Building Quality of Service Monitoring Systems for Traffic Engineering and Service Management [Vol. 11, No. 4, 2003]

Building Quality of Service Monitoring Systems for Traffic Engineering and Service Management

A. Asgari
Thales Research & Technology (UK) Limited,
Worton Drive,
Reading RG2 0SB,
United Kingdom.
Email: Hamid.Asgari_AT_thalesgroup.com

P. Trimintzios
Centre for Communication Systems Research (CCSR),
University of Surrey,
Guildford, Surrey, GU2 7XH,
United Kingdom.
Email: p.trimintzios_AT_eim.surrey.ac.uk

M. Irons
Thales Research & Technology (UK) Limited,
Worton Drive,
Reading RG2 0SB,
United Kingdom.
Email: Mark.Irons_AT_thalesgroup.com

R. Egan
Thales Research & Technology (UK) Limited,
Worton Drive,
Reading RG2 0SB,
United Kingdom.
Email: Richard.Egan_AT_thalesgroup.com

G. Pavlou
Centre for Communication Systems Research (CCSR),
University of Surrey,
Guildford, Surrey, GU2 7XH,
United Kingdom.
Email: g.pavlou_AT_eim.surrey.ac.uk

Abstract
Deployment of quality of service (QoS) based value-added services in IP networks necessitates the use of traffic engineering. Traffic engineering allows service providers to use the network resources efficiently, according to the different quality levels associated with the range of services they offer. Traffic engineering relies typically on monitoring data for both offline proactive and dynamic reactive approaches. Monitoring data may be used for network provisioning, dynamic resource allocation, route management, and in-service performance verification for value-added IP services. A monitoring system should scale with the network size, the network speed, and the number of customers subscribed to use value-added IP services. This paper investigates the requirements of scalable monitoring system architectures, proposes principles for designing such systems and validates these principles through the design and implementation of a scalable monitoring system for traffic engineering and QoS delivery in IP Differentiated Services networks. Methods for assessing the relative merits of such monitoring systems are proposed. Experimental assessment results prove the scalability, accuracy, and also demonstrate the benefits of the proposed monitoring system.

Keywords: IP, QoS Monitoring, Differentiated Services, Passive/active measurements

JNSM: Vol. 11, No. 4, 2003 Building Quality of Service Monitoring Systems for Traffic Engineering and Service Management [Vol. 11, No. 4, 2003]

NOTE: only abstract of paper available on-line; please contact your library or the authors for the full paper

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