Method and device for measuring available bandwidth by using mixed messages

A technology of mixing messages and messages, applied in digital transmission systems, electrical components, transmission systems, etc., can solve the problems of complex calculation process, high calculation complexity, reduce the practicability and flexibility of measurement methods, and achieve practical High flexibility and flexibility, and the effect of reducing complexity

Inactive Publication Date: 2011-02-02
深圳市恒程汇文化科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this case, the passive measurement terminal needs to take auxiliary measures such as installing corresponding measurement programs, which reduces the practicability and flexibility of the measurement method
[0009] 2. The cal

Method used

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  • Method and device for measuring available bandwidth by using mixed messages
  • Method and device for measuring available bandwidth by using mixed messages
  • Method and device for measuring available bandwidth by using mixed messages

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Embodiment Construction

[0035] The technical solutions of the present invention will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.

[0036] The bandwidth measurement in the present invention is mainly the measurement of the available bandwidth of the end-to-end path, wherein one end is an active measurement end, and the other end is a passive measurement end; the active measurement end sends a mixed message to the passive measurement end. The available bandwidth of the path at the end is measured.

[0037] The hybrid message in the present invention refers to a User Datagram Protocol (UDP, User Datagram Protocol) message and an Internet Control Message Protocol (ICMP, Internet Control Message Protocol) message.

[0038] In the present invention, the process of measuring the available bandwidth by using mixed messages is as follows: figure 2 shown, including:

[0039] Step 201, the active measurement end sends an ICMP message to the passive meas...

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Abstract

The invention discloses a method for measuring available bandwidth by using mixed messages, which comprises the following steps: an active measuring end sends an internet control message protocol (ICMP) to a passive measuring end and accounts the network normal ICMP message packet loss rate of the passive measuring end; the active measuring end sends mixed messages to the passive measuring end and accounts the ICMP message average packet loss rate of the mixed messages of the passive measuring end and the active measuring end judges that the difference between the ICMP message average packet loss rate and the network normal ICMP message packet loss rate is greater than a preset packet loss rate threshold, the average speed of the passive measuring end receiving the mixed messages is accounted and used as the available bandwidth from the active measuring end to the passive measuring end. The invention also discloses a device for measuring available bandwidth by using mixed messages. The method and the device can be used for reducing the complexity of bandwidth measurement.

Description

technical field [0001] The invention relates to the field of computer network electronic communication, in particular to a method and device for measuring available bandwidth by using mixed messages. Background technique [0002] With the development of computer technology, the Internet (Internet) has gradually become one of the important platforms for people to obtain information and communicate with each other. The rapid global expansion of the Internet and the rapid development of new services such as real-time services and multimedia services on the Internet have led to a decline in the performance of the Internet network. At present, the main factors affecting network performance are link bandwidth, link bottleneck, application and protocol design, and host system. Among them, link bandwidth is the most important network resource and one of the main determinants of transmission path performance. , and is closely related to network bottlenecks, overall performance analy...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L12/56H04L12/26
CPCH04L43/0882H04L43/0829
Inventor 李瑞李晋谭然乾春燕
Owner 深圳市恒程汇文化科技有限公司
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