+-----------------+
                            |     Customer    |
                            +--------+--------+
            Customer Service Models  |
               (e.g., L3SM, L2SM)    |
                            +--------+--------+
                            |    Service      |
                            |  Orchestration  |
                            +------+---+------+
                Network Models     |   | SAP Network Model
              (e.g., L3NM, L2NM)   |   |
                            +------+---+------+
                            |     Network     |
                            |   Controller    |
                            +--------+--------+
                                     |
               +---------------------+---------------------+
               |                  Network                  |
               +-------------------------------------------+