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A TCP/IP network performance evaluation prediction method

A prediction method and technology of network performance, applied in data exchange networks, special data processing applications, instruments, etc., can solve problems such as the lack of evaluation and prediction models and criteria, and the inability of traditional methods to solve network evaluation and prediction.

Inactive Publication Date: 2007-08-15
SOUTHWEAT UNIV OF SCI & TECH
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  • Claims
  • Application Information

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Problems solved by technology

For a network that already exists and is in normal use, there is still a lack of general evaluation and prediction models and criteria, and traditional methods cannot solve the problem of network evaluation and prediction well.

Method used

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  • A TCP/IP network performance evaluation prediction method
  • A TCP/IP network performance evaluation prediction method
  • A TCP/IP network performance evaluation prediction method

Examples

Experimental program
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Effect test

Embodiment Construction

[0077] Build the experimental platform shown in Figure 1, which consists of SDH ring network and limits the bandwidth through PCM. Loading the transmission of data, voice, and video services on the platform can measure the key indicators of the current network operation: bottleneck bandwidth, available bandwidth, packet loss retransmission rate, delay, etc. Establish the evaluation model shown in Figure 2, collect various data obtained from the network test, perform feature extraction and data processing, and evaluate the function and performance of the network according to the evaluation standard, and generate intuitive reports, documents, graphs, etc. . According to this model, the final evaluation results of the system, network carrying capacity estimation and business optimization can be completed. The network performance intelligent evaluation and prediction system uses VC++ as the development platform, and can realize offline evaluation and prediction on a host computer...

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Abstract

The TCP / IP network performance evaluation prediction method comprises: analyzing bandwidth, time delay and missing package rate; using modified BPNN to decide network performance on condition with a certain load. This invention integrates several indexes comprehensively, can predict network load capacity and optimizes business for proper transmission control.

Description

1. Technical field [0001] The invention relates to a TCP / IP network performance evaluation and prediction method, which belongs to the field of Internet testing. This method introduces intelligent algorithms into the evaluation model, and proposes a network evaluation method based on improved BP neural network, and a network optimal and increaseable service prediction method based on hybrid genetic algorithm. Compared with the traditional method, the method of the present invention does not need to establish a complex mathematical model, and can comprehensively consider multiple network performance indicators, so that the evaluation and prediction are more reasonable and effective. 2. Background technology [0002] In network transmission, it is necessary to determine the current state of the network, predict the types and quantities of services that can be transmitted, the expected time for transmission to reach the destination, the quality and efficiency of transmission, a...

Claims

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Application Information

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IPC IPC(8): H04L12/26H04L29/06G06F17/50
Inventor 李磊民姚远程张晓琴唐东明余张国肖宇峰张华
Owner SOUTHWEAT UNIV OF SCI & TECH
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