Predictive Admission Control Strategy for Overloaded Commercial Web Server

  • Authors:

  • Ludmila Cherkasova;Peter Phaal

  • Affiliations:

  • -;-

  • Venue:
  • MASCOTS '00 Proceedings of the 8th International Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems
  • Year:
  • 2000

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Abstract

We use a session-based workload to measure a web server's performance. An over loaded web server can experience a severe loss of throughput when measured as the number of completed sessions. Moreover, the overloaded web server discriminates against longer sessions. Session based admission control (SBAC), introduced in [2], prevents a web server from becoming overloaded and ensures that longer sessions can be completed. In this paper, we propose a new 驴predictive驴 strategy as a robust and flexible admission control mechanism, aiming to optimize the SBAC performance.