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Saturday 30 September 2023,

Krzysztof Walkowiak seminarVarious Approaches for Optimization of Elastic Optical networks

Krzysztof Walkowiak
Wroclaw University of Technology
Wroclaw, Poland

Tuesday, February 2, 2016
1:30–2:30 p.m.
Brickyard (BYENG) 210, Tempe campus [map]


The talk will concentrate on optimization of EONs. First, the most popular network services will be briefly discussed together with predictions on network traffic. Next, the general idea of Elastic Optical Networks will be introduced. The main part of the talk will be focused on optimization of EONs in the context of traffic patterns following from cloud computing and content-oriented networking. In more details, various approaches for optimization of EONs will be discussed including ILP (Integer Linear Programming) modeling, heuristic and metaheuristic algorithms. Some illustrating results obtained on real topologies will be reported to show performance of various optimization methods in the context of EONs.


Krzysztof Walkowiak received the Ph.D. degree and the D.Sc. (habilitation) degree in computer science from the Wroclaw University of Technology, Poland, in 2000 and 2008, respectively. Currently, he is an Associate Professor at the Department of Systems and Computer Networks, Faculty of Electronics, Wroclaw University of Technology. His research interest is mainly focused on modeling and optimization of communication networks including: elastic optical networks, overlay network, content-oriented networks, survivable networks, distributed computing systems. Prof. Walkowiak has been involved in many research projects related to optimization of communication networks. He received The 2014 Fabio Neri Best Paper Award, Best Paper Award in the 7th International Workshop on Design of Reliable Communication Networks (DRCN 2009), Best Paper Award in the 7th International Workshop on Reliable Networks Design and Modeling (RNDM 2015). Moreover, he has been consulting ICT projects for large companies including Ernst and Young, Skanska, TP SA, PZU, PKO BP, Energia Pro, BNP Paribas. Prof. Walkowiak published more than 200 scientific papers including the best journals in the field of optimization and modeling of communication networks. He is an Associate Editor of the Journal of Network and Systems Management and he serves as a reviewer for many international journals and conferences. Prof. Walkowiak is a senior member of IEEE and ComSoc.

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