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Mathematical Problems in EngineeringVolume 2012 2012, Article ID 737562, 18 pages

Research ArticleDepartment of Industrial Management, National Taiwan University of Science and Technology, Taipei 10607, Taiwan

Received 28 November 2011; Revised 8 February 2012; Accepted 22 February 2012

Academic Editor: Weihai Zhang

Copyright © 2012 Yi-Kuei Lin and Louis Cheng-Lu Yeng. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Evaluating the reliability of a network with multiple sources to multiple sinks is a critical issue from the perspective of quality management. Due to the unrealistic definition of paths of network models in previous literature, existing models are not appropriate for real-world computer networks such as the Taiwan Advanced Research and Education Network TWAREN. This paper proposes a modified stochastic-flow network model to evaluate the network reliability of a practical computer network with multiple sources where data is transmitted through several light paths LPs. Network reliability is defined as being the probability of delivering a specified amount of data from the sources to the sink. It is taken as a performance index to measure the service level of TWAREN. This paper studies the network reliability of the international portion of TWAREN from two sources Taipei and Hsinchu to one sink New York that goes through a submarine and land surface cable between Taiwan and the United States.

Author: Yi-Kuei Lin and Louis Cheng-Lu Yeng

Source: https://www.hindawi.com/


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