Network Robustness Improvement Based on Alternative Paths Consideration
Jean Claude Lebègue (Sopra Steria, TU Delft - Control & Simulation)
Daniel Delahaye (Ecole Nationale de L’Aviation Civile)
J.M. Hoekstra (TU Delft - Control & Simulation)
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Abstract
Many transportation networks have complex infrastructures (road, rail, airspace, etc.). The quality of service in air transportation depends on weather conditions. Technical failures of the aircraft, bad weather conditions, strike of the company’s staff cause delays and disrupt traffic. How can the robustness of such networks be improved? Improving the robustness of air transportation would reduce the cascading delays between airports and improve the passenger journey. Many studies have been done to find critical links and nodes, but not so many analyze the paths. In this paper, we propose a new method to measure network robustness based on alternative paths. Besides improving the robustness of the French (respectively Turkish Airlines and European) low-cost flight network by 19% (respectively 16% and 6.6%), the method attempts to show the relevance of analyzing the network vulnerability from a path-based approach.