CATS-CAE Reflective Middleware Framework for Adapting Context-Aware Transactional Services: Using a Hybrid Policy-Based Approach

Widad Ettazi, Mahmoud Nassar and Hatim Hafiddi
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Widad Ettazi: IMS Team, ADMIR Laboratory, ENSIAS, Rabat IT Center, Mohammed V University, Rabat, Morocco
Mahmoud Nassar: IMS Team, ADMIR Laboratory, ENSIAS, Rabat IT Center, Mohammed V University, Rabat, Morocco
Hatim Hafiddi: SEEDS Team, STRS Laboratory, INPT, Rabat, Morocco

International Journal of Web Services Research (IJWSR), 2020, vol. 17, issue 2, 40-58

Abstract: Pervasive environments are characterized by limited computing resources and wireless connectivity. In parallel, current application domains have variable transactional requirements that do not fit the traditional ACID model. As a result, the pervasive environment characteristics are compelling and cannot be supported by conventional solutions that are typically dedicated to a specific application domain and support a limited set of context parameters. This article aims at providing a complete solution that addresses the challenges of the adaptability of context-aware transactional services “CATS” in pervasive environments. Thus, a new framework CATS-CAE was designed, which offers a comprehensive structure of multiple component chains. The adaptation strategy in CATS-CAE is based on a hybrid approach combining the use of adaptation policies, alternative strategy and behavioral adaptation of composite services through the “Profiled Task Class” concept. A probabilistic model is also presented to support the efficiency of the proposed approach.

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:igg:jwsr00:v:17:y:2020:i:2:p:40-58

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