An interoperable and self-adaptive approach for SLA-based service virtualization in heterogeneous Cloud environments

  • Authors:

  • A. Kertesz;G. Kecskemeti;I. Brandic

  • Affiliations:

  • MTA SZTAKI, H-1518 Budapest, P.O. Box 63, Hungary;MTA SZTAKI, H-1518 Budapest, P.O. Box 63, Hungary;Vienna University of Technology, A-1040 Vienna, Argentinierstr. 8/181-1, Austria

  • Venue:
  • Future Generation Computer Systems
  • Year:
  • 2014

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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.