---------------------------------------
               |                Node B               |
               |                                     |
+-----------+  |   +-----------+       +---------+   |    +---------+
|   DTNMA   |  |   |   DTNMA   |       |  DTNMA  |   |    |  DTNMA  |
| Manager A |  |   | Manager B |       | Agent B |   |    | Agent C |
+---+-------+  |   +-----+-----+       +----+----+   |    +----+----+
    |          |         |                  |        |         |
    |----------DEF(NULL, V0, EDD1 + EDD2)-->|        |         | (1)
    |-------------PROD(1s, V0)------------->|        |         |
    |          |         |                  |        |         |
    |          |         |-PROD(1s, EDD1)-->|        |         | (2)
    |          |         |--------------------PROD(1s, EDD2)-->| (2)
    |          |         |                  |        |         |
    |          |         |                  |        |         | 
    |          |         |<----RPT(EDD1)----|        |         | (3)
    |          |         |<--------------------RPT(EDD2)-------| (3)
    |          |         |                  |        |         |
    |<-------------RPT(V0)------------------|        |         | (4)
    |          |         |                  |        |         |
    |          |         |                  |        |         |
               |                                     |
               |                                     |
               ---------------------------------------