+-----------+               +---------+                 +-----------+
|   DTNMA   |               |  DTNMA  |                 |   DTNMA   |
| Manager A |               | Agent A |                 | Manager B |
+-----+-----+               +----+----+                 +-----+-----+
    |                          |                            |
    |--DEF(ACL1, V1, EDD1*2)-->|<---DEF(ACL2, V2, EDD2*2)---| (1)
    |                          |                            |
    |---PROD(1s, V1)---------->|<---PROD(1s, V2)------------| (2)
    |                          |                            |
    |<--------RPT(V1)----------|                            | (3)
    |                          |--------RPT(V2)------------>|
    |<--------RPT(V1)----------|                            |
    |                          |--------RPT(V2)------------>|
    |                          |                            |
    |                          |<---PROD(1s, V1)------------| (4)
    |                          |                            |
    |                          |---ERR(V1 not permitted)--->|   
    |                          |                            |
    |--DEF(NULL, V3, EDD3*3)-->|                            | (5)
    |                          |                            |
    |---PROD(1s, V3)---------->|                            | (6)
    |                          |                            |
    |                          |<----PROD(1s, V3)-----------|
    |                          |                            |
    |<--------RPT(V3)----------|--------RPT(V3)------------>| (7)
    |<--------RPT(V1)----------|                            |
    |                          |--------RPT(V2)------------>|
    |<-------RPT(V3)-----------|--------RPT(V3)------------>|
    |<-------RPT(V1)-----------|                            |
    |                          |--------RPT(V2)------------>|