(Telecompaper) The CEOs of Vodafone Italia, WindTre and Sky Italia have called on the Italian government to ensure the independence of a future single high-speed network following a videoconference held with Italy's economic and industry ministers and the head of state lender CDP. "Independence is the crucial factor for a rapid and widespread development of the ultra-broadband network," said chief executives Aldo Bisio (Vodafone), Jeffrey Hedberg (WindTre) and Maximo Ibarra (Sky) in a joint statement released following the meeting.