Service Name | Service Operations | Operation Semantics | Example Consumer(s) |
---|---|---|---|
Nnwdaf_ | Subscribe | Subscribe / Notify | PCF, NSSF, AMF, SMF, NEF, AF, OAM, CEF, NWDAF, DCCF |
Unsubscribe | PCF, NSSF, AMF, SMF, NEF, AF, OAM, CEF, NWDAF, DCCF | ||
Notify | PCF, NSSF, AMF, SMF, NEF, AF, OAM, CEF, NWDAF, DCCF, MFAF | ||
Transfer | Request / Response | NWDAF | |
Nnwdaf_ | Request | Request / Response | PCF, NSSF, AMF, SMF, NEF, AF, OAM, CEF, NWDAF, DCCF |
ContextTransfer | Request / Response | NWDAF | |
Nnwdaf_ | Subscribe | Subscribe / Notify | NWDAF, DCCF |
Notify | NWDAF, DCCF, MFAFF, ADRF | ||
Fetch | Request / Response | NWDAF, DCCF, MFAFF, ADRF | |
Nnwdaf_ | Subscribe | Subscribe / Notify | NWDAF |
Unsubscribe | NWDAF | ||
Notify | NWDAF | ||
Nnwdaf_ | Request | Request / Response | NWDAF |
NOTE 1:
How OAM consumes Nnwdaf services and which Analytics information is relevant is defined in TS 28.550 Annex H and out of the scope of this TS.
NOTE 2:
How CEF consumes Nnwdaf services and which Analytics information is relevant is defined in TS 28.201 and out of the scope of this TS.
NOTE 3:
The Nnwdaf_
|
Analytics Information | Request Description | Response Description |
---|---|---|
Slice Load level information | Analytics ID: load level information | Load level provided as number of UE registrations and number of PDU sessions for a Network Slice and Network Slice instances as well as resource utilization for Network Slice instances. |
Observed Service experience information | Analytics ID: Service Experience | Observed Service experience statistics or predictions may be provided for a Network Slice or an Application. They may be derived from an individual UE, a group of UEs or any UE. For slice service experience, they may be derived from an Application, a set of Applications or all Applications on the Network Slice. |
NF Load information | Analytics ID: NF load information | Load statistics or predictions information for specific NF(s). |
Network Performance information | Analytics ID: Network Performance | Statistics or predictions on the load in an Area of Interest; in addition, statistics or predictions on the number of UEs that are located in that Area of Interest. |
UE mobility information | Analytics ID: UE Mobility | Statistics or predictions on UE mobility. When visited AOI(s) is included in the Analytics Filter information, only statistics on UE mobility can be provided. |
UE Communication information | Analytics ID: UE Communication | Statistics or predictions on UE communication. |
Expected UE behavioural parameters | Analytics ID: UE Mobility and/or UE Communication | Analytics on UE Mobility and/or UE Communication. |
UE Abnormal behaviour information | Analytics ID: Abnormal behaviour | List of observed or expected exceptions, with Exception ID, Exception Level and other information, depending on the observed or expected exceptions. |
User Data Congestion information | Analytics ID: User Data Congestion | Statistics or predictions on the user data congestion for transfer over the user plane, for transfer over the control plane, or for both. |
QoS Sustainability | Analytics ID: QoS Sustainability | For statistics, the information on the location and the time for the QoS change and the threshold(s) that were crossed; or, for predictions, the information on the location and the time when a potential QoS change may occur and what threshold(s) may be crossed. |
Session Management Congestion Control Experience | Analytics ID: Session Management Congestion Control Experience | Statistics on session management congestion control experience for specific DNN and/or S-NSSAI. |
Redundant Transmission Experience | Analytics ID: Redundant Transmission Experience | Statistics or predictions aimed at supporting redundant transmission decisions for URLLC services. |
WLAN performance | Analytics ID: WLAN performance | Statistics or predictions on WLAN performance of UE. |
Dispersion | Analytics ID: UE Dispersion | Statistics or predictions that identify the location (i.e. areas of interest) or network slice(s) where a UE, or a group of UEs disperse their data volume, or disperse mobility or session management transactions or both. |
DN Performance | Analytics ID: DN Performance | Statistics or predictions on user plane performance for a specific Edge Computing application. |