Establishing Association between QoS Properties in Service Oriented Architecture

Authors:
Laila Taher;Rawshan Basha;Hazem El Khatib
Affiliations:
University of Sharjah;University of Sharjah;UAE University
Venue:
NWESP '05 Proceedings of the International Conference on Next Generation Web Services Practices
Year:
2005

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Abstract

Quality of Service (QoS) is an important criterion for Web service selection. The work in this paper is based on QoS-IC (QoS Information & Computation) framework [1]. QoS-IC framework supports QoS-based service selection in Service Oriented Architecture (SOA). In this paper, we extend the functionality of QoS Manager Component of QoS-IC framework with QoS-Constraints Model. QoS-Constraints establish association relationship between different QoS properties and are used to govern the QoS matchmaking process in the underlying QoS matchmaking algorithm. The matchmaking process maps QoS requirements of consumers with the published QoS information of providers. We enhance the matchmaking algorithm to accommodate QoS-Constraints.