• Panel: Virtualization, panel member, Symantec Government Symposium, Washington, DC, July 31, 2008.
• Web Workloads: Characterization, Modeling, and Application, 3-hour tutorial with V.A.F. Almeida, 2007 World Wide Web Conference, Banff, Canada, May 8, 2007.
• Achieving QoS in Complex Distributed Systems through Autonomic Computing, invited talk, Alcatel Technical Academy, Antwerp, Belgium, October 3, 2005. (Slides)
• Quality of Service Challenges for Web Based Systems and E-commerce, keynote address, Kick-off meeting of the E-Quality Research Center, University of Twente, Enschede, The Netherlands, September 30, 2005.
• Quality of Service Aspects and Metrics in Grid Computing (3.1MB),invited talk, NY Computer Measurement Group, New York, NY, February 11, 2005.
• Fundamental Concepts in Performance Engineering, 3-hour tutorial presented at the 2004 Computer Measurement Group Conference, Las Vegas, NV, December 5, 2004.
• On the Use of Online Performance Models in Autonomic Computing, invited talk at IBM Watson Research Center, Hawthorne, NY, July 15, 2004. (slides - 295KB)
• QoS Challenges and Directions for Large Distributed Systems, invited talk at the Workshop on Quality of Service for Geographically Distributed Systems, Rome, Italy, June 9, 2004 (slides - 594KB).
• Fundamental Concepts in Performance and Capacity Planning, Sunday Workshop at the 2003 Computer Measurement Group Conference, Dallas, Texas, Dec. 7-12, 2003.
• Self-Managing E-commerce Sites, keynote address at the WWW/Internet 2003 IADIS International Conference, November 6, 2003, Algarve, Portugal (Slides) (893KB).
• Fundamental Concepts in Performance and Capacity Planning, Sunday Workshop at the 2002 Computer Measurement Group Conference, Reno, Nevada, Dec. 8-13, 2002.
• Using Performance Models to Dynamically Control E-Commerce Performance, invited talk at the First Seminar on Advanced Research in Electronic Business, Rio de Janeiro, Brazil, November 7-8, 2002.
• Capacity and performance planning for Web Services, Webcast through searchWebServices.com on October 22, 2:00PM EDT.
• Technologies for Scalable Web Services, tutorial at the 2002 Mascots Conference, Fort Worth, Texas, October 13, 2002.
• Software, Performance, or Engineering?, keynote address at the Third International Workshop on Software and Performance (WOSP 2002), July 24-26, 2002 - Rome, Italy.
• QoS Measurement and Control of Web and E-commerce Services, North Carolina State University's Electronic Commerce Seminar Series, March 20, 2002.
• QoS Measurement and Control of Web and E-commerce Services, NY Computer Measurement Group Winter Meeting, February 8, 2002.
• Technologies for Scaling Web Services, 3-hour tutorial at the 2001 CMG Conference, Dec. 1, 2001, Anaheim, CA.
• QoS Issues in Web and E-commerce Services, Distinguished Lecturer Series, Computer Science and Engineering Division, University of Michigan, October 25, 2001.
• Using Performance Models to Dynamically Control E-Commerce Performance, keynote speaker at the 2001 Aachen International Multiconference on Measurement, Modelling, and Evaluation of Computer-Communication Systems, Aachen, Germany, September 12, 2001.
• Why Should I Model My Servers?, invited speaker at the panel "Server Performance Modeling and Tuning" at OPNETWork 2001, Washington, D. C., August 29, 2001.
• Understanding Workloads in E-Business, Microsoft Research, Seattle, WA, May 1, 2001.
• Scaling for E-Business: 3 hour tutorial at the 26th International Conference for the Resource Management & Performance Evaluation of Enterprise Computing Systems (CMG'2000), Orlando, FL, December 10, 2000.
• Scaling for E-Business: 3 hour tutorial at the 2000 ACM Conference on E-Commerce, Minneapolis, MN, October 17, 2000.
• Scaling for E-Business: invited talk at the Fall Northeast Computer Measurement Group Meeting, New York, NY, September 15, 2000.
• Scaling for E-Business: invited talk at the 2000 Modeling Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS 2000), San Francisco, CA, September 1, 2000.
• Analysis of E-commerce Servers: special talk at the OPNETWork 2000 Conference, Washington, DC, August 29, 2000.
• Scaling for E-Business: 3 hour tutorial at the 99.99% Web Server Availability Conference, San Francisco, August 16, 2000.