Efficient OSPF weight allocation for intra-domain qos optimization

Authors:
Pedro Sousa;Miguel Rocha;Miguel Rio;Paulo Cortez
Affiliations:
Dep. of Informatics, University of Minho, Portugal;Dep. of Informatics, University of Minho, Portugal;Dep. of Electronic and Electrical Engineering, University College London, UK;Dep. of Information Systems, University of Minho, Portugal
Venue:
IPOM'06 Proceedings of the 6th IEEE international conference on IP Operations and Management
Year:
2006

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Abstract

This paper presents a traffic engineering framework able to optimize OSPF weight setting administrative procedures. Using the proposed framework, enhanced OSPF configurations are now provided to network administrators in order to effectively improve the QoS performance of the corresponding network domain. The envisaged NP-hard optimization problem is faced resorting to Evolutionary Algorithms, which allocate OSPF weights guided by a bi-objective function. The results presented in this work show that the proposed optimization tool clearly outperforms common weight setting heuristics.