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