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1. 发明授权

US08499060B2 Upgrading system software in a chassis without traffic loss 有权
标题翻译：升级机箱中的系统软件，无流量损失
公开(公告)号：US08499060B2
公开(公告)日：2013-07-30
申请号：US12727535
申请日：2010-03-19
申请人： Kumaran Narayanan , Siva Madasamy , Aparna Adhav , Saurabh Agarwal , Kalash Nainwal
发明人： Kumaran Narayanan , Siva Madasamy , Aparna Adhav , Saurabh Agarwal , Kalash Nainwal
IPC分类号： G06F15/177
CPC分类号： G06F9/4416 , G06F8/656
摘要： Rolling software upgrades may be employed for a network device in a modular chassis and/or virtual chassis. The network device may include memory devices to store a software upgrade package and a group of instructions, and a processor. The processors may install the software upgrade package on a backup routing engine; determine subsets of multiple line cards on which to perform a software upgrade, where ports in each of the multiple line cards are part of a link aggregation group (LAG); initiate a reboot process for each of the subsets of multiple line cards, in sequence, where the reboot process for each of the line cards results in a software upgrade without deactivating any LAG. The processors may also switch the backup routing engine and a master routing engine to create a new master routing engine and a new backup routing engine, and install the upgrade package on the new backup routing engine.
摘要翻译：可以对模块化机箱和/或虚拟机箱中的网络设备采用滚动软件升级。网络设备可以包括用于存储软件升级包和一组指令的存储设备以及处理器。处理器可以在备份路由引擎上安装软件升级包; 确定要执行软件升级的多个线路卡的子集，其中多个线路卡中的每个线路的端口是链路聚合组（LAG）的一部分; 按顺序为多个线路卡的每个子集启动重新启动过程，其中每个线路卡的重新启动过程导致软件升级而不停用任何LAG。处理器还可以切换备份路由引擎和主路由引擎，以创建新的主路由引擎和新的备份路由引擎，并将升级包安装在新的备份路由引擎上。

2. 发明申请

US20110299385A1 NO SPLIT VIRTUAL CHASSIS BASED ON PASS THROUGH MODE 有权
标题翻译：基于通过模式通过分割虚拟代码
公开(公告)号：US20110299385A1
公开(公告)日：2011-12-08
申请号：US13210143
申请日：2011-08-15
申请人： Kumaran Narayanan , Peter Kwok
发明人： Kumaran Narayanan , Peter Kwok
IPC分类号： G08C15/00
CPC分类号： G06F11/1417 , H04L41/0659 , H04L43/0817
摘要： A method includes operating in a normal mode to receive and transmit packets, where the network device is one of multiple network devices that operate as a virtual chassis, where the virtual chassis corresponds to a single logical network device, and detecting when the network device crashes. The method further includes initiating a resetting process and operating in a pass through mode, during the resetting process, where the pass through mode permits packets to be received and transmitted to the network devices of the virtual chassis.
摘要翻译：一种方法包括以正常模式操作以接收和发送分组，其中网络设备是作为虚拟机箱操作的多个网络设备之一，虚拟机箱对应于单个逻辑网络设备，以及检测网络设备何时崩溃。该方法还包括启动重置过程并在通过模式下操作，在复位过程期间，其中通过模式允许分组被接收并被发送到虚拟机箱的网络设备。

3. 发明授权

US08023404B1 No split virtual chassis based on pass through mode 有权
标题翻译：没有基于通过模式的分裂虚拟机箱
公开(公告)号：US08023404B1
公开(公告)日：2011-09-20
申请号：US12487888
申请日：2009-06-19
申请人： Kumaran Narayanan , Peter Kwok
发明人： Kumaran Narayanan , Peter Kwok
IPC分类号： G06F11/00
CPC分类号： G06F11/1417 , H04L41/0659 , H04L43/0817
摘要： A method includes operating in a normal mode to receive and transmit packets, where the network device is one of multiple network devices that operate as a virtual chassis, where the virtual chassis corresponds to a single logical network device, and detecting when the network device crashes. The method further includes initiating a resetting process and operating in a pass through mode, during the resetting process, where the pass through mode permits packets to be received and transmitted to the network devices of the virtual chassis.
摘要翻译：一种方法包括在正常模式下操作以接收和发送分组，其中网络设备是作为虚拟机箱操作的多个网络设备之一，虚拟机箱对应于单个逻辑网络设备，以及检测网络设备何时崩溃。该方法还包括发起复位处理，并通过模式在一通操作时，在复位过程中，其中通过模式允许将接收和发送到虚拟机箱的网络设备的数据包。

4. 发明授权

US09256263B1 Efficient power allocation for redundant power supply with system priority 有权
标题翻译：具有系统优先级的冗余电源的高效功率分配
公开(公告)号：US09256263B1
公开(公告)日：2016-02-09
申请号：US13471217
申请日：2012-05-14
申请人： Kumaran Narayanan , Euan Mowat , Venkata Duggirala , Surendra Patel
发明人： Kumaran Narayanan , Euan Mowat , Venkata Duggirala , Surendra Patel
IPC分类号： G06F1/30 , G06F1/26
CPC分类号： G06F1/3287 , G06F1/263 , G06F1/28 , G06F1/30 , G06F1/3243
摘要： This disclosure describes a more efficient and configurable power allocation scheme for redundant power supply (RPS) systems used in network switches. This allocation scheme allows the system owner to assign power from a shared RPS unit to higher priority devices in any network switch in the system. This permits more granularity in assigning the RPS with backup power available to devices such as ports residing within individual switches in a multiple switch network. An efficient power allocation scheme for RPS allows the user to define the system priority of various devices for backup power according to the user's preferences. The user may assign the RPS to user-defined high priority devices in any piece of equipment. This makes RPS power allocation more flexible by offering the user more setup options for backup power.
摘要翻译：本公开描述了在网络交换机中使用的冗余电源（RPS）系统的更有效和可配置的功率分配方案。该分配方案允许系统所有者在系统中的任何网络交换机中将来自共享RPS单元的功率分配给较高优先级的设备。这允许在将RPS分配给具有可用于诸如驻留在多交换机网络中的各个交换机内的端口的设备的RPS上分配更多的粒度。用于RPS的有效功率分配方案允许用户根据用户的偏好来定义各种设备的备用电源的系统优先级。用户可以将RPS分配给任何设备中的用户定义的高优先级设备。通过为用户提供更多的备用电源设置选项，使RPS电源分配更加灵活。

5. 发明授权

US08467285B2 No split virtual chassis based on pass through mode 有权
标题翻译：没有基于通过模式的分裂虚拟机箱
公开(公告)号：US08467285B2
公开(公告)日：2013-06-18
申请号：US13210143
申请日：2011-08-15
申请人： Kumaran Narayanan , Peter Kwok
发明人： Kumaran Narayanan , Peter Kwok
IPC分类号： G06F11/00
CPC分类号： G06F11/1417 , H04L41/0659 , H04L43/0817
摘要： A method includes operating in a normal mode to receive and transmit packets, where the network device is one of multiple network devices that operate as a virtual chassis, where the virtual chassis corresponds to a single logical network device, and detecting when the network device crashes. The method further includes initiating a resetting process and operating in a pass through mode, during the resetting process, where the pass through mode permits packets to be received and transmitted to the network devices of the virtual chassis.
摘要翻译：一种方法包括以正常模式操作以接收和发送分组，其中网络设备是作为虚拟机箱操作的多个网络设备之一，虚拟机箱对应于单个逻辑网络设备，以及检测网络设备何时崩溃。该方法还包括启动重置过程并在通过模式下操作，在复位过程期间，其中通过模式允许分组被接收并被发送到虚拟机箱的网络设备。

6. 发明申请

US20110231833A1 UPGRADING SYSTEM SOFTWARE IN A CHASSIS WITHOUT TRAFFIC LOSS 有权
标题翻译：在没有交通损失的情况下升级系统软件
公开(公告)号：US20110231833A1
公开(公告)日：2011-09-22
申请号：US12727535
申请日：2010-03-19
申请人： Kumaran NARAYANAN , Siva Madasamy , Aparna Adhav , Saurabh Agarwal , Kalash Nainwal
发明人： Kumaran NARAYANAN , Siva Madasamy , Aparna Adhav , Saurabh Agarwal , Kalash Nainwal
IPC分类号： G06F9/44 , G06F15/177
CPC分类号： G06F9/4416 , G06F8/656
摘要： Rolling software upgrades may be employed for a network device in a modular chassis and/or virtual chassis. The network device may include memory devices to store a software upgrade package and a group of instructions, and a processor. The processors may install the software upgrade package on a backup routing engine; determine subsets of multiple line cards on which to perform a software upgrade, where ports in each of the multiple line cards are part of a link aggregation group (LAG); initiate a reboot process for each of the subsets of multiple line cards, in sequence, where the reboot process for each of the line cards results in a software upgrade without deactivating any LAG. The processors may also switch the backup routing engine and a master routing engine to create a new master routing engine and a new backup routing engine, and install the upgrade package on the new backup routing engine.
摘要翻译：可以对模块化机箱和/或虚拟机箱中的网络设备采用滚动软件升级。网络设备可以包括用于存储软件升级包和一组指令的存储设备以及处理器。处理器可以在备份路由引擎上安装软件升级包; 确定要执行软件升级的多个线路卡的子集，其中多个线路卡中的每个线路的端口是链路聚合组（LAG）的一部分; 按顺序为多个线路卡的每个子集启动重新启动过程，其中每个线路卡的重新启动过程导致软件升级而不停用任何LAG。处理器还可以切换备份路由引擎和主路由引擎，以创建新的主路由引擎和新的备份路由引擎，并将升级包安装在新的备份路由引擎上。

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