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11. 发明申请

US20060198321A1 System and methods for network reachability detection 有权
标题翻译：网络可达性检测的系统和方法
公开(公告)号：US20060198321A1
公开(公告)日：2006-09-07
申请号：US11072082
申请日：2005-03-04
申请人： Thomas Nadeau , Mohammed Sayeed , Michael Piecuch , James Guichard , Jean-Philippe Vasseur
发明人： Thomas Nadeau , Mohammed Sayeed , Michael Piecuch , James Guichard , Jean-Philippe Vasseur
IPC分类号： H04L12/56 , H04L12/28
CPC分类号： H04L43/50 , H04L45/04 , H04L45/36 , H04L45/50 , H04L69/16
摘要： A mechanism for ASBRs to identify the originating node, or router, in an LSP conversant autonomous system (AS), such as an MPLS VPN environment, maintains the identity of the originating node and successive nodes in subsequent autonomous systems along the path to the node to be pinged. The identity of the transporting nodes is stored in a stack or other object associated with the ping request (ping), such that the pinged node may employ the stored identity as a set of return path routing information. Successive ASBRs store their identity on the stack, in an ordered manner, along the path to the destination. Upon reaching the destination (ping) node, the destination node employs the identity of the first node on the stack to send the acknowledgment, or ping response. Each successive ASBR, therefore, pops (retrieves) the next node identity from the stack and redirects (sends) the ping response to the retrieved node.
摘要翻译：用于识别LSP熟练自治系统（AS）（例如MPLS VPN环境）中的始发节点或路由器的机制在沿着节点的路径的后续自治系统中维护始发节点和连续节点的身份要ping 传输节点的身份存储在与ping请求（ping）相关联的堆栈或其他对象中，使得被ping过的节点可以将所存储的身份用作一组返回路径路由信息。连续的ASBR将按照有序的方式将其身份存储在堆栈中，沿着目的地的路径。在到达目的地（ping）节点时，目的地节点采用栈上的第一个节点的身份来发送确认或ping响应。因此，每个连续的ASBR从堆栈中弹出（检索）下一个节点标识，并将ping响应重定向（发送）到检索到的节点。

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