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Method for evaluating overall performance of network based on multi-measure deviation maximization

A technology for maximizing deviation and evaluating methods, which is applied in data exchange networks, digital transmission systems, electrical components, etc., and can solve problems such as the inability to analyze and evaluate the overall performance of the network

Inactive Publication Date: 2012-05-23
PLA UNIV OF SCI & TECH
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  • Application Information

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Problems solved by technology

[0005] The purpose of this invention is to solve the problem that the current analysis method cannot analyze and evaluate the overall performance of the network, and propose a multi-measure deviation maximization based on the network performance matrix The network performance evaluation method, which uses the method of maximizing the deviation in the uncertain multi-measure decision-making theory to evaluate the overall performance of the network

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  • Method for evaluating overall performance of network based on multi-measure deviation maximization
  • Method for evaluating overall performance of network based on multi-measure deviation maximization
  • Method for evaluating overall performance of network based on multi-measure deviation maximization

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specific Embodiment approach

[0036] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0037] First, the evaluation method of the present invention obtains the environment required by the network performance evaluation matrix by means of network measurement. We use figure 1Take an autonomous system AS with 5 border routers on the right as an example. The measurement process in each border router of the AS (or each measurement host near the router) will measure several measurement indicators between them to other border routers every 5 minutes, such as: when IP packets are transmitted Latency, delay variation, error rate, packet loss rate, false rate, throughput and availability, etc., and arrange these measured values ​​in a row according to the law on the left side of the matrix. If different networks are evaluated, multiple measurement indicators are required for each network participating in the evaluation. In this example, t...

Embodiment 1

[0042] This example gives the image 3 The detailed process of performance evaluation for the three networks a, b and c shown. Network a adopts a star topology, and networks b and c adopt a mesh topology. The link bandwidths of networks a and b are both 100 Mbps, and the link bandwidth of network c is 200 Mbps. In the simulation test, the internal nodes adopt the packet loss strategy of RED, and the routing protocol adopts the dynamic routing strategy realized by the distributed Bellman-Ford method.

[0043] In the network measurement step, each border router in the network sends traffic to other border routers, and the traffic rate increases gradually. Specifically, the three networks are loaded with the same self-similar background traffic whose traffic intensity gradually increases, and the self-similar traffic consists of 100 Pareto traffic generators. Deploy performance measurement agents such as Ping and PathChirp around each border router in the network, so as to real...

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Abstract

The invention relates to a method for evaluating the overall performance of a network based on multi-measure deviation maximization, which solves the problem that the overall performance of the network can not be scientifically and quantitatively analyzed and evaluated at present. In the method, a network performance evaluation model based on a network performance matrix is provided, and an uncertain multi-measure deviation maximization method is adopted to quantitatively evaluate the overall performance of the network, thereby promoting the fair competition of Internet service providers and arousing the enthusiasm of the Internet service providers in improvement of the network performance. The invention has the advantages of basis of strict mathematical theories, scientific and reasonable evaluation and low computational complexity.

Description

technical field [0001] The invention belongs to the field of network data communication, and specifically proposes a method for evaluating the overall performance of the network based on the multi-measure deviation maximization theory of the network performance matrix. Background technique [0002] With the increasing size of the Internet and the diversification of network services, people's requirements for network quality of service (QoS) are also increasing, and the performance of computer networks in terms of reliability, stability, and efficiency are also being increasingly improved. More and more network users and Internet Service Providers (ISPs) are concerned. After paying the fee, network users hope that the network they use will show the required performance; while a powerful ISP hopes that its network will be recognized as having better network performance than other ISP networks. Although the research on network performance evaluation methods has always been a h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24H04L12/26
Inventor 陈鸣周玉明白华利李兵
Owner PLA UNIV OF SCI & TECH
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