A distributed server architecture supporting dynamic resource provisioning for BPM-oriented workflow management systems

Ching Hong Tsai, Kuo Chan Huang*, Feng-Jian Wang, Chun Hao Chen

*Corresponding author for this work

研究成果: Article同行評審

15 引文 斯高帕斯(Scopus)

摘要

Workflow management systems have been widely used in many business process management (BPM) applications. There are also a lot of companies offering commercial software solutions for BPM. However, most of them adopt a simple client/server architecture with one single centralized workflow-management server only. As the number of incoming workflow requests increases, the single workflow-management server might become the performance bottleneck, leading to unacceptable response time. Development of parallel servers might be a possible solution. However, a parallel server architecture with a fixed-number of servers cannot efficiently utilize computing resources under time-varying system workloads. This paper presents a distributed workflow-management server architecture which adopts dynamic resource provisioning mechanisms to deal with the probable performance bottleneck. We implemented a prototype system of the proposed architecture based on a commercial workflow management system, Agentflow. A series of experiments were conducted on the prototype system for performance evaluation. The experimental results indicate that the proposed architecture can deliver scalable performance and effectively maintain stable request response time under a wide range of incoming workflow request workloads.

原文English
頁(從 - 到)1538-1552
頁數15
期刊Journal of Systems and Software
83
發行號8
DOIs
出版狀態Published - 1 八月 2010

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