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Evaluation of enterprise architecture complexity enables organisations to assess their current situation. More specifically, it allows optimize the alignment, business strategy, organisational culture, business, people, process and technology. This optimization architecture provides a cost-effective and also helps to ensure the proper execution of objectives and organisational goals. However the whole evaluation of EA regarding its quality and benefits is rather difficult. This paper presents a new method to evaluate the enterprise architecture complexity and facilitating deciding between different TO-BE architecture scenarios. The proposed method is based on the network graph and fuzzy AHP.

<p><span lang="EN-US">Measurements play an important role in many scientific fields in general and in</span><span lang="EN-US">the</span><span lang="EN-US">analysis</span><span lang="EN-US">of</span><span lang="EN-US">enterprise</span><span lang="EN-US">architecture</span><span lang="EN-US">in</span><span lang="EN-US">particular.</span><span lang="EN-US">In software engineering, the measures are used to control the quality of the software product and better manage development projects to control the cost of production.</span><span lang="EN-US">In this article we proposed firstly models and measures to evaluate and analyze the complexity of the enterprise architecture and especially the heterogeneity of components and relationships, and secondely we developed a model to automatically detect the change of measures and their impact on enterprise architecture.</span></p>

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