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The architecure builds on three orthogonal axes: Enterprise Dimensions, Levels of technical Granularity and Colloborative Views. The latter provides a public view on private information system elements. Thus, the architecture provides a comprehensive [[Business Interoperability Interface]], which describes the information system boundaries of one organization to its collaboration Partners and connects internal and external information systems.
=== Indidual Axes ===
==== Enterprise dimensions====
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# Technical Level: Here the IT concept is described. Therefore, the models from the first level are technically enriched, for example, instead of business functions now components are described, but still on a coarse-grained, conceptual level. Since the models on the second level represent the basis for an automated generation of executable code, they might have to be further adapted to fit implementation level constraints.
# Execution Level: Here the models are machine interpretable and can used during runtime in the execution of processes.
=== Usage Fields ===
The AIOS originally aims at large organizations who want to interoperate with other large organziations. To this aim it describes how internal information system elements can be systematically connected with the information systems of partner organizations. The architecture also contains procedure models, which describe different approaches for the iterative development of the model types comprised in the AIOS.
Though the AIOS comprises all models needed for the enactment of collaborative business it focuses on design time aspects, e.g. the systematic development and configuration of interoperable information systems. The deployment of these models and the infrastructure to execute them are not the focus. However, one runtime component of the AIOS is a repository, in which each organization publishes the content of its [[Business Interoperability Interface]] (BII) to collaboration partners. Since it comprises external views on information system elements, it can support (runtime) publishing and discovery functionalities as needed in SOA: In the BII, the externally relevant processes, services, organization structures etc. are described on various levels of technical granularity, enabling other organizations to search also for business-level concepts and not only for technical artifacts. Here, different from the traditional SOA approach, instead of one central service directory, various partner-specific repositories are implemented.
== References ==
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