Kertesz, A, Kecskemeti, G and Brandic, I (2012) An interoperable and self-adaptive approach for SLA-based service virtualization in heterogeneous Cloud environments. Future Generation Computer Systems, 32 (1). pp. 54-68. ISSN 0167-739X

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Abstract

Cloud computing is a newly emerged computing infrastructure that builds on the latest achievements of diverse research areas, such as Grid computing, Service-oriented computing, business process management and virtualization. An important characteristic of Cloud-based services is the provision of non-functional guarantees in the form of Service Level Agreements (SLAs), such as guarantees on execution time or price. However, due to system malfunctions, changing workload conditions, hard- and software failures, established SLAs can be violated. In order to avoid costly SLA violations, flexible and adaptive SLA attainment strategies are needed. In this paper we present a self-manageable architecture for SLA-based service virtualization that provides a way to ease interoperable service executions in a diverse, heterogeneous, distributed and virtualized world of services. We demonstrate in this paper that the combination of negotiation, brokering and deployment using SLA-aware extensions and autonomic computing principles are required for achieving reliable and efficient service operation in distributed environments. © 2012 Elsevier B.V. All rights reserved.

Item Type:	Article
Uncontrolled Keywords:	0805 Distributed Computing, 0806 Information Systems
Subjects:	Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Divisions:	Computer Science & Mathematics
Publisher:	Elsevier
Date Deposited:	04 Aug 2016 09:06
Last Modified:	04 Sep 2021 12:39
DOI or ID number:	10.1016/j.future.2012.05.016
URI:	https://researchonline.ljmu.ac.uk/id/eprint/3977

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