SYSTÈME ET PROCÉDÉ POUR ÉCHANGER DES DONNÉES ENTRE UN PREMIER SYSTÈME DE TRAITEMENT DE DONNÉES ET UN SECOND SYSTÈME DE TRAITEMENT DE DONNÉES PAR L'INTERMÉDIAIRE D'UN RÉSEAU DE COMMUNICATION AU MOINS PARTIELLEMENT PUBLIC

摘要

Communication system for exchanging data, via a communication network at least partly accessible to the public, between a first data processing system and a second data processing system, includes a first data processing system adapted to communicate according to a communication protocol, wherein the first data processing system is linked via a first coupling to the communication network at least partly accessible to the public, and a second data processing system, includes at least one data processing system, adapted to communicate according to the communication protocol, wherein the second data processing system is linked via a second coupling to the communication network at least partly accessible to the public, characterized in that at least one of the couplings comprises a data connection inaccessible to data traffic according to the communication protocol.