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Flow import method of ns3 simulation system based on netflow

A simulation system and traffic technology, applied in the field of network simulation, can solve problems such as difficulties in importing real traffic data, and achieve the effect of solving storage and maintenance

Active Publication Date: 2019-03-15
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to solve the problem of difficult import of real flow data when using NS3 for large-scale network simulation in the prior art, and proposes a method for importing flow of NS3 simulation system based on Netflow

Method used

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  • Flow import method of ns3 simulation system based on netflow
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  • Flow import method of ns3 simulation system based on netflow

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Embodiment Construction

[0039] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0040] The present invention provides a flow importing method of NS3 simulation system based on Netflow, such as figure 1 shown, including the following steps:

[0041] S1. Collect Netflow traffic statistics information of a real network from a Cisco router (Cisco router).

[0042] This step specifically includes the following sub-steps:

[0043] S11. Configure the Netflow v5 protocol on the Cisco router to be collected, configure the IP address of the Netflow analyzer server or host, and configure the Netflow listening port number, flow separation activity period, and regular flow output time interval. In the embodiment of the present invention, the configuration topology diagram of the collection test network is as follows figure 2 shown.

[0044] S12. Connect the acquisition server or host to the real network, configure the acquisition program comp...

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Abstract

The invention discloses a Netflow-based NS3 simulation system traffic import method. Based on the lack of NS3 simulation system traffic modeling method, the advantages of NS3 modular design and easy expansion are used to add real traffic data import function to the simulation system. The NetFlow information collected on the network device is the original data. After preprocessing, storage and flow mapping, the simulation task file is formed. The simulation system reads the simulation task file and performs the simulation. It fully considers every step from data collection to the final simulation. step. It provides a method that is close to real traffic and considers the cost of data volume for the implementation of large-scale data network upgrades, network optimization and other solutions.

Description

technical field [0001] The invention belongs to the technical field of network simulation, and in particular relates to the design of a flow importing method of a Netflow-based NS3 simulation system. Background technique [0002] With the continuous and rapid growth of network traffic today, new network applications emerge in an endless stream, and network equipment is also accelerating iteration. For enterprises and operators, the cost of network management and monitoring is becoming more and more expensive. Moreover, if the deployment of new protocols and new applications in the entire network and the testing of network behavior and network performance are all carried out on a real network, it will inevitably have an impact on network performance. Therefore, network simulation technology is generally considered to be an effective means of studying complex networks, and computer simulation is widely used in the following aspects of network research: [0003] (1) Understan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/801H04L12/927H04L47/80
CPCH04L47/10H04L47/80
Inventor 于富财李元磊吴轶铭袁进汪辉
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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