```ditaa
+-------------------+ +----------------+
|cGRE API {io}+------------------->+cGRE BackEnd |
+-------------------+ +--------+-------+
|
|
|
+----------------+ |
|cBLU DB {s}+<----------+
+----------------+
```
Generated by dwww version 1.15 on Thu May 23 05:50:44 CEST 2024.