+--------+                                +--------+
            |  CNC   |                                |  MDSC  |
            +--------+                                +--------+
                 |                                         |
                 |                                         |
CNC POST TE Topo |  POST /nw:networks/nw:network/          |
model (w/ Conn.  |  nw:node/te-node-id/tet:connectivity-   |
Matrix on one    |  matrices/tet:connectivity-matrix       |
abstract node and|---------------------------------------->|
constraints in   |                                         |
the conn. matrix)|                       HTTP 200          |
                 |<----------------------------------------|
                 |                                         |
                 |                                         |
CNC calls RPC to |  RPC /vn compute                        |
compute the VN   |---------------------------------------->|
as per the       |                                         |
referred TE-Topo |                                         |
                 |                                         |
                 |           HTTP 200 (Computed VN)        |
                 |<----------------------------------------|
                 |                                         |