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61. 发明申请

US20080219153A1 Constructing a repair path in the event of failure of an inter-routing domain system link 有权
标题翻译：在路由间域网系统链路故障的情况下构建修复路径
公开(公告)号：US20080219153A1
公开(公告)日：2008-09-11
申请号：US11518405
申请日：2006-09-08
申请人： Mike Shand , Stewart F. Bryant , David D. Ward , Gargi Nalawade , Keyur Patel , Stefano B. Previdi , Robert Raszuk
发明人： Mike Shand , Stewart F. Bryant , David D. Ward , Gargi Nalawade , Keyur Patel , Stefano B. Previdi , Robert Raszuk
IPC分类号： G01R31/08
CPC分类号： H04L45/22 , H04L45/04 , H04L45/28
摘要： An apparatus and method as described for constructing a repair path for use in the event of failure of an inter-routing domain connection between respective components in first and second routing domains of a data communications network. The apparatus is arranged to assign a propagatable repair address for use in the event of failure of the inter-routing domain connection and to propagate the repair address via data communications network components other than the inter-routing domain connection.
摘要翻译：描述的用于构建修复路径的装置和方法，用于在数据通信网络的第一和第二路由域中的各个组件之间的路由间域间连接发生故障的情况下使用。该装置被配置为分配可传播的修复地址，用于在路由间连接域连接失败的情况下使用，并且经由除了路由间连接之外的数据通信网络组件来传播修复地址。

62. 发明授权

US07411963B2 Method for dissemination of non-routing information using the IS-IS protocol 有权
标题翻译：使用IS-IS协议传播非路由信息的方法
公开(公告)号：US07411963B2
公开(公告)日：2008-08-12
申请号：US11040629
申请日：2005-01-19
申请人： David D. Ward , Jean-Philippe Vasseur , Stefano B. Previdi
发明人： David D. Ward , Jean-Philippe Vasseur , Stefano B. Previdi
IPC分类号： H04L12/26 , H04J3/14 , G08C15/00 , G06F11/00
CPC分类号： H04L45/50 , H04L45/02 , H04L45/52
摘要： A method and apparatus for the dissemination of non-routing information to nodes of a network is provided. A new type of IS-IS packet (called a NRI IS-IS packet) is described that exclusively carries non-routing information. When the NRI IS-IS packet is received by a router, the router may send the NRI IS-IS packet to an appropriate component responsible for processing non-routing information, without analyzing, verifying, and validating the information carried in each TLV and sub-TLV of the NRI IS-IS packet. Advantageously, the time it takes for routers of the network to achieve convergence is decreased since a IS-IS packet reader need not analyze, verify, and validate information not related to network topology and IP routing. Therefore, when NRI IS-IS packets are received, there is no impact in the convergence time of nodes in the network.
摘要翻译：提供了一种用于将非路由信息传播到网络节点的方法和装置。描述了一种新型的IS-IS分组（称为NRI IS-IS分组），其独有地携带非路由信息。当路由器接收到NRI IS-IS报文时，路由器可以将NRI IS-IS报文发送给负责处理非路由信息的适当组件，而无需分析，验证和验证每个TLV和Sub -TLV的NRI IS-IS包。有利的是，由于IS-IS分组读取器不需要分析，验证和验证与网络拓扑和IP路由不相关的信息，所以网络路由器实现收敛所需的时间被减少。因此，当收到NRI IS-IS报文时，网络节点的收敛时间不会有任何影响。

63. 发明申请

US20080062861A1 Constructing a repair path in the event of non-availability of a routing domain 有权
标题翻译：在路由域不可用的情况下构建修复路径
公开(公告)号：US20080062861A1
公开(公告)日：2008-03-13
申请号：US11518382
申请日：2006-09-08
申请人： Mike Shand , Stewart F. Bryant , David D. Ward , Gargi Nalawade , Robert Raszuk , Keyur Patel , Clarence Filsfils , Stefano B. Previdi
发明人： Mike Shand , Stewart F. Bryant , David D. Ward , Gargi Nalawade , Robert Raszuk , Keyur Patel , Clarence Filsfils , Stefano B. Previdi
IPC分类号： H04J3/14
CPC分类号： H04L45/04 , H04L45/02 , H04L45/28
摘要： In one embodiment, an apparatus and method are described for constructing a repair path in the event of non-availability of a routing domain component of a routing domain comprising, as components, links and nodes. The apparatus is arranged to receive respective network repair addresses from each of the far-side and near-side advertising node for use in the event of non-availability of a routing domain component between the advertising node. The apparatus is further arranged to advertise the near-side advertising node network repair address to one or more far-side nodes via a path external to the routing domain.
摘要翻译：在一个实施例中，描述了在路由域的路由域组件的不可用性的情况下构建修复路径的装置和方法，该路由域组件包括作为组件的链路和节点。该装置被安排为从广播节点和广播节点之间的路由域组件不可用的情况下接收来自远侧和近侧广告节点的相应网络修复地址。该装置还被布置成经由路由域外部的路径将近侧广告节点网络修复地址通告给一个或多个远侧节点。

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