We invite you to submit a proposal (presentation / session) for TNC15, the largest networking conference for research and education in Europe. The theme of TNC15 is 'Connected Communities'. The conference will be held from 15-18 June 2015 in Porto, Portugal, organised by TERENA and hosted by FCT|FCCN, Portugal's unit for the operation of the National Research and Education Network (NREN) within the funding agency for science and research in Portugal.