diff --git a/data-flow-diagram.md b/data-flow-diagram.md
index 80bcd910..6d4383f5 100644
--- a/data-flow-diagram.md
+++ b/data-flow-diagram.md
@@ -13,6 +13,7 @@ graph TB
     %% ===== COUCHE 1 : SOURCES DE DONNÉES =====
     subgraph Sources["📡 COUCHE 1 : SOURCES DE DONNÉES"]
         SIM[Smart City Simulator<br/>Python • 10 capteurs<br/>MQTT + REST API]
+        SENSORS[Capteurs IoT Réels<br/>MQTT/HTTP]
     end
 
     %% ===== COUCHE 2 : MQTT BROKERS =====
@@ -50,46 +51,54 @@ graph TB
     end
 
     %% ===== FLUX DE DONNÉES =====
-    
-    %% Simulator → MQTT Brokers
+
+    %% Simulator → MQTT Brokers (NO direct to OpenRemote)
     SIM -->|MQTT| EMQX
     SIM -->|MQTT| MOSQ
     SIM -->|MQTTS| BUNKER
-    
+
+    %% Real sensors → Brokers + direct to OpenRemote
+    SENSORS -->|MQTT| EMQX
+    SENSORS -.->|MQTT direct| OR
+
     %% MQTT Brokers → Context Brokers
     EMQX -->|NGSI-LD| ORION
     EMQX -->|NGSI-LD| STELLIO
     EMQX -->|SensorThings| FROST
-    
-    %% Simulator → OpenRemote (REST)
-    SIM -.->|REST API| OR
+
+    %% MQTT Brokers → OpenRemote (via MQTT Agent)
+    EMQX -->|MQTT (Agent)| OR
+    MOSQ -->|MQTT (Agent)| OR
+    BUNKER -->|MQTT (Agent)| OR
+
+    %% OpenRemote → Keycloak
     OR -.-> KC
-    
-    %% Simulator → InfluxDB
+
+    %% Simulator → InfluxDB (direct)
     SIM -->|HTTP| INFLUX
-    
+
     %% Context Brokers → Visualization
     ORION -->|Query| GRAF
     STELLIO -->|Query| GRAF
     FROST -->|Query| GRAF
-    
+
     %% Context Brokers → GeoServer (DB Sync)
     ORION -.->|PostGIS| GEO
     STELLIO -.->|PostGIS| GEO
     FROST -.->|PostGIS| GEO
-    
+
     %% GeoServer → MapStore
     GEO -->|WMS/WFS| MAP
-    
+
     %% OpenRemote → Grafana
     OR -->|API Query| GRAF
-    
+
     %% All → Prometheus (Metrics)
     EMQX -.->|Metrics| PROM
     ORION -.->|Metrics| PROM
     STELLIO -.->|Metrics| PROM
     OR -.->|Metrics| PROM
-    
+
     %% Style
     classDef simulator fill:#1e293b,stroke:#fb923c,stroke-width:2px,color:#fff
     classDef broker fill:#0f172a,stroke:#22d3ee,stroke-width:2px,color:#fff
@@ -97,8 +106,8 @@ graph TB
     classDef iot fill:#0f172a,stroke:#a78bfa,stroke-width:2px,color:#fff
     classDef storage fill:#0f172a,stroke:#fbbf24,stroke-width:2px,color:#fff
     classDef viz fill:#0f172a,stroke:#22d3ee,stroke-width:2px,color:#fff
-    
-    class SIM simulator
+
+    class SIM,SENSORS simulator
     class EMQX,MOSQ,BUNKER broker
     class ORION,STELLIO,FROST context
     class OR,KC iot
@@ -113,7 +122,8 @@ graph TB
 ### 1. **Génération des données (Simulator)**
 - **Smart City Simulator** (Python) génère des données pour 10 capteurs (Traffic, Air Quality, Parking, Noise, Weather, Light)
 - Intervalle de publication : 10 secondes
-- Protocoles : MQTT + REST API
+- Protocoles : MQTT (vers brokers uniquement)
+- **⚠️ Projet** : Le simulateur n'envoie PAS directement à OpenRemote (pas de REST API)
 
 ### 2. **Ingestion MQTT (Brokers)**
 - **EMQX** (port 11883) : Broker public, reçoit tous les capteurs
@@ -135,6 +145,8 @@ graph TB
 - **OpenRemote Manager** (realm `smartcity`)
   - 33 assets IoT configurés
   - Carte Martinique (mapsettings.json)
+  - Réception via **MQTT Agent** depuis les brokers (EMQX, Mosquitto, BunkerM)
+  - Peut aussi recevoir directement des capteurs IoT (via MQTT)
 - **Keycloak** : Authentification OpenID Connect
   - Client `openremote` avec Service Account
   - Token endpoint : `/auth/realms/smartcity/protocol/openid-connect/token`