...
| Action | NRR | NRO |
|---|---|---|
| Portal sends request to NCP-B | ||
| Message received by NCP-B (not xcpd, xca) | √ | |
| Message sent to NCP-A | √ | |
| Message received by NCP-A | ||
| Message sent from NCP-A to NI | ||
| Message received by NI | ||
| Message sent from NI To NCP-A | ||
| Message receive by NCP-A | ||
| Message sent from NCP-A to NCP-B | ||
| Message received by NCP-B | ||
| Message sent from NCP-B to portal | ||
| Message received by portal |
...