High-precision network bandwidth measurement system capable of diagnosing tight link position

A network bandwidth and measurement system technology, applied in the field of network measurement, can solve the problems of low accuracy of available bandwidth estimates and high measurement overhead, and achieve the effects of avoiding time information errors, overcoming high measurement overhead and accurate measurement.

Pending Publication Date: 2021-12-28
UNIV OF ELECTRONIC SCI & TECH OF CHINA
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to provide a high-precision network bandwidth measurement system capable of diagnosing tight link locations, so as to solve the problem of low accuracy

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  • High-precision network bandwidth measurement system capable of diagnosing tight link position
  • High-precision network bandwidth measurement system capable of diagnosing tight link position
  • High-precision network bandwidth measurement system capable of diagnosing tight link position

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Embodiment Construction

[0041] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples.

[0042] Such as figure 1 As shown, the present invention provides a high-precision network bandwidth measurement system capable of diagnosing the location of tight links, where tight links refer to the link with the smallest available bandwidth B in the path, including: a measurement probe and a measurement console;

[0043] The measurement probe is used to receive the measurement sequence parameters provided by the measurement console, and generate a measurement message sequence according to the received measurement sequence parameters; send the measurement message sequence to the path to be measured through the network interface, and obtain the measurement message sequence in The record parameters of the sending end of the path to be tested, the recor...

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Abstract

The invention provides a high-precision network bandwidth measurement system capable of diagnosing the position of a tight link, which is used for setting measurement sequence parameters according to the actual condition of a path to be measured and realizing the measurement of the position and available bandwidth of the tight link by combining with a self-induced congestion principle. According to the method, after a measurement probe generates a measurement message sequence according to set measurement sequence parameters, the measurement message sequence is grouped to a to-be-measured path through an IP protocol; in the IP forwarding process, due to existence of a tight link, message sequence characteristics of a measurement message are changed, and recording parameters of a sending end and a receiving end are different. And the measurement console calculates the position and size information of the tight link based on the recorded parameters of the sending end and the recorded parameters of the receiving end in combination with the ICMP error notification information. Compared with the prior art, the frequency of injecting the detection flow into the network link is effectively reduced while the accuracy is not influenced, and the problem of high measurement overhead in a network bandwidth measurement scheme is solved.

Description

technical field [0001] The invention belongs to the technical field of network measurement, and relates to a high-precision network bandwidth measurement system capable of diagnosing tight link positions. Background technique [0002] With the rapid development of network technology, convenient and rich network applications play an important role at all levels, greatly changing our way of life, and the network has become an extremely important part of today's social life. Since the network has become an extremely important part of today's social life, the research on network measurement technology has received continuous attention. In the field of communication networks, the end-to-end available bandwidth can be used to represent the congestion state and the accessible traffic between two end points. End-to-end available bandwidth plays an important role in setting congestion mechanism and service request access control. [0003] In the measurement of available network ban...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04L12/26
CPCH04L41/14H04L41/145H04L41/142H04L43/0823H04L43/0829H04L43/0852H04L43/0876H04L43/0894H04L43/12Y02D30/50
Inventor 王京梅刘宇孙馗苡
Owner UNIV OF ELECTRONIC SCI & TECH OF CHINA
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