A central objective of WP3 is to promote the use of open standards and open source solutions in order to prevent potential vendor dependencies. In the context of Smart FOX, WP3 comprises the formulation of requirements for the core backend infrastructure, including the entire architecture. It also includes the specification of architecture and interfaces with a focus on data protection, data security, standardization and storage. Furthermore, the work package includes the agile implementation and operation of components, services and interfaces to ensure a robust and flexible system.