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Center for Education and Research in Information Assurance and Security

On Detecting Service Violations in QoS Network Domains

Sonia Fahmy - Department of Computer Science, Purdue University

Feb 20, 2002


We design and simulate a system to verify Quality of Service (QoS) in a differentiated services domain. The system uses edge-to-edge monitoring with selected nodes collecting information about domain delays, losses and throughput, and reporting to a Service Level Agreement Monitor (SLAM). The SLAM detects possible SLA violations, bandwidth theft, denial of service attacks, and flags the need to re-dimension the network domain or limit its users.

About the Speaker

Sonia Fahmy is an assistant professor at the Computer Science Department at Purdue University. She completed her PhD degree at Ohio State University in August 1999. Her research interests include multicasting, traffic management, and network security. She has several journal, conference and standards publications. She has served on the program committees of INFOCOM, ICNP and ICC, and co-chaired the SPIE conference on scalability and traffic control in IP networks.

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