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Enterprise Architecture (EA) help companies to keep the evolution of their ITarchitecture aligned with their business evolution using a set of complementarymodels ranging from vision to infrastructure. In this paper, we explore howsuch models can be exploited to best drive this co-evolution by helping invalidating different change management strategies. Considering state of the arttechniques in service oriented and Cloud architecture, we propose to enrich andimprove the quality of the information about the applications and softwarecomponents on various qualities (e.g. performance, scalability, security,technical debt) in order to include them in the assessment process already atthe Enterprise Architecture level rather than discovering them later in thechange implementation phase. Our work is experimented on the LabNaf EAframework and is illustrated on a partial case study taken from an industrialproject.

Assessing IT Architecture Evolution using Enriched Enterprise Architecture Models