Short term for electronic Infrastructure, comprising a set of ICT based resources (e. g. networks, grids, data centres, collaborative environments) and support operations (e. g. operation centres, service registries, credential delegation services, certificate authorities, training, help-desk services) intended to address the needs of researchers for digital services in terms of networking, computing and data management and facilitating the collaboration among research communities by sharing resources, analysis tools and data. Examples of EU-funded e-infrastructures are GÉANT, EGI and EUDAT (Source: EC)