Worst-Case Performance Analysis of Web Service Workflows
Key: EPR+07-1
Author: Julian Eckert, Krishna Pandit, Nicolas Repp, Rainer Berbner, Ralf Steinmetz
Date: December 2007
Kind: @conference
Book title: 9th International Conference on Information Integration and Web-based Application & Services (IIWAS 2007), Jakarta, Indonesia
Abstract: One major challenge in business process intelligence and business process management is performance modeling and performance measurement of workflows in order to plan their execution. Business process intelligence facilitates advanced business process execution management, i.e., prediction, monitoring, and optimization. In order to analyze Web Service workflows and to plan the workflow control, network calculus, originally developed for analyzing packet switched networks, can be used to describe the worst-case performance behavior of a workflow. By addressing capacity planning of Web Service workflows, resource usage becomes more and more important. Performance modeling and measurement are crucial to ensure that the workflow execution remains feasible and SLA violations due to overload are avoided. Thus, this paper presents a worst-case performance modeling approach for Web Service workflows based on network calculus to support capacity planning decisions.

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