graph turn {
  
  charset = "UTF-8";
  label = "Fonctionnement de TURN";
  overlap = scale;
  labelfloat = "true" 
  size = "8.0,8.0" 
  ratio = "fill" /* Fill the page completely */

 // Machines
 node [shape=box, fontsize=14];
   Héloïse;
   Abélard;
   Routeur_NAT_H;
   Routeur_NAT_A;
   Serveur_TURN;

 node [shape=octagon, fontsize=30];
   Internet;

 edge [fontsize=10, labeldistance=5.0];
   Héloïse -- Routeur_NAT_H [taillabel="10.1.1.2:17240"];
   Routeur_NAT_H -- Internet [headlabel="192.0.2.1:7000"];
   Internet -- Serveur_TURN [headlabel="209.173.53.1", taillabel="209.173.53.1:9000"];
   Abélard -- Routeur_NAT_A [taillabel="172.17.1.2:6545"];
   Routeur_NAT_A -- Internet [taillabel="192.0.2.131:9878"];

 edge [fontsize=16,];
    Héloïse -- Serveur_TURN [label="Allocate"];

}