Article 9 2.

a central infrastructure, including a set of technical components enabling the reception and transmission of encrypted API data and other PNR data;

a secure communication channel between the central infrastructure and the PIUs, and a secure communication channel between the central infrastructure and the air carriers, for the transfer and transmission of API data and other PNR data and for any communications relating thereto, and for the insertion by the Member States of selected flights as referred to in Article 12(4) into the router and any related updates;

a secure channel to receive real-time flight traffic data.