End-to-end quality of service provisioning through inter-provider traffic engineering

Authors:
Michael P. Howarth;Mohamed Boucadair;Paris Flegkas;Ning Wang;George Pavlou;Pierrick Morand;Thibaut Coadic;David Griffin;Abolghasem Asgari;Panos Georgatsos
Affiliations:
University of Surrey, Guildford GU2 7XH, UK;France Telecom R&D, Rue des Coutures, 14066 Caen, France;University of Surrey, Guildford GU2 7XH, UK;University of Surrey, Guildford GU2 7XH, UK;University of Surrey, Guildford GU2 7XH, UK;France Telecom R&D, Rue des Coutures, 14066 Caen, France;France Telecom R&D, Rue des Coutures, 14066 Caen, France;University College London, London WC1E 7JE, UK;Thales Research and Technology Ltd., Worton Drive, Worton Grange, Reading RG2 0SB, UK;Algonet SA, 17672 Kalithea, Athens, Greece
Venue:
Computer Communications
Year:
2006

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Abstract

This paper addresses the issue of delivering solutions that will enable the incremental implementation of inter-domain quality of service (QoS) in the multi-provider commercial Internet. The paper first introduces a holistic architecture that describes the key functions required to support inter-domain QoS, and then proceeds to present results from two major components of the architecture. A genetic algorithm for QoS-aware offline inter-domain traffic engineering is first presented, and it is shown through simulation studies how this can optimise the apportionment of QoS provisioning between adjacent domains. Secondly, QoS enhancements to BGP are proposed and the results of a testbed implementation are described, demonstrating how this QoS-enhanced BGP can deliver inter-domain QoS routing.