Optimized protection schemes for resilient interdomain traffic distribution

Authors:
Mirosław Kantor;Piotr Chołda;Andrzej Jajszczyk
Affiliations:
Department of Telecommunications, AGH University of Science and Technology, Kraków, Poland;Department of Telecommunications, AGH University of Science and Technology, Kraków, Poland;Department of Telecommunications, AGH University of Science and Technology, Kraków, Poland
Venue:
GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
Year:
2009

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Abstract

Due to the development of Next Generation Networks, leading to a multiservice transport layer with a multidomain environment, the importance of interconnection issues keeps growing. As the number of possible partners increases, operators face different routing options with regard to service quality and cost. We present the extension of the Least Cost Routing (LCR) concept which takes into account the reliability issues. As for a large number of variables the LCR problem is unsolvable, some heuristic algorithms to find the problem solution are proposed and evaluated. The solution helps to optimize connections among telecommunication operators by minimizing costs for served demands and protecting against network failures.