Paper Title:
A Dynamic Service Pool Size Configuration Mechanism for Service-Oriented Workflow
  Abstract

Service-oriented workflows are the fundamental structures in service-oriented applications and changes in the workflow could cause dramatic changes in system reliability. In several ways to re-heal workflows in execution, re-sizing service pools in the workflow is practical and easy to implement. In order to quickly adjust to workflow or environmental changes, this paper presents a dynamic service pool size configuration mechanism from the point of view of maintaining workflow reliability. An architecture-based reliability model is used to evaluate the overall reliability of a workflow with service pools and an optimal method is proposed to get the combination of service pool size aiming at minimizing the sum of service pool size subject to the workflow reliability requirement. A case study is used to explain this method and experiment results show how to change service pool size to meet the workflow reliability requirements.

  Info
Periodical
Edited by
Wenya Tian and Linli Xu
Pages
499-504
DOI
10.4028/www.scientific.net/AMR.186.499
Citation
P. He, J. Xu, K. G. Wu, J. H. Wen, "A Dynamic Service Pool Size Configuration Mechanism for Service-Oriented Workflow", Advanced Materials Research, Vol. 186, pp. 499-504, 2011
Online since
January 2011
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