+--------+                                +--------+
            |  CNC   |                                |  MDSC  |
            +--------+                                +--------+
                 |                                         |
                 |                                         |
CNC calls RPC to |  RPC /vn compute                        |
compute the VN   |---------------------------------------->|
as per the       |                                         |
constraints and  |                                         |
VN members       |                                         |
                 |           HTTP 200 (Computed VN)        |
                 |<----------------------------------------|
                 |                                         |