Experiments on virtual private network design with concave capacity costs

Original Paper
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Abstract

For the first time in the literature, this paper considers computational aspects of concave cost virtual private network design problems. It introduces careful bound tightening mechanisms and computationally demonstrates how such bound tightening could impressively improve convex relaxations of the problem. It turns out that, incorporating such bound tightening with a general solution approach could significantly enhance the behavior of the solution approach over the problem.

Keywords

Virtual private network design Concave costs Bound tightening Spatial branch and bound 

Notes

Acknowledgements

We would like to thank the anonymous referees for a careful reading and constructive suggestions.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Canada Excellence Research ChairÉcole Polytechnique de MontréalMontréalCanada
  2. 2.University of MazandaranBabolsarIran

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