Reducción de Congestión Mediante Técnicas de Optimización de Flujos en Redes MPLS (Minimization of Congestion in MPLS Networks by means of Flows Optimization Techniques)

Mónica Huerta (mhuerta@entel.upc.edu)1, Xavier Hesselbach (xavier.hesselbach@entel.upc.edu)1, Ramón Fabregat (ramon@eia.udg.es)2, Jhon Padilla (jpadilla@upbbga.edu.co)3, Oswaldo Ravelo (oravelo@usb.ve)4, Roger Clotet (rclotet@lsi.upc.edu)5


1Departamento de Ingeniería Telemática, Universidad Politécnica de Cataluña
2Departamento de Electrónica, Informática y Automática del Instituto de Informática y Aplicaciones de la Escuela Politécnica Superior - Universidad de Girona
3Facultad de Ingeniería Electrónica, Universidad Pontificia Bolivariana
4Departamento de Conversión y Transporte de Energía de la Universidad Simón Bolívar
5Departamento de Lenguajes y Sistemas de la Universidad Politécnica de Cataluña

This paper appears in: Revista IEEE América Latina

Publication Date: Sept. 2007
Volume: 5,   Issue: 5 
ISSN: 1548-0992


Abstract:
In this paper, we propose an optimized model that provides QoS by minimization of the congestion in the Label Switching Path (LSP) in a MPLS networks. We analyzed Capacity and Flow Allocation (CFA) model which doesn’t consider the size of the buffer for the calculation of capacities cost; this deficiency is solved by our model which we called Allocation of the Capacity of Buffer (ACB). The results of the simulations show that the proposed model minimizes the congestion in the LSP and uniformly distribute the flow in each link compared with the models: GFA and OCL

Index Terms:
Quality of service, Congestion, Optimization, MPLS.   


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