Monitoring and analyzing system for opening shortest path priority route protocol and working method

An open shortest path and routing protocol technology, applied in the field of network interconnection communication, which can solve problems such as slowdown and unstable routing performance.

Inactive Publication Date: 2007-01-31
北京京侨通信工程设计院有限公司
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Problems solved by technology

But instability in routing performance has slowed the trend

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  • Monitoring and analyzing system for opening shortest path priority route protocol and working method
  • Monitoring and analyzing system for opening shortest path priority route protocol and working method
  • Monitoring and analyzing system for opening shortest path priority route protocol and working method

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Embodiment Construction

[0051] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0052] see figure 1 , introduces the network deployment structure of the system of the present invention. According to the network scale or different networking requirements, the actual operating network will be divided into different autonomous domain systems AS (Autonomous System, domain for short), and the IGP protocol is run inside the autonomous domain system, and the OSPF protocol is the mainstream protocol in the IGP. An autonomous domain network running OSPF routing protocol is generally divided into multiple areas AREA, and three autonomous domains are shown in the figure, and area 0 is the backbone area. The idea of ​​the present invention is: the simulated OSPF router is used to monitor the OSPF protocol announcement information in the area, but it doe...

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Abstract

The invention is an Internet OSPF routing protocol monitoring and analyzing system, composed of management node and one or plural monitoring nodes in each AS distributed in a monitored network. And its working method: monitoring nodes distributed in each region of the monitored network collects LSAs in network, adopts SPF algorithm to calculate optimum path tree of each node and determines whether a routing change event happens or not, and collects the routing change information for the management node; the management node integrates the routing change information and maintains two-stage topological diagram comprising: basic connection reflecting network logic diagram and routing change reflecting routing change diagram, and real-timely updates and visually shows the topological diagrams according to the routing change information. And it enlarges system monitored range and can support routing performance monitoring for large-scale, complex, multiregional networks.

Description

technical field [0001] The invention relates to a monitoring and analysis system and a working method of the open shortest path priority OSPF routing protocol used in the Internet, and belongs to the technical field of network interconnection communication. Background technique [0002] With the exponential growth of the Internet scale, its bandwidth capacity and underlying topology have undergone tremendous changes, the network structure has become increasingly complex, and network capabilities have been continuously enhanced. Today's IP network not only carries a large number of traditional data services such as HTTP and FTP, but also stream media services such as VOIP and IPTV continue to grow at a high speed. Telecom operators need to bear the weight of telecom services on IP networks, and vigorously develop NGI / NGN network construction. As we all know, the robustness and reliability of network operation are closely related to efficient and stable routing. However, in l...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/46H04L12/56H04L29/06H04L12/26H04L29/14H04L69/40
Inventor 王芳孙文海焦利林宇崔毅东王永贵
Owner 北京京侨通信工程设计院有限公司
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