明人： Ankur Singla , Harshad Nakil , Rajashekar Reddy , Hampapur Nagaraj Ajay
IPC分类号： H04L12/931 , H04L12/933 , H04L12/709
CPC分类号： H04L49/00 , H04L45/245 , H04L49/10 , H04L49/70 , Y02D30/30
摘要： Access switches in a switching system may use virtual aggregated links. When a link between an aggregation switch and an access switch fails, the link failure may be reflected in the virtual aggregated link and data traffic to another access switch may be switched away from the failed switch. A forwarding table in the access switch stores a number of entries that each define a correspondence between destination addresses and an output identifier for the switch. At least a first output identifier includes an aggregated link that represents a first set of possible output links. At least a second output identifier includes a virtual aggregated link, associated with a second network switch that represents a second set of possible output links. Destination addresses in the forwarding table for the virtual aggregated link correspond to network devices connected to the second network switch.

8. 发明授权

US09276405B2 Sharing redundant power supply modules among physical systems 有权
标题翻译：在物理系统之间共享冗余电源模块
公开(公告)号：US09276405B2
公开(公告)日：2016-03-01
申请号：US13339088
申请日：2011-12-28
申请人： Hogan Lew , Ankur Singla , Harshad Nakil
发明人： Hogan Lew , Ankur Singla , Harshad Nakil
IPC分类号： H02J1/10 , H05K7/20 , H02J9/06
CPC分类号： H02J1/10 , H02J9/061 , H02J2009/068 , H05K7/20 , Y10T307/305 , Y10T307/313 , Y10T307/344 , Y10T307/391 , Y10T307/62
摘要： A system may include a switchover element configurable to source or sink power from or to an electronic device electrically coupled to the switchover element and a controller in communication with the switchover element. The controller may be configured to determine if the electronic device is healthy. When the electronic device is healthy, the controller may configure the switchover element to deliver power from the electronic device to the system andconfigure the switchover element to provide the power to any unhealthy electronic device electrically coupled to the system.
摘要翻译：系统可以包括可配置为从电切换元件电耦合的电子设备来源或吸收功率的切换元件和与切换元件通信的控制器。控制器可以被配置为确定电子设备是否健康。当电子设备健康时，控制器可以配置切换元件以将电力从电子设备传送到系统，并且配置切换元件以向与该系统电耦合的任何不健康的电子设备提供电力。

9. 发明授权

US08797897B1 Methods and apparatus with virtual identifiers for physical switches in a virtual chassis 有权
标题翻译：具有虚拟机箱中物理交换机的虚拟标识符的方法和设备
公开(公告)号：US08797897B1
公开(公告)日：2014-08-05
申请号：US13249963
申请日：2011-09-30
申请人： Megh Bhatt , Harshad Nakil , Rajashekar Reddy , Saurabh Agarwal , Shankar Ramanathan
发明人： Megh Bhatt , Harshad Nakil , Rajashekar Reddy , Saurabh Agarwal , Shankar Ramanathan
IPC分类号： H04L12/26 , H04Q11/00
CPC分类号： H04L12/26 , H04L49/00 , H04L49/65 , H04L49/70 , H04Q11/00
摘要： In some embodiments, an apparatus includes a first switch having an egress port configured to be coupled to a second switch to collectively to define a single logical entity having a set of virtual identifiers. A first set of virtual identifiers from the set of virtual identifiers is associated with the first switch, a second set of virtual identifiers from the set of virtual identifiers is associated with the second switch. The first switch is configured to receive a forwarding table associating a first set of destination addresses with a set of identifiers local to the first switch and associating a second set of destination addresses with a set of identifiers local to the second switch. Each identifier from the first set of identifiers is uniquely associated the first set of virtual identifiers. Each identifier from the set of identifiers is uniquely associated the second set of virtual identifiers.
摘要翻译：在一些实施例中，设备包括具有出口端口的第一交换机，该出口端口被配置为耦合到第二交换机以共同定义具有一组虚拟标识符的单个逻辑实体。来自该组虚拟标识符的第一组虚拟标识符与第一交换机相关联，来自该组虚拟标识符的第二组虚拟标识符与第二交换机相关联。第一交换机被配置为接收将第一组目的地地址与第一交换机本地的一组标识符相关联的转发表，并将第二组目的地址与第二交换机本地的一组标识符相关联。来自第一组标识符的每个标识符与第一组虚拟标识符唯一相关联。来自标识符集合的每个标识符与第二组虚拟标识符唯一地相关联。

10. 发明申请

US20120110206A1 AUTOMATIC AGGREGATION OF INTER-DEVICE PORTS/LINKS IN A VIRTUAL DEVICE 有权
标题翻译：自动聚合虚拟设备中的设备端口/链路
公开(公告)号：US20120110206A1
公开(公告)日：2012-05-03
申请号：US13349441
申请日：2012-01-12
申请人： Megh BHATT , Harshad Nakil , Rajashekar Reddy , Saurabh Agarwal , Sai Ganesh Sitharaman
发明人： Megh BHATT , Harshad Nakil , Rajashekar Reddy , Saurabh Agarwal , Sai Ganesh Sitharaman
IPC分类号： G06F15/173
CPC分类号： H04L45/02 , H04L43/0811 , H04L45/245 , H04L67/10 , Y02D50/30
摘要： A virtual device includes multiple devices connected to operate as a single device. A first one of the devices is configured to determine that the first device connects to a second one of the devices via a first link; identify a second link; determine that the second link connects the first device to the second device; and automatically aggregate the first link and the second link to form a link aggregation with the second device based on determining that the first device connects to the second device via both the first and second links. The first device is further configured to transmit packets to the second device via the first and second links of the link aggregation.
摘要翻译：虚拟设备包括连接以作为单个设备操作的多个设备。第一设备被配置为确定第一设备经由第一链路连接到设备中的第二设备; 识别第二个链接; 确定所述第二链路将所述第一设备连接到所述第二设备; 并且基于确定所述第一设备经由所述第一和第二链路连接到所述第二设备，自动聚合所述第一链路和所述第二链路以与所述第二设备形成链路聚合。第一设备还被配置为经由链路聚合的第一和第二链路向第二设备传送分组。

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