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A Black-Box Approach for Web Application SLA

Overview Web servers nowadays have to cope with unprecedented amounts of workload, due to increasing popularity and complexity; in particular, dynamically generated content becomes the standard, hence the term Web application. Providing enough resources to sustain these workloads is a grand challenge, thus the application's runtime environment is often trusted to third-party hosting providers. In such context, it is desirable to make sure that hosted applications are guaranteed a predictable level of performance, in other words implement Service-Level Agreements (SLAs). This paper presents an approach to Web application SLA, based on profiling and geared at black-box server components, which allows to express SLAs using application-level metrics, such as request rates.

Further White Paper Details
Publisher	Association for Computing Machinery	File Format	PDF
Date Published	April 2006	Downloads	62
Format	White Papers
Topics	SLA, Load Balancing

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