Optimization of bandwidth allocation in communication networks with penalty cost

  • Authors:
  • Jun Wu;Wuyi Yue;Shouyang Wang

  • Affiliations:
  • Institute of Intelligent Information and Communications Technology, Konan University, Kobe, Japan;Department of Information Science and Systems Engineering, Konan University, Kobe, Japan;Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing, China

  • Venue:
  • ICCS'05 Proceedings of the 5th international conference on Computational Science - Volume Part III
  • Year:
  • 2005

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Abstract

In this paper, we present an analysis on optimization and risk management in Communication Networks (CNs). The model is proposed for offline traffic engineering optimization, which takes a centralized view of bandwidth allocation, performance control, and risk control of network profit shortfall. First, we introduce a linear penalty cost in the CN optimization model and derive the optimal bandwidth capacity with the penalty cost. Then, we use the mean-variance approach to analyze the profit shortfall risk in CNs. Finally, numerical results are shown to reveal the impact of the penalty cost on the CNs performance.