Research Unit in Networking
	Abstract

Architecture d'une boîte à outils d'algorithmes d'ingénierie de trafic et application au réseau GEANT F. Skivée1 , S. Balon1, O. Delcourt1, J. Lepropre1 and G. Leduc1 1 Research unit in Networking, EECS department, University of Liège, Belgium 2 Research unit in Networking, EECS department, University of Liège, Belgium 3 Research unit in Networking, EECS department, University of Liège, Belgium 4 Research unit in Networking, EECS department, University of Liège, Belgium 5 Research unit in Networking, EECS department, University of Liège, Belgium (2005) Abstract This paper presents the software architecture of a traffic engineering toolbox. The methods already included cover MPLS-based intra-domain traffic engineering (TE), but will soon cover IP-based TE and inter-domain TE. This toolbox provides an open source software that allows an operator to test methods coming from the academic research. A researcher can also use the toolbox for comparing and promoting his/her TE algorithms. The toolbox is designed to be deployed as an on-line tool in a operational network or as a traffic engineering simulator. We present a case study of traffic optimisation on the GÉANT network that compares different routing algorithms, evaluates different protection cost, and analyses the worst-case link failure.

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