Fifty-three attendees met at the University of Florence from June 17-21 for the 11th annual Workshop on ns-3, ns-3 training sessions, and Workshop on Next-Generation Wireless Networks with ns–3. The meeting was organized by the ns-3 Consortium, which held its annual plenary meeting on June 20. The Workshop on ns-3 featured ten paper presentations and several demo, poster, and work-in-progress talks on Wednesday, at which a team from University of Padova accepted the award for best paper regarding a QUIC module for ns-3. Next year’s annual meeting is planned for North America (site and date TBD).