Method for testing maximum available bandwidth of network
A technology with maximum bandwidth and test method, applied in the direction of data exchange network, digital transmission system, electrical components, etc., can solve the problems of slow results, complicated operation of test methods, low test accuracy, etc., and achieve fast results.
Active Publication Date: 2009-02-18
SHENZHEN TENCENT COMP SYST CO LTD
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Problems solved by technology
[0007] In short, the disadvantages of the existing methods for measuring the maximum available bandwidth of the network are: due to the need for error filtering to eliminate the influence of interfering traffic, the test method is complicated to operate, has more processing procedures, and is slower to obtain results; in addition, Since the measurement of transmission delay is difficult, the test accuracy is low
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[0056] In order to make the purpose and technical solution of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples.
[0057] The present invention is a kind of testing method of network maximum available bandwidth, mainly comprises:
[0058] A. Initialize the test code rate to the test initial value;
[0059] B. Under the request of the receiving end, the sending end uses the test code rate as the transmission rate to send a test data packet column, and the receiving end receives the test data packet column, and records the receiving time of each test data packet in the received test data packet column , and use the received test packet column as the current test packet column;
[0060] C. According to the receiving time of each test data packet in the current test data packet column of the record, determine the receiving time interval change trend parameter of the current test ...
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The invention discloses a detecting method of network maximum usable broad band, which comprises the following steps: A. initiating the detected code rate into detecting original value; B. adopting detecting code rate as transmission velocity for sending end; sending a detecting data bag array; detecting data bag array through receiving end; recording each receiving time of detected data bag; regarding the received detected data bag array as present detecting data bag array; C. affirming the gap variation trend parameter of received time of present detecting data bag array; judging whether the received parameter is different from last receiving parameter; increasing or decreasing detecting code rate if yes; returning step B if yes; affirming maximum usable broad band as number between the present and last detecting code rate of detected data bag array for network if not.
Description
technical field [0001] The invention relates to a network capability test technology in the Internet (Internet), in particular to a test method for the maximum available bandwidth of the network. Background technique [0002] With the development of computer technology, the Internet has gradually become one of the main platforms for people to obtain information and realize interconnection. In order to ensure the normal operation of the Internet, it is necessary to test the network conditions. Among them, the maximum network bandwidth and the maximum available network bandwidth are relatively important indicators to measure the network status. see figure 1 , the maximum bandwidth of the network refers to the maximum bandwidth between two nodes on the network, that is, the maximum amount of data that can be transmitted by the network between two nodes in a unit time; the maximum available bandwidth of the network refers to the maximum bandwidth that can be provided between t...
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IPC IPC(8): H04L12/26
Inventor 伍海君
Owner SHENZHEN TENCENT COMP SYST CO LTD