+---------------------+
| control |
| control.example.com |
| 172.28.128.100 |
+----------+----------+
__________________________________________|________________________________________
/ / | \ \
+------+---------+ +-------+--------+ +-------+--------+ +------+---------+ +-------+--------+
| node1 | | node2 | | node3 | | node4 | | node5 |
| 172.28.128.101 | | 172.28.128.102 | | 172.28.128.103 | | 172.28.128.104 | | 172.28.128.105 |
+----------------+ +----------------+ +----------------+ +----------------+ +----------------+