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Method for measuring network application performance supporting internet high bandwidth real time video application

A real-time video and network application technology, applied in data exchange networks, digital transmission systems, electrical components, etc., to solve problems such as many configurable parameters, complex use, and untargeted measurement results.

Inactive Publication Date: 2008-10-08
TSINGHUA UNIV
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Problems solved by technology

However, using this method and tool has the following problems: 1) There are many configurable parameters and the use is complicated; 2) The measurement of the "probe" data flow characteristics has nothing to do with a specific application data flow format, and the measurement results are not targeted; 3 ) cannot achieve interoperability with real application systems, etc.

Method used

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  • Method for measuring network application performance supporting internet high bandwidth real time video application
  • Method for measuring network application performance supporting internet high bandwidth real time video application
  • Method for measuring network application performance supporting internet high bandwidth real time video application

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Embodiment Construction

[0054] The inventive method is made up of following three parts organically:

[0055] (1) The measurement method based on the combination of server and application system;

[0056] (2) The measurement method based on the combination of server and client system;

[0057] (3) Distributed measurement service method.

[0058] Support high-performance real-time video application measurement server deployment and network connection topology diagram as shown in figure 1 shown. User A in autonomous domain X and user B in autonomous domain Z need high-performance real-time video communication. Assume that the transmission path from user A to user B is the same as the transmission path from user B to user A, and the application system used is DVTS .

[0059] Before the DVTS application user performs high-performance video communication or when the application is unsuccessful, the method of the present invention is used to measure network and application performance, and the steps to...

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Abstract

A network application performance measuring method which supports the application of high bandwidth real-time video of internet belongs to the technical field of bidirectional transmission performance measurement of IPv4 / IPv6 internet. The invention is characterized in that a random data flow which simulates the virtual real-time video or virtual real-time video data flow is adopted as a ''probe'', a network which combines a user application system with a measuring server and is based on an active mode and a reflection mode and an application performance measuring method thereof, a network which combines the client system with the measuring server and is based on the reflection mode and the application performance measuring method thereof, and the invention has the functions of subscriber identification and DOS attack prevention. The invention effectively realizes the intercommunication of the network measuring method which supports the application of high bandwidth real-time video and the application system. The description languages of the video application subscriber, the application system engineer and the network engineer to the network problem are unified. A real-time automatic and independent measuring environment is established. The criterion is provided for quickly finding out the bandwidth bottleneck of network transmission for diagnosing the failure and settling the problem.

Description

technical field [0001] The invention discloses a network application performance measurement method supporting Internet high-bandwidth real-time video applications, belonging to the technical field of IPv4 / IPv6 network fault diagnosis and performance test methods. Background technique [0002] In recent years, with the development of next-generation Internet technology, an interconnected network infrastructure platform based on IPv4 / IPv6 protocols has been initially formed around the world, and revolutionary applications are in the ascendant. Among them, high-bandwidth and strong real-time video transmission applications are an important part of it. Compared with the existing common h.323 protocol video application (the bandwidth occupied by each video stream is less than 1 Mbps), this type of video application requires that the bandwidth occupied by each video stream is greater than 20 Mbps. Years of practice have shown that the existing Internet is unable to support such ...

Claims

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Application Information

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IPC IPC(8): H04L12/26H04L12/24
Inventor 包丛笑李星蒋锦鹏李崇荣
Owner TSINGHUA UNIV
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