The Lagrangian Algorithm Implement of QoS-Aware Service Composition on P2P Network

Authors:
Xiao-Yan Gao;Zhen-Wei Yu;Yin-Long Shi
Affiliations:
China University of Mining and Technology, China/ North China Institute of Science and Technology, China;China University of Mining and Technology, China;Chinese academy of sciences, China
Venue:
APSCC '06 Proceedings of the 2006 IEEE Asia-Pacific Conference on Services Computing
Year:
2006

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Toward a Quality-of-Service Framework for Peer-to-Peer Applications

International Journal of Distributed Systems and Technologies

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Abstract

This paper introduces QoS attributes into the P2P network and proposes a service composition model, then gives a computing method of service composition. Then, we adopt a Lagrangian relaxtion algorithm, providing an approach to satisfy the customer's service level agreement. Finally, a set of experiments show that the proposed model and algorithms can achieve better performance.