hash stringlengths 32 32 | doc_id stringlengths 5 12 | section stringlengths 5 1.47k | content stringlengths 0 6.67M |
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fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.15.11 Void | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.15.12 UPF Event Exposure Direct Reporting | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.15.12.1 General | UPF may expose information directly via a service based interface by means of the UPF Event Exposure service described in clause 5.2.26.2 and as described in clause 5.6.17 of TS 23.501 [2].
Exposure of QoS Monitoring via direct interaction between UPF and Local NEF/AF is described in clause 4.15.12.2 and Notification o... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.15.12.2 QoS monitoring exposure | This clause contains the description and the procedure for the exposure of QoS monitoring information via direct interaction between UPF (L-PSA UPF) and Local NEF/AF.
Editor's note: It is FFS whether Local NEF is introduced or NEF is used instead.
Figure 4.15.12-1: Event exposure using Local NEF
1. The UPF obtains QoS ... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.15.12.3 Notification of Handling of Payload Header Events | When AF subscribes to UPF event for Handling of Payload Headers, it provides reporting control information (i.e. Header Handling Reporting Endpoints, etc) as described in clause 5.6.17 of TS 23.501 [2] and PCF includes it in the PCC Rule.
When SMF receives a PCC Rule with Header Handling Control information, if it is i... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.15.13 Assistance for Member UE selection | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.15.13.0 General | Assistance for Member UE selection allows the AF to request the 5GC to filter a list of AF provided target member UEs according to AF provided criteria (Member UE filtering criteria) and to provide one or more list(s) of candidate UEs (and additional information) as response to the AF.
With the initial subscription req... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.15.13.1 Member UE selection assistance subscribe and update procedure | This clause describes the Member UE selection assistance subscribe and update procedure that is generally applicable independently of the Member UE filtering criteria sent by the AF.
Figure 4.15.13.1-1: Member UE selection assistance subscribe and update procedure
1. AF subscribes the Member UE selection assistance by ... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.15.13.2 Member UE Filtering Criteria for 5GS assistance to Member UE selection | Table 4.15.13.2-1 provides a summary of the Member UE filtering criteria that the AF may request.
Table 4.15.13.2-1: Description of Member UE filtering criteria
Member UE filtering criteria
Description of filtering criteria for member UEs selected by NEF
UE filtering information
Detailed description clause
QoS
The Qual... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.15.13.3 Specific procedure for QoS Member UE filtering criteria | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.15.13.3.1 General | An AF may invoke Nnef_MemberUESelectionAssistance_Subscribe service operation with one QoS filtering criterion for receiving a list of UEs that match or exceed such criteria.
In addition to the mandatory parameters, the AF also includes in the request:
- QoS filtering criteria.
- Optionally, an Area of Interest: locati... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.15.13.3.2 Void | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.15.13.3.3 Member UE Selection Assistance with QoS filtering criteria for real-time QoS Monitoring | At the reception of Nnef_MemberUESelectionAsistance_Subscribe request of step 1, in order to detect the list of UEs that fulfil the QoS filtering criteria in real time, NEF performs real-time QoS monitoring. Unless the QoS flow to be monitored is associated with a default QoS flow, QoS Monitoring needs to be activated ... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.15.13.4 Specific procedure for the 5GC assistance to member UE selection based on the UE's current location, historical location and direction and UE separation distance | Figure 4.15.13.4-1: 5GC assistance to Member UE selection based on the UE's current and historical location, direction and separation distance
1. AF requests 5GS assistance to support the Member UE selection by considering the UE's historical location, UE's current location, direction and UE separation distance. AF inc... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.15.13.5 Specific procedure for Service Experience Member UE filtering criteria | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.15.13.5.1 General | An AF may invoke Nnef_MemberUESelectionAssistance_Subscribe service operation with a Service Experience filtering criteria for receiving a list of UEs that fulfil such criteria.
In addition to the mandatory parameters, the AF may also include in the request:
- Service Experience filtering criteria.
- An Area of Interes... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.15.13.5.2 Member UE Selection Assistance with Service Experience filtering criteria | Figure 4.15.13.5.2-1: 5GC assistance to Member UE selection based on Service Experience
1. AF subscribes to the Member UE selection assistance functionality by sending Nnef_MemberUESelectionAssistance_subscribe request including the Application Identity, AoI, DNN/S-NSSAI, DNAI(s), Service Experience Type and contributi... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.15.13.6 Specific procedure for end-to-end data volume transfer time related member UE filtering criteria | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.15.13.6.1 General | An AF may invoke Nnef_MemberUESelectionAssistance_Subscribe service operation with end-to-end data volume transfer time related filtering criteria for receiving a list of UEs that fulfil the filtering criteria.
In addition to the mandatory parameters, the AF may also include in the request:
- End-to-end data volume tra... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.15.13.6.2 Member UE Selection assistance with end-to-end data volume transfer time related filtering criteria | Figure 4.15.13.6.2-1: Assistance to member UE selection for end-to-end data volume transfer time related filtering criteria
1. AF subscribes to the member UE selection assistance functionality by invoking Nnef_MemberUESelectionAssistance_subscribe request including the Application ID, DNN/S NSSAI, AoI, and the end-to-e... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.15.13.7 Member UE selection assistance unsubscribe procedure | This clause describes the procedure to delete the subscription for Member UE selection assistance in NEF.
Figure 4.15.13.7-1: Member UE selection assistance unsubscribe procedure
1. AF requests to delete the previous subscription for Member UE selection assistance by sending Nnef_MemberUESelectionAssistance_unsubscribe... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16 Procedures and flows for Policy Framework | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.1 AM Policy Association Establishment | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.1.1 General | There are three cases considered for AM Policy Association Establishment:
1. UE initial registration with the network.
2. The AMF re-allocation with PCF change in handover procedure and registration procedure.
3. EPS to 5GS mobility when there is no existing AM Policy Association between AMF and PCF for this UE. |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.1.2 AM Policy Association Establishment with new Selected PCF | Figure 4.16.1.2-1: AM Policy Association Establishment with new Selected PCF
This procedure concerns both roaming and non-roaming scenarios.
In the non-roaming case the role of the V-PCF is performed by the PCF. For the roaming scenarios, the V-PCF interacts with the AMF.
1. Based on local policies or the value of the ... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.1.3 Void | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.2 AM Policy Association Modification | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.2.0 General | There are three cases considered for AM Policy Association Modification:
- Case A: A Policy Control Request Trigger condition is met: the procedure is initiated by the AMF.
- Case B: PCF policy decision per local decision or per trigger by other peers of the PCF (i.e. UDR, AF or NWDAF): the procedure is initiated by th... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.2.1 AM Policy Association Modification initiated by the AMF | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.2.1.1 AM Policy Association Modification initiated by the AMF without AMF relocation | This procedure is applicable to Case A.
Figure 4.16.2.1.1-1: AM Policy Association Modification initiated by the AMF
This procedure concerns both roaming and non-roaming scenarios.
In the non-roaming case the role of the V-PCF is performed by the PCF. For the roaming scenarios, the V-PCF interacts with the AMF.
1. When... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.2.1.2 AM Policy Association Modification with old PCF during AMF relocation | This procedure is applicable to Case C. In this case, AMF relocation is performed without PCF change in handover procedure and registration procedure.
Figure 4.16.2.1.2-1: AM Policy Association Modification with the old PCF during AMF relocation
This procedure concerns both roaming and non-roaming scenarios.
In the non... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.2.2 AM Policy Association Modification initiated by the PCF | The AM Policy Association modification procedure may be initiated by an internal PCF event or by PCF obtaining pertinent analytics information from an NWDAF.
The following procedure is applicable to AM Policy Association modification due to Case B.
Figure 4.16.2.2-1: AM Policy Association Modification initiated by the ... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.3 AM Policy Association Termination | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.3.1 General | The following case is considered for AM Policy Association Termination:
1. UE Deregistration from the network.
2. The mobility with change of AMF (e.g. new AMF is in different PLMN or new AMF in the same PLMN).
3. [Optional] 5GS to EPS mobility with N26 if the UE is not connected to the 5GC over a non-3GPP access in th... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.3.2 AMF-initiated AM Policy Association Termination | Figure 4.16.3.2-1: AMF-initiated AM Policy Association Termination
This procedure concerns both roaming and non-roaming scenarios.
In the non-roaming case the role of the V-PCF is performed by the PCF. For the roaming scenarios, the V-PCF interacts with the AMF.
1. The AMF decides to terminate the AM Policy Association... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.3.3 Void | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.4 SM Policy Association Establishment | Figure 4.16.4-1: SM Policy Association Establishment
This procedure concerns both roaming and non-roaming scenarios.
In the non-roaming case the V-PCF is not involved. In the local breakout roaming case, the H-PCF is not involved. In the home routed roaming case, the V-PCF is not involved and the H-PCF interacts with t... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.5 SM Policy Association Modification | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.5.0 General | The following SM Policy Association Modification procedures concern both roaming and non-roaming scenarios.
In the non-roaming case the V-PCF is not involved. In the local breakout roaming case, the H-PCF is not involved. In the home routed roaming case, the V-PCF is not involved and the H-PCF interacts with the H-SMF.... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.5.1 SMF initiated SM Policy Association Modification | The SMF may initiate the SM Policy Association Modification procedure if a Policy Control Request Trigger is met.
NOTE 1: When SMF instance is changed within the same SMF set the callback URI can be updated via this procedure.
Figure 4.16.5.1-1: SMF initiated SM Policy Association Modification
For local breakout roamin... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.5.2 PCF initiated SM Policy Association Modification | The PCF may initiate SM Policy Association Modification procedure based on internal PCF event or triggered by other peers of the PCF (AF, NWDAF, CHF, UDR and TSCTSF).
Figure 4.16.5.2-1: PCF initiated SM Policy Association Modification
This procedure may be triggered by a local decision of the PCF or based on triggers f... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.6 SM Policy Association Termination | Figure 4.16.6-1: SM Policy Association Termination
This procedure concerns both roaming and non-roaming scenarios.
In the non-roaming case the V-PCF is not involved. In the local breakout roaming case, the H-PCF is not involved. In the home routed roaming case, the V-PCF is not involved and the H-PCF interacts only wit... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.7 Negotiations for future background data transfer | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.7.1 General | The procedure for future background data transfer as specified in clause 4.16.7.2 enables the negotiation between the NEF and the H-PCF about the transfer policies for the future background data transfer (as described in clause 6.1.2.4 of TS 23.503 [20]). The transfer policies consist of a desired time window for the b... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.7.2 Procedures for future background data transfer | Figure 4.16.7.2-1: Negotiation for future background data transfer
1. The AF invokes the Nnef_BDTPNegotiation_Create (ASP Identifier, Number of UEs, Volume per UE, Desired time window and optionally External Group Identifier, Network Area Information, Request for notification, MAC address or IP 3-tuple of Application s... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.7.3 Procedure for BDT warning notification | Figure 4.16.7.3-1: The procedure for BDT warning notification
1. The negotiation for Background Data Transfer (BDT) described in clause 4.16.7.2 is completed. In addition, the PCF has subscribed to analytics on "Network Performance" from NWDAF for the area of interest and time window of a background data transfer polic... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.8 Procedures on interaction between PCF and CHF | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.8.1 General | The PCF may interact with the CHF to make session management policy decisions, UE policy decisions and Access and Mobility related policy decisions based on spending limits. For session management policy decisions, in the Home Routed roaming and Non-roaming case, the H-PCF will interact with the CHF in HPLMN. For Acces... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.8.2 Initial Spending Limit Retrieval | This clause describes the signalling flow for the PCF to retrieve the status of the policy counters available at the CHF and to subscribe to spending limit reporting (i.e. to notifications of policy counter status changes) by the CHF. If the PCF provides the list of policy counter identifier(s), the CHF returns the pol... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.8.3 Intermediate Spending Limit Report Retrieval | This clause describes the signalling flow for the PCF to retrieve the status of additional policy counters available at the CHF or to unsubscribe from spending limit reporting. If the PCF provides the list of policy counter identifier(s), the CHF returns the policy counter status per policy counter identifier provided ... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.8.4 Final Spending Limit Report Retrieval | This clause describes the signalling flow for the PCF to cancel the subscriptions to status changes for the policy counters available at the CHF.
Figure 4.16.8.4.1: Final Spending Limit Report Retrieval
1. The PCF decides that notifications of policy counter status changes are no longer needed.
2. The PCF sends Nchf_Sp... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.8.5 Spending Limit Report | This clause describes the signalling flow for the CHF to notify the change of the status of the subscribed policy counters available at the CHF for that subscriber. Alternatively, the signalling flow can be used by the CHF to provide one or more pending statuses for a subscribed policy counter together with the time th... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.8.6 CHF report the removal of the subscriber | This clause describes the signalling flow for the CHF to report the removal of the subscriber.
Figure 4.16.8.6-1: CHF report the removal of the subscriber
1. The CHF decides that a subscriber is removed.
2. The CHF sends the Nchf_SpendingLimitControl_Notify Request to H-PCF to notify the removal of the subscriber. The ... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.9 Update of the subscription information in the PCF | Figure-4.16.9-1: Procedure for update of the subscription information in the PCF
NOTE: The V-PCF is not used for session management related policy decisions in this procedure.
0. The PCF performs the subscription to notification to the profile modified in the UDR by invoking Nudr_DM_Subscribe (Policy Data, SUPI, Notifi... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.10 Void | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.11 UE Policy Association Establishment | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.11.1 General | The UE Policy Association Establishment procedure, which may be performed for a UE registered in the same AMF or different AMFs for 3GPP access and non-3GPP access, concerns the following scenarios:
1. UE initial registration with the network.
2. The AMF relocation with PCF change in handover procedure and registration... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.12 UE Policy Association Modification | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.12.1 UE Policy Association Modification initiated by the AMF | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.12.1.1 UE Policy Association Modification initiated by the AMF without AMF relocation | This procedure addresses the scenario where a Policy Control Request Trigger condition is met.
Figure 4.16.12.1.1-1: UE Policy Association Modification initiated by the AMF
This procedure concerns both roaming and non-roaming scenarios.
In the non-roaming case the V-PCF is not involved. In the roaming case, the AMF int... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.12.1.2 UE Policy Association Modification with old PCF during AMF relocation | This procedure addresses the scenario where a UE Policy Association Modification with the old PCF during AMF relocation.
Figure 4.16.12.1.2-1: Policy Association Modification with the old PCF during AMF relocation
This procedure addresses both roaming and non-roaming scenarios.
In the non-roaming case the V-PCF is not ... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.12.2 UE Policy Association Modification initiated by the PCF | This procedure is used to update UE policy and/or UE policy triggers.
The H-PCF may interact with the CHF in HPLMN to make a decision about UE Policies based on spending limits.
Figure 4.16.12.2-1: UE Policy Association Modification initiated by the PCF
This procedure concerns both roaming and non-roaming scenarios.
In... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.13 UE Policy Association Termination | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.13.1 AMF-initiated UE Policy Association Termination | The following case is considered for UE Policy Association Termination:
1. UE Deregistration from the network when the UE is not registered in another access type.
2. The mobility with change of AMF (e.g. new AMF is in different PLMN or new AMF in the same PLMN).
3. [Optional] 5GS to EPS mobility with N26 if the UE is ... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.13.2 PCF-initiated UE Policy Association Termination | Figure 4.16.13.2-1: PCF-initiated UE Policy Association Termination
This procedure concerns both roaming and non-roaming scenarios.
In the non-roaming case, the V-PCF is not involved and the role of the H-PCF is performed by the PCF. For the roaming scenarios, the H-PCF interacts with the V-PCF to request removing Poli... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.14 Management of access and mobility related policy information depending on the application in use | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.14.1 General | The procedure for management of access and mobility related policy information depending on the application in use enables modification of the access and mobility related policy information on detection of the start and stop of an application.
The content of this clause applies to non-roaming and LBO roaming scenario (... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.14.2 Procedures for management of access and mobility related policy information | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.14.2.1 Management of access and mobility related policy information at start and stop of application traffic | This procedure applies when the AF provides a service coverage area or the indication of high throughput associated with the Application Identifier(s).
Figure 4.16.14.2.1-1: Management of access and mobility related policy information at start and stop of application traffic
1. The AMF establishes an AM Policy Associat... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.14.2.2 Management of access and mobility related policy information at SM Policy Association establishment and termination with the notification sent by the BSF | Figure 4.16.14.2.2-1: Management of access and mobility related policy information at SM Policy Association establishment and termination with the notification by the BSF
1. The AMF establishes an AM Policy Association for retrieving access and mobility related policy information, e.g. RFSP index value, as described in... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.15 Negotiations for planned data transfer with QoS requirements | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.15.1 General | The intent of this clause is to specify generic service procedures to enable the AF to negotiate viable time window for the planned application data transfer with specific QoS requirements and operational conditions via the support of the NEF.
The PDTQ policies are defined for a specific ASP and each PDTQ policy includ... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.15.2 Procedures | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.15.2.1 Procedures for negotiation of planned data transfer with QoS requirements | This clause describes the PDTQ procedures to negotiate viable time window for the planned application data transfer via the support of the NEF.
Figure 4.16.15.2.1-1: Negotiation for planned data transfer with QoS requirements
Prior to the transmission of the Application AI/ML data, the AF negotiates with the 5G Core fo... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.15.2.2 Procedure for PDTQ warning notification | Figure 4.16.15.2.2-1: The procedure for PDTQ warning notification
1. The negotiation for PDTQ policy as described in clause 4.16.15.2.1 is completed. In addition, the PCF has subscribed to analytics on "Network Performance" or "DN Performance" from NWDAF for the area of interest and time window of a PDTQ policy followi... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.16 Awareness of URSP Rule Enforcement | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.16.1 General | Awareness of URSP rule enforcement is specified in clause 6.6.2.4 of TS 23.503 [20].
The content of this clause describes the PCF procedures necessary to realize this functionality. |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.16.2 Forwarding of URSP Rule Enforcement Information (for non-roaming and HR roaming) | This procedure applies when the PCF serving the PDU session receives URSP rule enforcement information from the SMF and forwards this information to the (H-)PCF serving the UE (see clause 6.1.3.18 of TS 23.503 [20] for non-roaming and HR roaming).
Figure 4.16.16.2-1: Forwarding of URSP Rule Enforcement Information (for... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.16.16.3 Forwarding of URSP Rule Enforcement Information (for LBO roaming) | This procedure applies when the PCF serving the PDU session in VPLMN receives URSP rule enforcement information from the SMF and forwards this information to the V-PCF serving the UE in VPLMN and V-PCF forwards the information to the H-PCF serving the UE in HPLMN.
Figure 4.16.16.3-1: Forwarding of URSP Rule Enforcement... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.17 Network Function Service Framework Procedure | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.17.1 NF service Registration | NOTE 1: The term "NF service consumer" in this clause refers to the consumer of the NRF services and should not be confused with the role of the NF (consumer or producer).
Figure 4.17.1-1: NF Service Registration procedure
1. NF service consumer, i. e. an NF instance sends Nnrf_NFManagement_NFRegister Request message t... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.17.2 NF service update | Figure 4.17.2-1: NF Service Update procedure
1. NF service consumer i.e. an NF instance sends Nnrf_NFManagement_NFUpdate Request message (the updated NF profile of NF service consumer) to NRF to inform the NRF of its updated NF profile (e.g. with updated capacity) when e.g. triggered after a scaling operation. See clau... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.17.3 NF service deregistration | Figure 4.17.3-1: NF Service Deregistration procedure
1. NF service consumer i.e. an NF instance sends Nnrf_NFManagement_NFDeregister Request message to NRF to inform the NRF of its unavailability when e.g. it's about to gracefully shut down or disconnect from the network.
2. The NRF marks the NF service consumer unavai... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.17.4 NF/NF service discovery by NF service consumer in the same PLMN | Figure 4.17.4-1: NF/NF service discovery in the same PLMN
1. The NF service consumer intends to discover services available in the network based on service name and target NF type. The NF service consumer invokes Nnrf_NFDiscovery_Request (Expected NF service Name, NF Type of the expected NF instance, NF type of the NF ... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.17.5 NF/NF service discovery across PLMNs in the case of discovery made by NF service consumer | In the case that the NF service consumer intends to discover the NF/NF service in home PLMN, the NRF in serving PLMN needs to request "NF Discovery" service from NRF in the home PLMN. The procedure is depicted in the figure below:
Figure 4.17.5-1: NF/NF service discovery across PLMNs
1. The NF service consumer in the s... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.17.6 SMF Provisioning of available UPFs using the NRF | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.17.6.1 General | This clause describes the provisioning of available UPFs in SMF using the NRF as documented in clause 6.3.3 of TS 23.501 [2].
This optional node-level step takes place prior to selecting the UPF for PDU Sessions and may be followed by N4 Node Level procedures defined in clause 4.4.3 where the UPF and the SMF exchange i... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.17.6.2 SMF provisioning of UPF instances using NRF | This procedure applies when a SMF wants to get informed about UPFs available in the network and supporting a list of parameters.
Figure 4.17.6.2-1: SMF provisioning of UPF instances using NRF procedure
The following takes place when an SMF expects to be informed of UPFs available in the network:
1 The SMF issues a Nnrf... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.17.7 NF/NF service status subscribe/notify in the same PLMN | Figure 4.17.7-1: NF/NF service status subscribe/notify in the same PLMN
1. The NF service consumer subscribes to be notified of newly registered/updated/deregistered NF instances along with its NF services. The NF service consumer invokes Nnrf_NFManagement_NFStatusSubscribe Request from an appropriate configured NRF in... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.17.8 NF/NF service status subscribe/notify across PLMNs | In the case that the NF service consumer intends to subscribe to the status of NF/NF service instance(s) in home PLMN, the NRF in serving PLMN needs to request "NF status subscribe" service from NRF in the home PLMN. The notification is sent from the NRF in the home PLMN to the NF service consumer in the serving PLMN w... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.17.9 Delegated service discovery when NF service consumer and NF service producer are in same PLMN | Figure 4.17.9-1: Delegated NF service discovery when NF service consumer and NF service producer are in same PLMN
1. The NF service consumer intends to communicate with an NF service producer. The NF service consumer sends the service request to an SCP. The request may include discovery and selection parameters necessa... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.17.10 Delegated service discovery when NF service consumer and NF service producer are in different PLMNs without NF selection at target PLMN | Figure 4.17.10-1: Delegated NF service discovery when NF service consumer and NF service producer are in different PLMNs without NF selection at target PLMN
1. The NF service consumer intends to communicate with an NF service producer. The NF service consumer sends the request to an SCP. The request includes at least t... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.17.11 Indirect Communication without delegated discovery Procedure | This clause provides the call flow for indirect communication model without delegated discovery.
Figure 4.17.11-1: Procedure for Indirect Communication without delegated discovery
The NF/NF service discovery procedure is defined in clauses 4.17.4 and 4.17.5. In a successful discovery the NF service consumer gets the NF... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.17.12 Binding between NF service consumer and NF service producer | |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.17.12.1 General | This clause describes the procedures to establish binding between the NF service consumer and producer.
Direct Communication or Indirect Communication procedures may be used between the Consumer and Producer. In the case of Indirect Communication, an SCP is located between the Consumer and Producer. |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.17.12.2 Binding created as part of service response | When the NF service consumer communicates with the NF service producer, the producer may return a binding indication to the consumer. The consumer stores the received binding indication and uses it for the subsequent requests concerning the data context.
Figure 4.17.12.2-1: Binding created as part of service response
1... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.17.12.3 Binding created as part of service request | If the NF service consumer can also be as a NF service producer for later communication from the contacted producer, a service request sent to the producer may include binding indication.
NOTE: This clause only applies to an AMF, V-SMF or I-SMF as NF service consumer sending requests to an SMF and to an AMF as NF servi... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.17.12.4 Binding for subscription requests | Binding for notifications can be created as part of an explicit or implicit subscription request. In this case, illustrated in Figure 4.17.12.4-1, the subscription request may include a Binding Indication 1 referring to NF service instance, NF service Set, NF instance or NF Set and additionally includes a service name ... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.17.13 NRF bootstrapping procedure | Figure 4.17.13-1: Bootstrapping procedure
1. NF service consumer (e.g. v-NRF) sends a Nnrf_Bootstrapping_Get request to the configured address of the Bootstrapping Service instance.
2. NRF responds with all the Service Instances of the NRF and their endpoint addresses. This also contains if the NRF is part of an NF Set... |
fe7d56f8e2b5a29b90140ea988c1e8a1 | 23.502 | 4.18 Procedures for Management of PFDs |
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