Abstract
Service-Oriented Architectures (SOA) are broadly used by companies to gain in flexibility. Web service is the fitted technical solution used to support SOA by providing interoperability and loose coupling. However, there is still much to be done in order to obtain a genuine flawless Web service, and current market implementations still do not provide adaptable Web service behavior depending on the service contract. In this paper, we propose two different approaches to increase adaptability of Web services and SOA. The first one is based on a technical solution which considers Aspect Oriented Programming (AOP) as a new design solution for Web services. We implemented an infrastructure to enrich services with aspects and to dynamically reroute messages according to changes, without redeployment. The second one combines Model Driven Development (MDD) and Context-Awareness to promote reusability and adaptability of Web services behavior depending on the service context.
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