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1. 发明授权

US07974272B2 Remote control of a switching node in a stack of switching nodes 有权
标题翻译：交换节点堆叠中的交换节点的远程控制
公开(公告)号：US07974272B2
公开(公告)日：2011-07-05
申请号：US10901873
申请日：2004-07-29
申请人： Rong-Feng Chang , Mike Twu , Craig Barrack , Allen Yu
发明人： Rong-Feng Chang , Mike Twu , Craig Barrack , Allen Yu
IPC分类号： H04Q11/00 , H04L12/56
CPC分类号： H04L41/0803 , H04L49/555 , H04L49/557 , H04L49/65
摘要： A methods and apparatus for remote management of switching network nodes in a stack via in-band messaging are presented. Switching nodes in the stack default to reserved switching node identifiers and stacking ports default to a blocking state upon startup, restart, and reset. Each command frame received via a blocking state is forwarded to a command engine at each switching node and is acknowledged with the current switching node identifier. Each acknowledgement frame bearing the reserved network node identifier triggers configuration of the acknowledging switching node. Switching nodes and the management processor track interrupt state vectors regarding events. An interrupt acknowledgement process is employed to track raised interrupts. Configuration of switching node is performed via command frames transmitted by the management processor and destined to a command engine associated with the switching node. Services provided by the management processor are requested via control frames destined to the switching node to which the management processor is attached and destined to the management port thereof. The advantages are derived from engineered switching node deployments wherein an appropriate number of management processors, less than the number of switching nodes in the stack, are employed to provide services to corresponding switching nodes in the stack, based on processing, control, and configuration bandwidth requirements. The in-band configuration and control of the switching nodes in the stack reduce deployment, configuration, management, and maintenance overheads.
摘要翻译：提出了一种用于通过带内消息传递来对堆叠中的交换网络节点进行远程管理的方法和装置。堆叠中的交换节点默认为保留的交换节点标识符，堆叠端口在启动，重新启动和重置时默认为阻塞状态。经由阻塞状态接收的每个命令帧被转发到每个交换节点处的命令引擎，并且用当前交换节点标识符进行确认。具有保留网络节点标识符的每个确认帧触发确认交换节点的配置。交换节点和管理处理器跟踪关于事件的中断状态向量。采用中断确认过程来跟踪提升的中断。交换节点的配置通过由管理处理器发送并发往与交换节点相关联的命令引擎的命令帧来执行。由管理处理器提供的服务通过去往管理处理器所连接的转发节点的控制帧被请求并发往其管理端口。优点来源于工程交换节点部署，其中基于处理，控制和配置带宽，采用小于堆叠中的交换节点数量的适当数量的管理处理器来向堆栈中的相应交换节点提供服务要求。堆叠中的交换节点的带内配置和控制可以减少部署，配置，管理和维护开销。

2. 发明申请

US20060023640A1 Remote control of a switching node in a stack of switching nodes 有权
标题翻译：交换节点堆叠中的交换节点的远程控制
公开(公告)号：US20060023640A1
公开(公告)日：2006-02-02
申请号：US10901873
申请日：2004-07-29
申请人： Rong-Feng Chang , Mike Twu , Craig Barrack , Allen Yu
发明人： Rong-Feng Chang , Mike Twu , Craig Barrack , Allen Yu
IPC分类号： H04L12/28
CPC分类号： H04L41/0803 , H04L49/555 , H04L49/557 , H04L49/65
摘要： A methods and apparatus for remote management of switching network nodes in a stack via in-band messaging are presented. Switching nodes in the stack default to reserved switching node identifiers and stacking ports default to a blocking state upon startup, restart, and reset. Each command frame received via a blocking state is forwarded to a command engine at each switching node and is acknowledged with the current switching node identifier. Each acknowledgement frame bearing the reserved network node identifier triggers configuration of the acknowledging switching node. Switching nodes and the management processor track interrupt state vectors regarding events. An interrupt acknowledgement process is employed to track raised interrupts. Configuration of switching node is performed via command frames transmitted by the management processor and destined to a command engine associated with the switching node. Services provided by the management processor are requested via control frames destined to the switching node to which the management processor is attached and destined to the management port thereof. The advantages are derived from engineered switching node deployments wherein an appropriate number of management processors, less than the number of switching nodes in the stack, are employed to provide services to corresponding switching nodes in the stack, based on processing, control, and configuration bandwidth requirements. The in-band configuration and control of the switching nodes in the stack reduce deployment, configuration, management, and maintenance overheads.
摘要翻译：提出了一种用于通过带内消息传递来对堆叠中的交换网络节点进行远程管理的方法和装置。堆叠中的交换节点默认为保留的交换节点标识符，堆叠端口在启动，重新启动和重置时默认为阻塞状态。经由阻塞状态接收的每个命令帧被转发到每个交换节点处的命令引擎，并且用当前交换节点标识符进行确认。具有保留网络节点标识符的每个确认帧触发确认交换节点的配置。交换节点和管理处理器跟踪关于事件的中断状态向量。采用中断确认过程来跟踪提升的中断。交换节点的配置通过由管理处理器发送并发往与交换节点相关联的命令引擎的命令帧来执行。由管理处理器提供的服务通过去往管理处理器所连接的转发节点的控制帧被请求并发往其管理端口。优点来源于工程交换节点部署，其中基于处理，控制和配置带宽，采用小于堆叠中的交换节点数量的适当数量的管理处理器来向堆栈中的相应交换节点提供服务要求。堆叠中的交换节点的带内配置和控制可以减少部署，配置，管理和维护开销。

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