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1. 发明授权

US08553532B2 Methods and apparatus for avoiding inter-chassis redundancy switchover to non-functional standby nodes 有权
标题翻译：避免机柜间冗余切换到非功能待机节点的方法和设备
公开(公告)号：US08553532B2
公开(公告)日：2013-10-08
申请号：US13240438
申请日：2011-09-22
申请人： Nageshwar Bajamahal
发明人： Nageshwar Bajamahal
IPC分类号： G01R31/08
CPC分类号： H04L45/28 , H04L41/0654 , H04L45/02 , H04L45/22
摘要： A network node for routing messages in a communications system, includes at least one network interface that communicates messages with a plurality of other network nodes, and a microprocessor that sends and receives messages. The microprocessor transitions from operation in an active-with-peer state to operation in an active-without-peer state in response to detecting that a standby inter-chassis redundancy (ICR) node has become or will become at least partially non-functional as a backup message router for the network node. While operating in the active-with-peer state, the microprocessor responds to a switchover triggering event by switching-over at least part of its message routing responsibility to the standby ICR node. In contrast, while operating in an active-without-peer state, the microprocessor does not switchover routing responsibility to the standby ICR node in response to the switchover triggered event.
摘要翻译：用于在通信系统中路由消息的网络节点包括与多个其他网络节点传送消息的至少一个网络接口以及发送和接收消息的微处理器。响应于检测到备用机架间冗余（ICR）节点已经或将将变得至少部分地不起作用，微处理器从处于主动对等状态的操作转变为处于活动 - 不同时状态的操作用于网络节点的备份消息路由器。当处于主动对等状态时，微处理器通过将至少部分其消息路由责任切换到备用ICR节点来响应切换触发事件。相反，当处于非活动状态时，微处理器不响应于切换触发事件将路由责任切换到备用ICR节点。

2. 发明申请

US20130051219A1 METHODS AND APPARATUS FOR AVOIDING INTER-CHASSIS REDUNDANCY SWITCHOVER TO NON-FUNCTIONAL STANDBY NODES 有权
标题翻译：避免内部冗余切换到非功能性待机节点的方法和装置
公开(公告)号：US20130051219A1
公开(公告)日：2013-02-28
申请号：US13240438
申请日：2011-09-22
申请人： Nageshwar Bajamahal
发明人： Nageshwar Bajamahal
IPC分类号： H04L12/26
CPC分类号： H04L45/28 , H04L41/0654 , H04L45/02 , H04L45/22
摘要： A network node for routing messages in a communications system, includes at least one network interface that communicates messages with a plurality of other network nodes, and a microprocessor that sends and receives messages. The microprocessor transitions from operation in an active-with-peer state to operation in an active-without-peer state in response to detecting that a standby inter-chassis redundancy (ICR) node has become or will become at least partially non-functional as a backup message router for the network node. While operating in the active-with-peer state, the microprocessor responds to a switchover triggering event by switching-over at least part of its message routing responsibility to the standby ICR node. In contrast, while operating in an active-without-peer state, the microprocessor does not switchover routing responsibility to the standby ICR node in response to the switchover triggered event.
摘要翻译：用于在通信系统中路由消息的网络节点包括与多个其他网络节点传送消息的至少一个网络接口以及发送和接收消息的微处理器。响应于检测到备用机架间冗余（ICR）节点已经或将将变得至少部分地不起作用，微处理器从处于主动对等状态的操作转变为处于活动 - 不同时状态的操作用于网络节点的备份消息路由器。当处于主动对等状态时，微处理器通过将至少部分其消息路由责任切换到备用ICR节点来响应切换触发事件。相反，当处于非活动状态时，微处理器不响应于切换触发事件将路由责任切换到备用ICR节点。

3. 发明申请

US20130054789A1 NOTIFYING NETWORK OPERATOR WHEN VIRTUAL ADDRESSES DO NOT MATCH ON NETWORK ELEMENTS CONFIGURED FOR INTERCHASSIS REDUNDANCY 有权
标题翻译：当虚拟地址不匹配配置为互联网冗余的网络元素时通知网络运营商
公开(公告)号：US20130054789A1
公开(公告)日：2013-02-28
申请号：US13221743
申请日：2011-08-30
申请人： Nageshwar Bajamahal
发明人： Nageshwar Bajamahal
IPC分类号： G06F15/173
CPC分类号： H04L41/0873 , H04L41/0213 , H04L41/06 , H04L41/0672 , H04L45/04 , H04L45/586 , H04L61/2007 , H04L61/2046
摘要： A method, in a first network element, of notifying a network operator when mismatching sets of virtual addresses are configured on first and second network elements, prior to making one of the sets of virtual addresses available for network traffic reception. The first network element is coupled with a second network element by a synchronization channel. The network elements are configured to exchange synchronization data over the synchronization channel. A second set of virtual addresses, which are configured on the second network element, are received from the second network element. It is determined that the second set of virtual addresses and a first set of virtual addresses, which are configured on the first network element, do not match. A network operator is notified responsive to determining that first and second sets of virtual addresses do not match. The method may prevent problems that occur when the virtual addresses don't match.
摘要翻译：在使第一和第二网络元件之间的不匹配组被配置在第一和第二网络元件之前，在使一组虚拟地址可用于网络业务接收之前，在第一网络元件中通知网络运营商的方法。第一网元通过同步信道与第二网元耦合。网元被配置为通过同步信道交换同步数据。在第二网络元件上配置的第二组虚拟地址从第二网络元件接收。确定在第一网络元件上配置的第二组虚拟地址和第一组虚拟地址不匹配。响应于确定第一和第二组虚拟地址组不匹配，通知网络运营商。该方法可以防止虚拟地址不匹配时出现的问题。

4. 发明授权

US08825844B2 Notifying network operator when virtual addresses do not match on network elements configured for interchassis redundancy 有权
标题翻译：虚拟地址在配置为机架间冗余的网络元件上不匹配时通知网络运营商
公开(公告)号：US08825844B2
公开(公告)日：2014-09-02
申请号：US13221743
申请日：2011-08-30
申请人： Nageshwar Bajamahal
发明人： Nageshwar Bajamahal
IPC分类号： G06F15/173 , H04L12/24 , H04L29/12 , H04L12/56
CPC分类号： H04L41/0873 , H04L41/0213 , H04L41/06 , H04L41/0672 , H04L45/04 , H04L45/586 , H04L61/2007 , H04L61/2046
摘要： A method, in a first network element, of notifying a network operator when mismatching sets of virtual addresses are configured on first and second network elements, prior to making one of the sets of virtual addresses available for network traffic reception. The first network element is coupled with a second network element by a synchronization channel. The network elements are configured to exchange synchronization data over the synchronization channel. A second set of virtual addresses, which are configured on the second network element, are received from the second network element. It is determined that the second set of virtual addresses and a first set of virtual addresses, which are configured on the first network element, do not match. A network operator is notified responsive to determining that first and second sets of virtual addresses do not match. The method may prevent problems that occur when the virtual addresses don't match.
摘要翻译：在使第一和第二网络元件之间的不匹配组被配置在第一和第二网络元件之前，在使一组虚拟地址可用于网络业务接收之前，在第一网络元件中通知网络运营商的方法。第一网元通过同步信道与第二网元耦合。网元被配置为通过同步信道交换同步数据。在第二网络元件上配置的第二组虚拟地址从第二网络元件接收。确定在第一网络元件上配置的第二组虚拟地址和第一组虚拟地址不匹配。响应于确定第一和第二组虚拟地址组不匹配，通知网络运营商。该方法可以防止虚拟地址不匹配时出现的问题。

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