The issue of energy-aware traffic engineering has become prominent in telecommunications industry in the last years. This paper presents a two-criteria network optimization problem, in which routing and bandwidth allocation are determined jointly, so as to minimize the amount of energy consumed by a telecommunication infrastructure and to satisfy given demands represented by a traffic matrix. A scalarization of the criteria is proposed and the choice of model parameters is discussed in detail. The model of power dissipation as a function of carried traffic in a typical software router is introduced. Then the problem is expressed in a form suitable for the mixed integer quadratic programming (MIQP) solver. The paper is concluded with a set of small, illustrative computational examples. Computed solutions are implemented in a testbed to validate the accuracy of energy consumption models and the correctness of the proposed traffic engineering algorithm.
@article{bwmeta1.element.bwnjournal-article-amcv26i1p231bwm, author = {Przemys\l aw Jask\'o\l a and Piotr Arabas and Andrzej Karbowski}, title = {Simultaneous routing and flow rate optimization in energy-aware computer networks}, journal = {International Journal of Applied Mathematics and Computer Science}, volume = {26}, year = {2016}, pages = {231-243}, zbl = {1336.90024}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-amcv26i1p231bwm} }
Przemysław Jaskóła; Piotr Arabas; Andrzej Karbowski. Simultaneous routing and flow rate optimization in energy-aware computer networks. International Journal of Applied Mathematics and Computer Science, Tome 26 (2016) pp. 231-243. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-amcv26i1p231bwm/
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