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System and method for identifying an ingress router of a flow when no IP address is associated with the interface from which the flow was received

a flow and flow technology, applied in the field of computer software for vpn network analysis, can solve the problem of sacrifice of the accuracy of the ingress router identification

Inactive Publication Date: 2014-12-18
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In one embodiment, NET FLOW information is only collected for interfaces on such one hop P routers that were received in the map of TP addresses and indices of the one hop P routers to which PE routers are directly retrieved from routers more interior to the provider network than one hop from the PE routers, but doing so can sacrifice the accuracy of the ingress PE router identification.

Method used

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  • System and method for identifying an ingress router of a flow when no IP address is associated with the interface from which the flow was received
  • System and method for identifying an ingress router of a flow when no IP address is associated with the interface from which the flow was received
  • System and method for identifying an ingress router of a flow when no IP address is associated with the interface from which the flow was received

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Embodiment Construction

[0027]The present invention may be implemented as computer, software on a conventional computer system. Referring now to FIG. 1, a conventional computer system 150 for practicing the present invention is shown. Processor 160 retrieves and executes software instructions stored in storage 162 such as memory, which may be Random Access Memory (RAM) and may control other components to perform the present invention. Storage 162 may be used to store program instructions or data or both. Storage 164, such as a computer disk drive or other nonvolatile storage, may provide storage of data or program instructions. In one embodiment, storage 164 provides longer term storage of instructions and data, with storage 162 providing storage for data or instructions that may only be required for a shorter time than that of storage 164. Input device 166 such as a computer keyboard or mouse or both allows user input to the system 150. Output 168, such as a display or printer, allows the system to provid...

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Abstract

A system and method collects information for VPN traffic from non edge routers that are coupled to edge routers and identifies the path the traffic took and the 5 customer corresponding to the VPN. The system and method also identifies the ingress router coupled to the non edge router from which the traffic was collected. The system and method may assign identifiers to-route targets.

Description

RELATED APPLICATION[0001]This application is a continuation of, and claims the benefit and priority under 35 U.S.C. 120 of U.S. Original application Ser. No. 12 / 228,642 filed on 13 Aug. 2008 and entitled “System Method for Identifying an Ingress Router of a Flow When No IP Address is Associated With the Interface From Which The Flow was Received” which is hereby incorporated by reference in its entirety.FIELD OF THE INVENTION[0002]The present invention is related to computer software and more specifically to computer software for VPN network analysis.BACKGROUND OF THE INVENTION[0003]Networks are made up of nodes, and links that connect the nodes to one another. In a computer network, the nodes may include conventional routers, and the links may include the physical wiring that connects the routers and other nodes to one another.[0004]Conventional networks may be made up of customer networks coupled to service provider networks. Each customer network may be managed by that customer w...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H04L12/24H04L12/26H04L12/751H04L45/02
CPCH04L41/0853H04L45/02H04L43/062H04L45/74H04L45/033
Inventor ALAETTINOGLU, CENGIZANANTHAKRISHNAN, HARIHARANKANNA, SATISH K.
Owner PACKET DESIGN