Technology layer offers infrastructural services (e.g., processing, storage and communication services) needed to run applications, realized by computer and communication hardware and system software. Application layer supports the business layer with application services which are realized by (software) applications. The Business layer offers products and services to external customers which are realized by business processes performed by business actors. Higher layers use services provided by lower layers. With regards to the graphical representation of single entities, the layer an entity belongs to is indicated using different colors. In the new ArchiMate, the enterprise architecture model is split into six layers: The first dimension core entities are assigned to are the different layers of an enterprise architecture model. The Technology layer offers infrastructural services (e.g., processing, storage and communication services) needed to run applications, realized by computer and communication hardware and system software.
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