A model for web services composition based on QoS and providers' benefit

Authors:
Zhenpeng Liu;Junbao Li;Jimin Li;Aiguo An;Jianmin Xu
Affiliations:
School of mathematics & Computer Science, Hebei University, Baoding, China and Institute of System Engineering, Tianjin University, Tianjin, China;School of mathematics & Computer Science, Hebei University, Baoding, China;School of mathematics & Computer Science, Hebei University, Baoding, China and School of Computer Science and Technology, Tianjin University, Tianjin, China;School of mathematics & Computer Science, Hebei University, Baoding, China;School of mathematics & Computer Science, Hebei University, Baoding, China and Institute of System Engineering, Tianjin University, Tianjin, China
Venue:
WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
Year:
2009

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Abstract

To deal with the problems such as Web Services selection algorithm, availability of Web Services composition and QoS(Quality of Service) guarantee, presents a model for Web Services composition based on QoS and providers' benefit. In this model, the traditional UDDI is expanded to describe the QoS attributes of Web Services. A Service Proxy role is added into this model. All Web Services compositions requested by service consumers are fond, bound and invoked by the Service Proxy role. In order to maximize services providers' benefit, presents a Service Request Queue Scheduling algorithm in the Service Proxy role. This model meets the QOS requirements of service consumers, guarantees the availability of Web Services composition and maximizes service providers' benefit. Experimental results confirm the efforts of this model.