Performance Guarantees for Web Server End-Systems: A Control-Theoretical Approach

The Internet is undergoing substantial changes from a communication and browsing infrastructure to a medium for conducting business and marketing a myriad of services. The World Wide Web provides a uniform and widely-accepted application interface used by these services to reach multitudes of clients. These changes place the web server at the center of a gradually emerging eservice infrastructure with increasing requirements for service quality and reliability guarantees in an unpredictable and highly-dynamic environment. This paper describes performance control of a web server using classical feedback control theory. We use feedback control theory to achieve overload protection, performance guarantees, and service differentiation in the presence of load unpredictability. We show that feedback control theory offers a promising analytic foundation for providing service differentiation and performance guarantees. We demonstrate how a general web server may be modeled for purposes of per...

• Type: Journal
• Year: 2002
• Where: TPDS
• Authors: Tarek F. Abdelzaher, Kang G. Shin, Nina T. Bhatti
• Keywords: Control Theory, Performance Guarantees, TPDS 2002, Web Server