This paper has, as a main objective, to go deep in the applications needed, at an ecosystem level, to have a proper inventory of traditional and digital assets taking inspiration from IEC TC57 as a reference architecture. In addition, the paper will also define the data exchange and services needed between the new electronic devices and the application installed in DSO premises to control and manage easily hundreds of deployed devices, mainly in secondary substations. This should be considered as the initial key step towards a digital twin of the electrical network. The final aim is having a holistic approach to the management of all the assets involved in the operation of the distribution network.