Business process integration point classification and the priority evaluation method
International Journal of Business Information Systems
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Architects are faced with the problem of buildingenterprise scale information systems, with streamlined,automated internal business processes and web-enabledbusiness functions, all across multiple legacyapplications. The underlying architectures for suchsystems are embodied in a range of diverse productsknown as Enterprise Application Integration (EAI)technologies. In this tutorial, we highlight some of themajor problems, approaches and issues in designingEAI architectures and selecting appropriatesupporting technology. The tutorial presents a rangeof the common architectural patterns frequently usedfor EAI applications. It also explains Service OrientedArchitectures as the current best practice architecturalframework for EAI. It then describes the state-or-the-artin EAI technologies that support thesearchitectural styles, and discusses some of the keydesign trade-offs involved when selecting anappropriate integration technology (including buyversus build decisions).