Design and implementation of a scalable constraint-based routing module for QoS path computation
Proceedings of the 4th international IFIP/ACM Latin American conference on Networking
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In this study, an offline traffic engineering model forMulti-Protocol Label Switching (MPLS) networks is introduced.The model aims at mapping the traffic trunks,consisting of both Best-Effort traffic and traffic with QoSrequirements, onto the network. For an optimal networkmanagement, three different objectives are taken intoconsideration, namely minimal routing delay, optimalload-balance in the network, and minimal splitting of traffictrunks. This multi-criteria network optimization problemis formulated as a mixed integer problem. A case study iscarried out in order to analyze the basic properties of themodel and the trade-off between the objectives for differenttypes of traffic.Keywords: Multi-Protocol Label Switching (MPLS), OfflineTraffic Engineering, Multiobjective Optimization