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Network timely reliability accelerated test method based on M/M/s queuing model

A queuing model and reliability technology, which is applied in the direction of data exchange network, digital transmission system, electrical components, etc., can solve the problems of low evaluation confidence and long reliability test time, and achieve the effect of improving test efficiency

Active Publication Date: 2013-04-03
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that the reliability test time is too long or the confidence level of the short-term test evaluation is low, and proposes a network timely reliability acceleration test method based on the M / M / s queuing model. Derivation and verification of the model, formulation of network timely reliability acceleration test plan

Method used

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  • Network timely reliability accelerated test method based on M/M/s queuing model

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Embodiment

[0063] The simulation part in the embodiment of the present invention starts with figure 2 Shown OPNET queuing model is example, specifically set forth the emulation verification of the acceleration model in the inventive method, test part is with image 3 The actual communication network shown is taken as an example to illustrate the specific reliability acceleration test scheme.

[0064] figure 2 There are 3 nodes in it, which are the data sender (src), the queuing mechanism (queue) and the data receiver (sink). The data packet arrival interval and the distribution of data packet length can be set at the sending end, and the queuing rules and service time distribution can be set at the queuing mechanism.

[0065] The network timely reliability acceleration test method based on the M / M / s queuing model of the present invention, the steps are as follows figure 1 As shown, wherein steps 1, 2, and 3 are the same as those in the specific implementation mode, and are not repea...

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Abstract

The invention discloses a network timely reliability accelerated test method based on an M / M / s queuing model. The method includes the following steps that (1) components of a queuing model are obtained according to a delayed fault mechanism of a communication network queuing model, and service intensity requirements are determined; (2) a network timely reliability model is obtained; (3) a reliability accelerated model is obtained on the basis of a similarity theory; and (4) a network timely reliability accelerated test is performed. According to the network timely reliability accelerated test method based on the M / M / s queuing model, problems that current network reliability tests are overlong in test time, extremely high in costs or insufficient in quantity of short time test samples and low in confidence coefficient can be effectively solved, and thereby the test efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of network communication and reliability, and in particular relates to a network timely reliability acceleration test method based on an M / M / s queuing model. Background technique [0002] With the continuous development and application of network technology, the scientific understanding of the quantitative and qualitative characteristics of the network has become an extremely important challenging topic, even called "the new science of the network". With the popularization of network usage and the increase of network load, the timely reliability caused by congestion has become an important issue in the understanding of network quantitative characteristics. [0003] Before a new network is built and a new service is put into use, testing is an important way to assess network reliability. However, the network task period is generally long. In order to effectively expose faults, the network reliability test ti...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04L12/861
Inventor 李枚楠李瑞莹黄宁
Owner BEIHANG UNIV
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