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Peer-to-peer network feature analysis method based on feature association

A network and network flow technology, applied in the field of network information security, can solve problems such as one-sided measurement data and single measurement means, achieve reliable measurement and analysis conclusions, and reduce manual intervention

Inactive Publication Date: 2011-12-28
UNIV OF ELECTRONIC SCI & TECH OF CHINA
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Problems solved by technology

[0003] In order to overcome the problem of single measurement means and one-sided measurement data in the existing methods, on the basis of analyzing and classifying the current mainstream peer-to-peer networks, research the feature mining technology of peer-to-peer networks with artificial intelligence and autonomous learning capabilities, and establish peer-to-peer network master The monitoring system combined with passive measurement comprehensively discovers new and hidden features of peer-to-peer networks from multiple levels such as peer-to-peer network structure, message flow, and user behavior, and tracks and analyzes the time and space characteristics of peer-to-peer network monitoring results , establish the evolution law model of the peer-to-peer network on the above-mentioned various characteristic levels, and explore the application of the comprehensive characteristic analysis algorithm of the peer-to-peer network, and realize the monitoring and analysis of multi-level and multi-characteristics

Method used

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  • Peer-to-peer network feature analysis method based on feature association
  • Peer-to-peer network feature analysis method based on feature association
  • Peer-to-peer network feature analysis method based on feature association

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Embodiment Construction

[0016] The overall framework process of the present invention is as follows:

[0017] 1. Measure and count the network characteristic parameters.

[0018] Generally speaking, the peer-to-peer network abstract protocol can be described as follows:

[0019] 1. Join the peer-to-peer network. Node v is connected to D cache points, and the selection of cache nodes can adopt a random selection strategy or other more complicated selection strategies.

[0020] 2. The neighbor reconnects. When the neighbor of node v leaves the network, node v will select a new cache node as its neighbor. The selection strategy of the cache node can be random selection or a more complex strategy.

[0021] 3. Cache node replacement. When the number of neighbors of the cache node v exceeds C, or leaves the peer-to-peer network, other nodes (non-cache nodes) need to be selected as a new supplement. Let vk be the k-th node in the cache node set, the basic strategy selected is:

[0022] k=0;

[0023] while (not foun...

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Abstract

The invention discloses a method for analyzing characteristics of a peer-to-peer network (Peer-to-Peer networking, P2P). This method monitors the peer-to-peer network from multiple levels such as structural characteristics, traffic characteristics, and user behavior characteristics, and realizes the acquisition of peer-to-peer network characteristic indicators and network Situational awareness, thus providing a basic support platform and technical support for peer-to-peer network security early warning, incident emergency response and other research.

Description

Technical field [0001] The invention relates to the field of network information security, in particular to a method for analyzing characteristics of a peer-to-peer network (Peer-to-Peer networking, P2P). Background technique [0002] At present, the widespread popularity of peer-to-peer network applications on the Internet has become the mainstream application technology of the Internet. The measurement, extraction and analysis of the characteristics of the peer-to-peer network can effectively guide the design and implementation of the new P2P protocol, and can provide reliable data protection for the detection and early warning of large-scale interconnection network security events. Peer-to-peer network systems are characterized by large-scale complexity, strong dynamics, and temporal and spatial evolution characteristics. From the current state of technological development, most of the researches are limited to the measurement and analysis of a single network feature or part,...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L29/08G06F17/30
Inventor 秦志光张凤荔王勇
Owner UNIV OF ELECTRONIC SCI & TECH OF CHINA
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