A Framework for managing Quality of Service in Cloud Computing through Service Level Agreements
Wolfgang Ziegler
Hrsg.: Fraunhofer SCAI, Sankt Augustin
2019, 216 S., num. illus. and tab., Softcover
Sprache: Englisch
Göttingen, Univ., Diss., 2018
Fraunhofer Verlag
ISBN 978-3-8396-1414-3

Inhalt
Cloud providers only offer a limited set of non-negotiable service levels to their customers. Usually these service levels are expressed as guarantees for availability of a virtualised infrastructure providing a certain performance when using it with. Our analysis shows two major fields to be worked on for improving customer experience: (i) each provider uses its own proprietary technology towards the customer for managing SLAs throughout their life-cycles, (ii) there is neither a common set of terms to describe Cloud customers' requirements regarding the Cloud services requested, nor there is a common set of terms to describe the Quality of Service (QoS) of the Cloud providers' offerings. The focus of the thesis is (i) on Standard technology for negotiating and creating SLAs and (ii) the common terms and metrics describing providers' offerings and customers' requirements. These SLAs are both binding and monitorable agreements between customer and provider and the basis for QoS-aware resource management on the side of the provider. Customers may use standards compliant agreement templates with the providers' offerings to select suitable providers for starting the negotiation.

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