The Data & Analytics Facility for National Infrastructure (DAFNI) is a data-sharing center based at Rutherford Appleton Laboratory in Harwell, Oxfordshire in the United Kingdom. DAFNI aims to use data-driven research to inform long-term planning and investment into services such as energy, transportation, digital communications, water supply, flood protection, wastewater and waste collection, and treatment and disposal. DAFNI provides a platform and research capacity to inter-mingle data from multiple sources as well as "map and model it, and use advanced visualisations to demonstrate and explore scenarios."