For the second time since their creation, the National Infrastructures laureate of the PIA 2011 and 2012, met in November 2015, under the auspice of the ANR. After short introductions on the evaluation modalities of the INBS by ANR (D. Boujard) and presentation of the new National and European Roadmaps for Research infrastructures (E. Guittet), this one day meeting was organized around four Round Tables: Implementation and monitoring of evaluation indicators, inter Infrastructures cooperation, Communication policy: towards a common portal ?, Pricing: common calculation modalities.