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Traffic playback method and system for virtual network

A virtual network and traffic technology, applied in transmission systems, digital transmission systems, data exchange networks, etc., to improve the simulation degree and improve the traffic system.

Active Publication Date: 2013-09-25
INST OF INFORMATION ENG CHINESE ACAD OF SCI
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  • Abstract
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Problems solved by technology

[0012] The technical problem to be solved by the present invention is to provide a virtual network-oriented traffic playback method and system, which is used to solve the problem that the virtual network cannot be well used for traffic playback in the prior art

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  • Traffic playback method and system for virtual network
  • Traffic playback method and system for virtual network
  • Traffic playback method and system for virtual network

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Embodiment Construction

[0052] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0053] Such as figure 1 As shown, this embodiment provides a virtual network-oriented traffic playback method, including:

[0054] Step 1, capture and process real traffic at any real traffic collection point, and extract the real IP address set R_IP and timestamp information;

[0055] Step 2, establish a corresponding bipartite graph according to the real traffic communication relationship, and perform a depth-first search on the bipartite graph, so as to divide the real IP address set R_IP into two disjoint sets R_IPA and R_IPB;

[0056] Step 3, will route the interface v_interface through any virtual network i All virtual nodes communicating are divided into two disjoint sets V_IPA i with V_IPB i ;

[0057] ...

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Abstract

The invention relates to a traffic playback method and system for a virtual network. The traffic playback method includes a first step of capturing and processing real traffic, extracting a real IP address set R_IP, a second step of conducting depth-first search on a bipartite graph which is generated by real traffic communication relationships, dividing the real IP address set R_IP into two disjoint sets, namely, a set R_IPA and a set R_IPB, a third step of dividing all virtual nodes which are in communication through any virtual network routing interface v_interfacei into two disjoint sets, namely a set V_IPAi and a set V_IPBi, a fourth step of calculating similarities of all the virtual network routing interfaces and a real traffic collecting point, a fifth step of selecting a virtual network interface which is most similar to the real traffic collecting point to be used as a mapping node of the traffic collecting point, conducting IP address mapping based on the mapping mode, and a sixth step of traversing the real traffic again to achieve real traffic playback in the virtual network. When the traffic is played back in the virtual network through the traffic playback method and system for the virtual network, the real traffic communication environment is restored as good as possible, and the virtual network traffic system is improved.

Description

technical field [0001] The present invention relates to the technical field of virtualization and traffic playback, in particular to the playback technology of real traffic in a virtual network, and in particular to a virtual network-oriented traffic playback method and system. Background technique [0002] With the development of technologies such as virtualization and network simulation, more and more cyberspace researches that cannot be fully implemented in complex real networks, such as network security tool testing and network attack scenario construction, are carried out in virtual networks. What matters is whether the virtual network can improve its authenticity as much as possible to provide a credible research platform for related research tests. The most important embodiment of virtual network authenticity lies in the authenticity of traffic, which not only requires the virtual network to be able to build network topology on demand, but also needs to be able to rep...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/26
Inventor 云晓春郝志宇李伦张永铮费海强丁振全
Owner INST OF INFORMATION ENG CHINESE ACAD OF SCI
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