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Design of A QoS-Aware Service Composition and Management System in Peer-to-Peer Network Aided by DEVS

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4 Author(s)
Hengheng Xie ; Sch. of Inf. Technol. & Eng. (SITE), Univ. of Ottawa, Ottawa, ON ; Boukerche, A. ; Ming Zhang ; Zeigler, B.P.

QoS-aware service management and composition has become an interesting research topic with the rapid development of service oriented architecture (SOA). Differently with Web-services based systems, the emergence of peer-to-peer (P2P) based distributed network technology brings more challenge to the QoS-aware service management and composition. In this paper, we propose our design of a QoS-aware hierarchical service composition and management system in a context of JXTA-enabled P2P network. We conducted a comparison experiment of our design with commonly used flat-based service composition and management, and found that our design outperforms the flat-based one in terms of a higher success rate for satisfying the user's QoS requirement. Furthermore, we used a RT-DEVS model based formal approach to validate our design, and believe that it can be a promising technology in aiding the design of an efficient QoS-aware service composition and management system.

Published in:

Distributed Simulation and Real-Time Applications, 2008. DS-RT 2008. 12th IEEE/ACM International Symposium on

Date of Conference:

27-29 Oct. 2008

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