+----------------------------------+
               | Customer                         |
               | +-----------------------------+  |
               | |             CNC             |  |
               | +-----------------------------+  |
               +----+-----------------------+-----+
                    |                       |
                    | L2SM                  | L2SM
                    |                       |
          +---------+---------+   +---------+---------+
          | MDSC              |   |       MDSC        |
          | +---------------+ |   |     (parent)      |
          | |    Service    | |   +---------+---------+
          | | Orchestration | |             |
          | +-------+-------+ |             | L2NM
          |         |         |             |
          |         | L2NM    |   +---------+---------+
          |         |         |   |       MDSC        |
          | +-------+-------+ |   |      (child)      |
          | |    Network    | |   +---------+---------+
          | | Orchestration | |             |
          | +---------------+ |             |
          +---------+---------+             |
                    |                       |
                    | Network Configuration |
                    |                       |
       +------------+-------+     +---------+------------+
       | Domain             |     |           Domain     |
       | Controller         |     |           Controller |
       |       +---------+  |     |    +---------+       |
       |       |   PNC   |  |     |    |   PNC   |       |
       |       +---------+  |     |    +---------+       |
       +------------+-------+     +---------+------------+
                    |                       |
                    | Device Configuration  |
                    |                       |
               +----+---+              +----+---+
               | Device |              | Device |
               +--------+              +--------+