An Architecture for a QoS driven composition of Web Service based Workflows
Key: BHS05-1
Author: Rainer Berbner, Oliver Heckmann, Ralf Steinmetz
Date: October 2005
Kind: In proceedings
Book title: Proceedings of the Networking and Electronic Commerce Research Conference; Lake Garda, Italy
Abstract: In times of globalisation and internationalisation enterprises have to establish flexible business processes to react to dynamically changing markets and to satisfy sophisticated customers. IT architectures that support the integration of legacy systems as well as the collaboration with business partners are a key success factor for flexible business processes. Thus, we present an approach to support flexible business processes by the means of a Service-oriented Architecture (SoA). Web Services as a realization of a Service-oriented Architecture gain more and more in importance to implement business processes. We address Quality of Service (QoS) as crucial for a sustainable success of Web Service based workflows. Thus, we designed and implemented a Web Service architecture with comprehensive QoS support. The selection of a particular Web Service depends on its QoS properties that must be guaranteed in Service Level Agreements (SLAs). The compliance with such SLAs is monitored by a component of the architecture as well. <P>
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