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Establishing and Monitoring SLAs in complex Service Based Systems

Comuzzi, M., Kotsokalis, C., Spanoudakis, G. and Yahyapour, R. (2009). Establishing and Monitoring SLAs in complex Service Based Systems. In: Damiani, E., Zhang, J. and Chang, R. (Eds.), 2009 IEEE International Conference on Web Services. Los Alamitos, California, I & II. (pp. 783-790). IEEE. ISBN 9780769537092

Abstract

In modern service economies, service provisioning needs to be regulated by complex SLA hierarchies among providers of heterogeneous services, defined at the business, software, and infrastructure layers. Starting from the SLA Management framework defined in the SLA@SOI EU FP7 Integrated Project, we focus on the relationship between establishment and monitoring of such SLAs, showing how the two processes become tightly interleaved in order to provide meaningful mechanisms for SLA management. We first describe the process for SLA establishment adopted within the framework; then, we propose an architecture for monitoring established SLAs, which satisfies the two main requirements introduced by SLA establishment: the availability of historical data for evaluating SLA offers and the assessment of the capability to monitor the terms in a SLA offer.

Publication Type: Book Section
Additional Information: © 2009 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Publisher Keywords: Science & Technology; Technology; Computer Science, Hardware & Architecture; Computer Science, Information Systems; Engineering, Electrical & Electronic; Telecommunications; Computer Science; Engineering; FRAMEWORK
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Departments: School of Mathematics, Computer Science & Engineering > Computer Science
Related URLs:
URI: http://openaccess.city.ac.uk/id/eprint/12617
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