+------+   +--------+   +--------+   +-------+   +-------+   +------+
|      |   |        |   |        |   |       |   |       |   |      |
| CCM  |   | C-MADP |   | Wi-Fi  |   |  LTE  |   |  NCM  |   |N-MADP|
|      |   |        |   |  N/W   |   |  N/W  |   |       |   |      |
+------+   +--------+   +--------+   +-------+   +-------+   +------+
 +------------------------------------------------------------------+
 |           1. LTE Session Setup and IP Address Allocation         |
 +-----------------------------------------+-----------+------------+
  |                                        |           |        |
  |2. MX Discover (MAMS Version, MCC/MNC)  |           |        |
  +----------------------------------------+---------->|        |
  |3. MX System Info (Serving NCM IP/Port Address)     |        |
  |<------------+-------------+-------------+----------+        |
  |             |             |             |          |        |
  |4. MX Capability REQ (Supported Anchor/Delivery     |        |
  |             |        Links (Wi-Fi, LTE))           |        |
  +--------------------------------------------------->|        |
  |5. MX Capability RSP (Convergence/Adaptation Parameters)     |
  |<----------------------------------------+----------+        |
  |6. MX Capability ACK (ACCEPT)            |          |        |
  +-------------+-------------+----------------------->|        |
  |             |             |             |          |        |
  |7. MX Meas Config (Wi-Fi/LTE Measurement Thresholds/Period)  |
  |<---------------------------------------------------+        |
  |8. MX Meas Report (LTE RSRP, UL/DL TPUT) |          |        |
  +-----------------------------------------+--------->|        |
  |9. MX SSID Indication (List of SSIDs)    |          |        |
  |<------------+-------------+------------------------+        |
  |             |             |             |          |        |
  |10. MX Reconfiguration REQ (LTE IP)      |          |        |
  +--------------------------------------------------->|        |
  |11. MX Reconfiguration RSP               |          |        |
  |<----------------------------------------+----------+        |
  |12. MX UP Setup REQ (MPTCP proxy IP/Port, Aggregation)       |
  |<--------------------------+-------------+----------+        |
  |13. MX UP Setup RSP        |             |          |        |
  +-------------+-------------+-------------+--------->|        |
  |             | 14. MPTCP connection with designated |        |
  |             |     MPTCP proxy over LTE             |        |
  |             +-------------+-------------+----------+------->|
  |             |             |             |          |        |
  +             +             +             +          +        +