Abstract
Service Oriented Architecture (SOA) and Software Product Line (SPL) have individually proven to be Software Engineering concepts, which are creating values for developing software systems. While SOA is being used for developing applications from an orchestration of web services, SPL has ability to prepare core sets of assets and manage with variable components. The combination of SOA and SPL has highlighted the term of Service Oriented Product Line (SOPL) which is setting up the application to manage common parts and reuse them without developing from scratch. It helps to manage service component bundles dynamically according to identified commonalities and variabilities. In this paper, we present our implementation approach of SOPL and manage Service Level Agreements (SLAs) in such environments by monitoring Quality of Service (QoS) attributes in bundles of web service components. The designing and developing service bundles for representing core sets of assets in SOPL are followed by the initial feature based analysis and identification of service components. Then, the managing SLAs is handled by detecting the deviation between actual and acceptable pre-defined QoS metrics values in previously analysed web service components via Web Service Level Agreement (WSLA) language specified templates.
Published Version
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