An Adaptable Method of E-Workflow Composition Based on Distributed Awareness

Authors:
Hongbin Sun;Yongsheng Ding
Affiliations:
School of Electrical Engineering and Information, Changchun Institute of Technology, and College of Information Sciences and Technology, Donghua University, Shanghai, 201620;College of Information Sciences and Technology, Donghua University, Shanghai, 201620
Venue:
APNOMS '08 Proceedings of the 11th Asia-Pacific Symposium on Network Operations and Management: Challenges for Next Generation Network Operations and Service Management
Year:
2008

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Abstract

A method of E-workflow composition based on distributed awareness is proposed. The mobile agent represents E-service and constitutes an autonomic unit. The E-workflow composition is achieved by the evolution of the mobile agent based on the semantic negotiation. By understanding properties of messages, the mobile agent use projection-join closure to capture such message situations, the optimization of the E-workflow composition is translated into dynamic services selection with QoS global optimization. We propose an improved algorithm based on quick sort and NSGA-II to resolve it. The simulation results show that the approach can significantly improve the E-workflow performance. It adapts well to the changes of dynamic environments.