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An integer linear programming formulation for power equalization placement to limit jamming attack propagation in transparent optical networks
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Optical Network Laboratory (ON Lab). (ONLab)
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Optical Network Laboratory (ON Lab). (ONLab)ORCID iD: 0000-0001-6704-6554
2014 (English)In: Security and Communication Networks, ISSN 1939-0114, E-ISSN 1939-0122, Vol. 7, no 12, 2463-2468 p.Article in journal (Refereed) Published
Abstract [en]

Transparent optical networks can be highly vulnerable to various physical-layer attacks, such as high-power jamming, which can cause widespread service disruption and even service denial. The propagation of such attacks can be thwarted with wavelength-selective attenuators, referred to as power equalizers, installed at the network nodes. However, employing all nodes with power equalization functionality can lead to substantial costs. In previous work, we proposed a heuristic approach for sparse power equalization placement to limit jamming attack propagation cost-effectively. The approach provides suboptimal solutions quickly; however, it does not guarantee optimality. Because placement of such power equalization is a long-term planning problem affecting the capital expenditures of the network operator, solution quality is more critical than execution time. Thus, in this paper, we propose an integer linear programming formulation for the problem to guarantee optimality in terms of the number of power equalizers placed. Evaluation results show that our proposed integer linear programming formulation is able to solve moderately sized problems in reasonable time. These results also support the efficiency of our previously proposed heuristic by confirming its ability to find optimal solutions for the cases tested.

Place, publisher, year, edition, pages
2014. Vol. 7, no 12, 2463-2468 p.
Keyword [en]
transparent optical networks, high-power jamming attacks, power equalizer placement, integer linear programming (ILP)
National Category
Communication Systems Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-157408DOI: 10.1002/sec.958ISI: 000345633500018Scopus ID: 2-s2.0-84911937403OAI: oai:DiVA.org:kth-157408DiVA: diva2:769880
Note

QC 20150116

Available from: 2014-12-09 Created: 2014-12-09 Last updated: 2017-12-05Bibliographically approved

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Wosinska, Lena

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