As electronic communications services (including OTT and IoT services) become more global in nature, data sovereignty is becoming an increasingly important consideration. Data sovereignty can manifest itself in the form of mandatory data localisation requirements that can apply in respect of both personal and non-personal data and that can impact on network architecture and service deployment. Mandatory data localisation requirements within the EU that apply in respect of non-personal data are currently being addressed at the EU level in the form of a draft Regulation.