The over-all objective of the FIREBALL project is to coordinate and align methodologies and approaches in the domains of Future Internet (FI) research and experimentation testbeds and user driven open innovation towards successful innovation in "smart city" environments.In doing so, and in covering the whole FI research and innovation value chain driven by smart cities being the users of the FI, FIREBALL aims to establish effective forms of cooperation across the FI innovation value chain, creating synergies and cooperation practices among different research and innovation communities related to the FI.To that end, FIREBALL brings together the different constituencies to establish common processes and methodologies and share their assets. FIREBALL explores how the different assets (testbeds, facilities, methods, know-how, applications, users) within these constituencies can be shared and configured to the demands of smart city showcases.FIREBALL will empower the different constituencies to jointly exploit the opportunities of FI innovation. To that end FIREBALL establishes a network of advanced smart cities in Europe to drive the demand for FI services and create and exchange good practices and showcases and:- Alignment of processes, methods and approaches of the different constituencies working towards the FI, based on the key role of cities and user-driven open innovation principles,- Identification of common assets of the constituencies involved, and how these can be shared for implementing smart city showcases of FI innovation,- Empowered constituencies and city innovation-ecosystems that form part of a European community dedicated to exploiting the opportunities of FI open innovation,- A widely supported action plan and roadmap for experimentally-driven research and innovation towards the FI and towards objectives to be realised by smart cities,- Recommendations for future policy and strategy at the European level.