OpenAirInterface Network Slice Selection Function (NSSF) Feature Set¶
1. 5GC Service Based Architecture¶
2. OAI NSSF Available Interfaces¶
| ID | Interface | Status | Comment |
|---|---|---|---|
| 1 | N22 (*) | ✅ | between NSSF and AMF |
| 2 | N31 | ❌ | between NSSFS |
(*): support both HTTP/1.1 and HTTP/2
3. OAI NSSF Feature List¶
Based on document 3GPP TS 23.501 v16.0.0 (Section 6.2.14).
| ID | Classification | Status | Comments |
|---|---|---|---|
| 1 | NSI Selection | ✅ | Case: PDU Session (NON-Roaming) |
| 2 | Determining the Allowed NSSAI | ❌ | |
| 3 | Determining the Configured NSSAI | ❌ | |
| 4 | Determining the AMF Set | ❌ |
Based on document 3GPP TS 23.531 v16.0.0 (Section 5.1).
| ID | Classification | Status | Comments |
|---|---|---|---|
| 1 | NSI Selection | ✅ | Case: PDU Session (NON-Roaming) |
| 2 | NSSAI create/replace/update the S-NSSAI(s) per TA | ❌ | |
| 2 | NSSAI subscribe and unsubscribe for S-NSSAI(s) changes per TA | ❌ |