IT Infrastructure modelling in ArchiMate – Technology layer In last article we explored Business Layer elements from ArchiMate, that is used to model business processes and use cases. To model infrastructure, we use Technology Layer. By using elements from this layer, we could model deployment schemes for software as well as execution environments. Also, you have a possibility to very briefly outline networks and connections between hardware and technology services offered to applications or business users, like database access or messaging system. Below you could check some of elements of language defined on that layer.