Artikel in Tagungsband INPROC-2008-93

Unger, Tobias; Mauchart, Stephanie; Leymann, Frank; Scheibler, Thorsten: Aggregation of Service Level Agreements in the Context of Business Processes.
In: Proceedings of the Twelfth IEEE Enterprise Distributed Object Conference (EDOC 2008), 15-19 September 2008, Munich, Bavaria, Germany.
Universität Stuttgart, Fakultät Informatik, Elektrotechnik und Informationstechnik.
S. 43-52, englisch.
IEEE Computer Society, September 2008.
ISBN: 978-0-7695-3373-5; DOI: 10.1109/EDOC.2008.29.
Artikel in Tagungsband (Konferenz-Beitrag).
CR-Klassif.H.4.1 (Office Automation)
KeywordsService Level Agreements; Business Processes; BPEL; Aggregation

One can observe that more and more companies are focusing on their core compenetency and are outsourcing parts or even complete business processes to service providers. Service Level Agreements (SLAs) are used as a contractual basis to define certain non-functional properties (e.g. response time) a service has to provide. To determine the SLA of a business process a priori, the SLAs of the invoked services need to be aggregated into a single SLA for the business process. This paper defines a method how a service provider can aggregate the SLAs of the individual services within a business process into a single SLA. This provides a service provider with the capability to annotate the service that the business process implements with an appropriate SLA. We propose a framework that helps in carrying out the SLA aggregation within business processes. The framework consists of two parts: (i) a formal model for SLAs and (ii) a concept to aggregate SLAs, where algorithms can be plugged in.

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Abteilung(en)Universität Stuttgart, Institut für Architektur von Anwendungssystemen
Eingabedatum1. Oktober 2008
   Publ. Institut   Publ. Informatik