Abstract
Web service QoS (Quality of Service) is a key factor for users to evaluate and select services. Traditionally, run-time QoS of web services stores in centralized QoS registry, which may have performance and availability problems. In this paper, we propose a P2P (Peer-to-Peer) QoS registry architecture for web services, named Q-Peer. Q-Peer is an unstructured P2P system. Query of QoS is naturally achieved by getting QoS address from corresponding service description. Q-Peer has a replication based mechanism to ensure load-balance of the whole architecture. The architecture takes advantage of P2P systems to ensure its availability, performance and autonomy. We are currently implementing Q-Peer and planning to test it on Planet-Lab.
This work is supported by the National Basic Researchand Development Program (973 program) of China under Grant No.2003CB314806; the Program for New Century Excellent Talents in University (No:NCET-05-0114); the Program for Changjiang Scholars and Innovative Research Team in University (PCSIRT); the Hi-Tech Research and Development Program (863 Program) of China under Grant No.2006AA01Z164.
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Li, F., Yang, F., Shuang, K., Su, S. (2007). Peer-to-Peer Based QoS Registry Architecture for Web Services. In: Indulska, J., Raymond, K. (eds) Distributed Applications and Interoperable Systems. DAIS 2007. Lecture Notes in Computer Science, vol 4531. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-72883-2_10
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DOI: https://doi.org/10.1007/978-3-540-72883-2_10
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