diff --git a/apps/aqhome-storage/README b/apps/aqhome-storage/README
index a834ceb..df7a987 100644
--- a/apps/aqhome-storage/README
+++ b/apps/aqhome-storage/README
@@ -28,3 +28,41 @@ TODO
   - delRoom/Device/Topic/Value
   - editRoom/Device/Topic/Value
 
+
+
+- aqhome-storage->aqhome-data
+
+- aqhome-data
+  - only list of values
+  - manages datafiles only
+  - IPC (later secure ipc):
+    - get value list
+    - add value
+    - del value
+    - edit value
+
+    - add datapoint(valueId, timestamp, data)
+    - add datapoint(valueName, timestamp, data)
+
+    - getData(valueId, timeFrom, timeUntil)
+    - getLastData(valueId)
+
+  - aqhome-tool:
+    - add ipc code
+  
+- aqhome-mqttdata:
+  - use devices, topics and values from aqhome-storage
+  - derive valueid and data from mqtt messages
+  - send data to aqhome-data via ipc (later secure ipc)
+
+
+- mqtt values:
+  - aliases (e.g. for doors: open=1.0, closed=0.0, tilted=0.5)
+
+
+- later services only:
+  - aqhomed (tty, ipcd)
+  - aqhome-data (ipcd)
+  - aqhome-mqtt (mqttc, ipcd)
+  - aqhome-httpd (maybe; httpd, ipcc)
+