diff --git a/modelisation/diagramme_principal_MVC.png b/modelisation/diagramme_principal_MVC.png
new file mode 100644
index 0000000..e18a2ea
Binary files /dev/null and b/modelisation/diagramme_principal_MVC.png differ
diff --git a/modelisation/package_communication.filetransfer.png b/modelisation/package_communication.filetransfer.png
new file mode 100644
index 0000000..a50133e
Binary files /dev/null and b/modelisation/package_communication.filetransfer.png differ
diff --git a/modelisation/package_database.png b/modelisation/package_database.png
new file mode 100644
index 0000000..e78d5be
Binary files /dev/null and b/modelisation/package_database.png differ
diff --git a/modelisation/package_messages.png b/modelisation/package_messages.png
new file mode 100644
index 0000000..7034339
Binary files /dev/null and b/modelisation/package_messages.png differ
diff --git a/modelisation/serveur_presence.png b/modelisation/serveur_presence.png
new file mode 100644
index 0000000..31345ba
Binary files /dev/null and b/modelisation/serveur_presence.png differ