hash stringlengths 32 32 | doc_id stringlengths 5 12 | section stringlengths 5 1.47k | content stringlengths 0 6.67M |
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fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.2.6.3 SCP profile | SCP profile maintained in an NRF includes the following information:
- SCP ID.
- FQDN or IP address of SCP.
- Indication that the profile is of an SCP (e.g. NF type parameter set to type SCP).
- SCP capacity information.
- SCP load information.
- SCP priority.
- Location information for the SCP (see locality in clause ... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.2.7 UDM | The Unified Data Management (UDM) includes support for the following functionality:
- Generation of 3GPP AKA Authentication Credentials.
- User Identification Handling (e.g. storage and management of SUPI for each subscriber in the 5G system).
- Support of de-concealment of privacy-protected subscription identifier (SU... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.2.8 AUSF | The Authentication Server Function (AUSF) supports the following functionality:
- Supports authentication for 3GPP access and untrusted non-3GPP access as specified in TS 33.501 [29].
- Supports authentication of UE for a Disaster Roaming service as specified in TS 33.501 [29]. |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.2.9 N3IWF | The functionality of N3IWF in the case of untrusted non-3GPP access includes the following:
- Support of IPsec tunnel establishment with the UE: The N3IWF terminates the IKEv2/IPsec protocols with the UE over NWu and relays over N2 the information needed to authenticate the UE and authorize its access to the 5G Core Ne... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.2.10 AF | The Application Function (AF) interacts with the 3GPP Core Network in order to provide services, for example to support the following:
- Application Function influence on traffic routing (see clause 5.6.7);
- Application Function influence on Service Function Chaining (see clause 5.6.16.2);
- Accessing Network Exposure... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.2.11 UDR | The Unified Data Repository (UDR) supports the following functionality:
- Storage and retrieval of subscription data by the UDM.
- Storage and retrieval of policy data by the PCF.
- Storage and retrieval of structured data for exposure.
- Application data (including Packet Flow Descriptions (PFDs) for application detec... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.2.12 UDSF | The UDSF is an optional function that supports the following functionality:
- Storage and retrieval of information as unstructured data by any NF. Notify a NF consumer if information validity has expired.
- Timer service to any NF.
NOTE 1: Structured data in this specification refers to data for which the structure is ... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.2.13 SMSF | The SMSF supports the following functionality to support SMS over NAS:
- SMS management subscription data checking and conducting SMS delivery accordingly.
- SM-RP/SM-CP with the UE (see TS 24.011 [6]).
- Relay the SM from UE toward SMS-GMSC/IWMSC/SMS-Router.
- Relay the SM from SMS-GMSC/IWMSC/SMS-Router toward the UE.... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.2.14 NSSF | The Network Slice Selection Function (NSSF) supports the following functionality:
- Selecting the set of Network Slice instances serving the UE;
- Determining the Allowed NSSAI and, if needed, the mapping to the Subscribed S-NSSAIs;
- Determining the Configured NSSAI and, if needed, the mapping to the Subscribed S-NSSA... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.2.15 5G-EIR | The 5G-EIR is an optional network function that supports the following functionality:
- Check the status of PEI (e.g. to check that it has not been prohibited). |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.2.16 LMF | The functionality of LMF is defined in clause 4.3.8 of TS 23.273 [87].
6.2.16A GMLC
The functionality of GMLC is defined in clause 4.3.8 of TS 23.273 [87]. |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.2.17 SEPP | The Security Edge Protection Proxy (SEPP) is a non-transparent proxy and supports the following functionality:
- Message filtering and policing on inter-PLMN control plane interfaces.
NOTE: The SEPP protects the connection between Service Consumers and Service Producers from a security perspective, i.e. the SEPP does n... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.2.18 Network Data Analytics Function (NWDAF) | The Network Data Analytics Function (NWDAF) includes one or more of the following functionalities:
- Support data collection from NFs and AFs;
- Support data collection from OAM;
- Support retrieval of information from data repositories (e.g. UDR via UDM for subscriber-related information or via NEF(PFDF) for PFD infor... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.2.19 SCP | The Service Communication Proxy (SCP) includes one or more of the following functionalities. Some or all of the SCP functionalities may be supported in a single instance of an SCP:
- Indirect Communication (see clause 7.1.1 for details).
- Delegated Discovery (see clauses 7.1.1 and 6.3.1 for details).
- Message forward... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.2.20 W-AGF | The functionality of W-AGF is specified in TS 23.316 [84]. |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.2.21 UE radio Capability Management Function (UCMF) | The UCMF is used for storage of dictionary entries corresponding to either PLMN-assigned or Manufacturer-assigned UE Radio Capability IDs. An AMF may subscribe with the UCMF to obtain from the UCMF new values of UE Radio Capability ID that the UCMF assigns for the purpose of caching them locally.
Provisioning of Manufa... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.2.22 TWIF | The functionality of Trusted WLAN Interworking Function (TWIF) is specified in clause 4.2.8.5.3. |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.2.23 NSSAAF | The Network Slice-specific and SNPN Authentication and Authorization Function (NSSAAF) supports the following functionality:
- Support for Network Slice-Specific Authentication and Authorization as specified in TS 23.502 [3] with a AAA Server (AAA-S). If the AAA-S belongs to a third party, the NSSAAF may contact the AA... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.2.24 DCCF | The Data Collection Coordination Function (DCCF) supports the following functionality:
- Determining Data Sources that can provide data for a received data request.
- Determining whether data is already being collected from a data source.
- Instructing a Messaging Framework to send data to consumers or notification end... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.2.25 MFAF | The Messaging Framework Adaptor Function (MFAF) supports the following functionality:
- Interfacing with a DCCF that controls how a messaging framework will process, format and send data to consumers or notification endpoints.
- Receiving data from Data Sources via services offered by those Data Sources.
- Sending data... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.2.26 ADRF | The Analytics Data Repository Function (ADRF) supports the following functionality:
- Storage and retrieval of analytics generated by NWDAFs and collected data.
- Storage and retrieval of ML model files trained by NWDAFs containing MTLF.
The Analytics Data Repository Function (ADRF) is specified in TS 23.288 [86]. |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.2.27 MB-SMF | The functionality of MB-SMF is specified in TS 23.247 [129].
6.2.27a MB-UPF
The functionality of MB-UPF is specified in TS 23.247 [129].
6.2.27b MBSF
The functionality of MBSF is specified in TS 23.247 [129].
6.2.27c MBSTF
The functionality of MBSTF is specified in TS 23.247 [129]. |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.2.28 NSACF | The Network Slice Admission Control Function (NSACF) supports the following functionality:
- Support of monitoring and controlling the number of registered UEs per network slice.
- Support of monitoring and controlling the number of UEs with at least one PDU Session/PDN Connection per network slice in case of EPC inter... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.2.29 TSCTSF | The Time Sensitive Communication and Time Synchronization Function (TSCTSF) supports the following functionality:
- Associating the time synchronization service request (see clause 5.27.1.8) from the NF consumer to the AF sessions with the PCF (the session between the PCF and TSCTSF).
- Controlling time synchronization... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.2.30 5G DDNMF | The functionality of 5G DDNMF is defined in TS 23.304 [128]. |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.2.31 EASDF | The functionality of EASDF is defined in TS 23.548 [130]. |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.2.32 TSN AF | The TSN AF supports control plane translator functionality for the integration of the 5GS with a TSN network, this involves e.g.:
- 5GS Bridge management.
- Port and bridge management information exchange with DS-TT or NW-TT.
- Interactions with the CNC for 5GS Bridge configuration and reporting.
- determining the TSC ... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.2.33 NSWOF | The NSWOF interfaces the WLAN access network using the SWa interface as defined in TS 23.402 [43] and interfaces the AUSF using the Nausf SBI performing protocol translation and AUSF discovery (see clause 6.3.4). |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.2.34 EIF | The Energy Information Function (EIF) includes support for the following functionalities:
- Collect data from OAM and 5GC NF(s) to assist the calculation of energy related information.
- Calculate the energy related information (including energy consumption information and renewable energy information) of user plane co... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3 Principles for Network Function and Network Function Service discovery and selection | |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.1 General | The NF discovery and NF service discovery enable Core Network entities (NFs or Service Communication Proxy (SCP)) to discover a set of NF instance(s) and NF service instance(s) for a specific NF service or an NF type. NF service discovery is enabled via the NF discovery procedure, as specified in clauses 4.17.4, 4.17.5... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.1.0 Principles for Binding, Selection and Reselection | Binding can be used to indicate suitable target NF producer instance(s) for NF service instance selection, reselection and routing of subsequent requests associated with a specific NF producer resource (context) and NF service. This allows the NF producer to indicate that the NF consumer, for a particular context, shou... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.1.1 NF Discovery and Selection aspects relevant with indirect communication | For indirect communication shown in Annex E, the SCP performs the following functionalities regarding Network Function and Network Function Service discovery and selection:
- If the request includes a Routing Binding Indication, the SCP shall route the service request to the requested target as specified in Table 6.3.1... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.1.2 Location information | The location information describes the network location of the NF instance. It can consist of one or more levels. Each level describes one location aspect, such as geographic location, data centre, cluster, etc. An NF instance has only one location.
The location information may be used to select the NF service instance... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.2 SMF discovery and selection | The SMF selection functionality is supported by the AMF and SCP and is used to allocate an SMF that shall manage the PDU Session. The SMF selection procedures are described in clause 4.3.2.2.3 of TS 23.502 [3].
The SMF discovery and selection functionality follows the principles stated in clause 6.3.1.
If the AMF does ... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.3 User Plane Function Selection | |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.3.1 Overview | The selection and reselection of the UPF for PDU session establishment, UE mobility or UE traffic offloading are performed by the SMF by considering UPF deployment scenarios such as centrally located UPF and distributed UPF located close to or at the Access Network site. The selection of the UPF shall also enable deplo... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.3.2 SMF Provisioning of available UPF(s) | SMF may be locally configured with the information about the available UPFs, e.g. by OAM system when a UPF is instantiated or removed, or the SMF may become aware of a UPF via a UPF initiated N4 Association establishment (as described in clause 4.4.3 of TS 23.502 [3]).
NOTE 1: UPF information can be updated e.g. by OAM... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.3.3 Selection of an UPF for a particular PDU Session | The following parameter(s) and information may be considered by the SMF for UPF selection and re-selection:
- UPF's dynamic load.
- Analytics (i.e. statistics or predictions) for UPF load, Service Experience analytics and/or DN Performance analytics per UP path (including UPF and/or DNAI and/or AS instance) and UE rela... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.4 AUSF discovery and selection | In the case of NF consumer based discovery and selection, the following applies:
- The AMF and the NSWOF perform AUSF selection to allocate an AUSF Instance that performs authentication between the UE and 5G CN in the HPLMN. The AMF and the NSWOF shall utilize the NRF to discover the AUSF instance(s) unless AUSF inform... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.5 AMF discovery and selection | The AMF discovery and selection functionality is applicable to both 3GPP access and non-3GPP access.
The AMF selection functionality can be supported by the 5G-AN (e.g. RAN, N3IWF) and is used to select an AMF instance for a given UE. An AMF supports the AMF selection functionality to select an AMF for relocation or be... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.6 N3IWF selection | |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.6.1 General | When the UE supports connectivity with N3IWF but does not support connectivity with ePDG, as specified in TS 23.402 [43], the UE shall perform the procedure in clause 6.3.6.2 for selecting an N3IWF.
When the UE supports connectivity with N3IWF, as well as with ePDG, as specified in TS 23.402 [43], the UE shall perform ... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.6.2 Stand-alone N3IWF selection | The UE performs N3IWF selection based on the ePDG selection procedure as specified in clause 4.5.4 of TS 23.402 [43] except for the following differences:
- The Tracking/Location Area Identifier FQDN shall be constructed by the UE based only on the Tracking Area wherein the UE is located. The N3IWF Tracking/Location Ar... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.6.3 Combined N3IWF/ePDG Selection | When the UE wants to select a non-3GPP access node (either an N3IWF or an ePDG), the UE shall perform the following procedure:
1) The UE shall attempt to determine the country it is located in. This is determined by implementation-specific methods not defined in this specification. If the UE cannot determine the countr... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.6.4 PLMN and non-3GPP access node Selection for emergency services | |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.6.4.1 General | UE initiates PLMN and non-3GPP access node selection for emergency services when it detects a user request for emergency session and determines that untrusted non-3GPP access shall be used for the emergency access.
When the UE supports connectivity with N3IWF but does not support connectivity with ePDG, as specified in... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.6.4.2 Stand-alone N3IWF selection | If the UE is attached to 5GC via an N3IWF that is located in the same country as the country in which the UE is currently located and the AMF has previously indicated support for emergency services over non-3GPP access as defined in clause 5.16.4.1, the UE reuses the existing N3IWF connection for emergency services. Ot... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.6.3.3 Combined N3IWF/ePDG Selection | If the UE is attached to 5GC via an N3IWF that is located in the same country as the country in which the UE is currently located and the AMF has previously indicated support for emergency services over non-3GPP access as defined in clause 5.16.4.1, the UE reuses the existing N3IWF connection for emergency services. Ot... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.7 PCF discovery and selection | |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.7.0 General principles | Clause 6.3.7.0 describes the underlying principles for PCF selection and discovery:
- There may be multiple and separately addressable PCFs in a PLMN.
- The PCF must be able to correlate the AF service session established over N5 or Rx with the associated PDU Session (Session binding) handled over N7.
- It shall be pos... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.7.1 PCF discovery and selection for a UE or a PDU Session | PCF discovery and selection functionality is implemented in AMF, SMF, SCP and PCF for the PDU Session and follows the principles in clause 6.3.1.
When the NF service consumer performs PCF discovery and selection for a UE, the following applies:
- The AMF may utilize the NRF to discover the candidate PCF instance(s) for... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.7.2 Providing policy requirements that apply to multiple UE and hence to multiple PCF | An authorized Application Function may, via the NEF, provide policy requirements that apply to multiple UE(s) (which, for example, belong to group of UE(s) defined by subscription or to any UE). Such policy requirements shall apply to any existing or future PDU Sessions that match the parameters in the AF request and t... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.7.3 Binding an AF request targeting a UE address to the relevant PCF | Binding an AF request targeting a UE address to the relevant PCF instance is described in clause 6.1.1.2 of TS 23.503 [45]. |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.7.4 Binding an AF request targeting a UE to the relevant PCF | Binding an AF request targeting a UE to the relevant PCF is described in clause 6.1.1.2a of TS 23.503 [45]. |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.8 UDM discovery and selection | The NF consumer or the SCP performs UDM discovery to discover a UDM instance that manages the user subscriptions.
If the NF consumer performs discovery and selection, the NF consumers shall utilize the NRF to discover the UDM instance(s) unless UDM information is available by other means, e.g. locally configured on NF ... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.9 UDR discovery and selection | Multiple instances of UDR may be deployed, each one storing specific data or providing service to a specific set of NF consumers as described in clause 4.2.5. In segmented UDR deployment, different instances of UDR store the data for different Data Sets and Data Subsets or for different users. A UDR instance can also s... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.10 SMSF discovery and selection | The SMSF selection function is supported by the AMF and is used to allocate an SMSF instance that shall manage the SMS.
If the "SMS supported" indication is included in the Registration Request by the UE, the AMF checks SMS subscription from the UDM for the UE on whether the SMS is allowed for the UE.
If the SMS is all... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.11 CHF discovery and selection | The CHF discovery and selection function is supported by the SMF, the AMF, the SMSF and the PCF. It is used by the SMF to select a CHF that manages the online charging or offline charging for a PDU Session of a subscriber. It is used by the AMF to select a CHF that manages the online charging or offline charging for 5G... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.12 Trusted Non-3GPP Access Network selection | |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.12.1 General | Clause 6.3.12 specifies how a UE, which wants to establish connectivity via trusted non-3GPP access and is not operating in SNPN access mode, selects a PLMN and a trusted non-3GPP access network (TNAN) to connect to.
NOTE: For UE operating in SNPN access mode refer to clause 5.30.2.13.
How the UE decides to use trusted... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.12.2 Access Network Selection Procedure | The steps below specify the steps executed by the UE when the UE wants to select and connect to a PLMN over trusted non-3GPP access. Note that the UE executes these steps before connecting to a trusted non-3GPP access network. This is different from the untrusted non-3GPP access (see clause 6.3.6, "N3IWF selection"), w... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.13 NWDAF discovery and selection | Multiple instances of NWDAF may be deployed in a network.
The NF consumers shall utilize the NRF to discover NWDAF instance(s) unless NWDAF information is available by other means, e.g. locally configured on NF consumers. NF consumers may make an additional query to UDM, when supported, as detailed below. The NWDAF sel... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.14 NEF Discovery | The NF consumers may utilize the NRF to discover NEF instance(s) unless NEF information is available by other means, e.g. locally configured in NF consumers. The NRF provides NF profile(s) of NEF instance(s) to the NF consumers.
The IP address(es)/port(s) of the NEF or L-NEF may be locally configured in the AF, or the ... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.15 UCMF Discovery and Selection | The AMF, MME, NEF, AF, SCEF, SCS/AS may utilize the NRF to discover UCMF instance(s) unless UCMF information is available by other means, e.g. locally configured in UCMF services consumers.
In the case of delegated discovery and selection in SCP, the NF consumer shall forward the request towards SCP. |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.16 SCP discovery and selection | An NF is configured with its serving SCP(s).
In a deployment where several SCPs are deployed, a message may traverse several SCP instances until reaching its final destination. A SCP may discover and select a next hop SCP by querying the Nnrf_NFDiscovery Service of the NRF or it may be configured with next SCP in the m... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.17 NSSAAF discovery and selection | In the case of NF consumer based discovery and selection, the following applies:
- The NF consumer (e.g. AMF, AUSF) performs NSSAAF selection to select an NSSAAF Instance that supports authentication between the UE and the AAA-S associated with the HPLMN or in the Credentials Holder in the case of SNPN or in the DCS do... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.18 5G-EIR discovery and selection | A consumer NF of the 5G-EIR performs discovery of 5G-EIR using either configuration or NRF as specified in clause 6.3.1. The network is configured with the 5G-EIR to serve the PLMN of the NF consumer requesting the 5G-EIR service, i.e. no roaming interface is defined.
The 5G-EIR selection function in NF consumers is in... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.19 DCCF discovery and selection | Multiple instances of DCCF may be deployed in a network.
The NF consumers shall utilize the NRF to discover DCCF instance(s) unless DCCF information is available by other means, e.g. locally configured on NF consumers. The DCCF selection function in NF consumers selects a DCCF instance based on the available DCCF insta... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.20 ADRF discovery and selection | Multiple instances of ADRF may be deployed in a network.
The NF consumers shall utilize the NRF to discover ADRF instance(s) unless ADRF information is available by other means, e.g. locally configured on NF consumers. The ADRF selection function in NF consumers selects an ADRF instance based on the available ADRF inst... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.21 MFAF discovery and selection | Multiple instances of MFAF may be deployed in a network.
The MFAF selection function is supported by the DCCF. The DCCF shall utilize the NRF to discover MFAF instance(s) unless MFAF information is available by other means, e.g. locally configured on the DCCF. The MFAF selection function in the DCCF selects a MFAF inst... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.22 NSACF discovery and selection | The NF consumers shall utilise the NRF to discover NSACF instance(s), including the NSACF acting as Primary NSACF role, unless NSACF information is available by other means, e.g. locally configured in NF consumers.
The NSACF selection function in the NSACF NF consumer selects an NSACF instance based on the available NS... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.23 EASDF discovery and selection | Multiple instances of EASDF may be deployed in a network. NF consumers mentioned in this clause are SMF(s) or I-SMF in the case that I-SMF based Local Offloading Management applies..
In the case that I-SMF based Local Offloading Management applies, EASDF discovery and selection is only performed by the selected I-SMF.
... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.24 TSCTSF Discovery | The NFs (e.g. NEF, AF and PCF) may utilize the NRF to discover TSCTSF instance(s) unless TSCTSF information is available by other means, e.g. locally configured in the requested NF.
The following factors may be considered for TSCTSF discovery and selection:
- DNN and S-NSSAI. When the NF discovers the TSCTSF for a DNN/... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.25 AF Discovery and Selection | The NF consumers (e.g. NWDAF) may utilize the NRF to discover AF instance(s) in the MNO domain, i.e. trusted AF(s), unless AF information is available by other means, e.g. locally configured in NF consumers. The NRF provides NF profile(s) of AF instance(s) to the NF consumers.
The following factors may be considered fo... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.26 NRF discovery and selection | The following mechanisms may be used for discovery of NRF service instances and their endpoint addresses:
- NF consumers or SCP may have all the NRF services instances and their endpoint addresses locally configured.
- NF consumers or SCP may have the endpoint address of a NRF discovery service locally configured and u... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.27 EIF discovery and selection | The NF consumers may utilise the NRF services to discover EIF instance(s) or the EIF selection information may be locally configured in NF consumers.
The following factors may be considered by the NF consumer for EIF selection:
- Location (see locality in clause 6.1.6.2.2 of TS 29.510 [58]). |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 6.3.28 NSSF discovery and selection | The following mechanisms may be used for discovery of NSSF service instances and their endpoint addresses in the serving network:
- NF consumer (i.e. AMF) or SCP may have all the NSSF services instances and their endpoint addresses locally configured.
- NF consumer (i.e. AMF) or SCP may utilise the NRF discovery servic... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 7 Network Function Services and descriptions | |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 7.1 Network Function Service Framework | |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 7.1.1 General | Service Framework functionalities include e.g. service registration/de-registration, consumer authorization, service discovery and inter service communication, which include selection and message passing. Four communication options are listed in Annex E and can all co-exist within one and the same network.
An NF servic... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 7.1.2 NF Service Consumer - NF Service Producer interactions | The end-to-end interaction between two Network Functions (Consumer and Producer) within this NF service framework follows two mechanisms, irrespective of whether Direct Communication or Indirect Communication is used:
- "Request-response": A NF_B (NF Service Producer) is requested by another NF_A (NF Service Consumer) ... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 7.1.3 Network Function Service discovery | A Network function (NF) within the 5G Core network may expose its capabilities as services via its service based interface, which can be re-used by CN NFs.
The NF service discovery enables a CN NF or SCP to discover NF instance(s) that provide the expected NF service(s). The NF service discovery is implemented via the ... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 7.1.4 Network Function Service Authorization | NF service authorization shall ensure the NF Service Consumer is authorized to access the NF service provided by the NF Service Provider, according to e.g. the policy of NF, the policy from the serving operator, the inter-operator agreement.
Service authorization information shall be configured as one of the components... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 7.1.5 Network Function and Network Function Service registration and de-registration | For the NRF to properly maintain the information of available NF instances and their supported services, each NF instance informs the NRF of the list of NF services that it supports.
NOTE: The NF informs the appropriate NRF based on configuration.
The NF instance may make this information available to NRF when the NF i... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 7.2 Network Function Services | |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 7.2.1 General | In the context of this specification, an NF service is offering a capability to authorised consumers.
Network Functions may offer different capabilities and thus, different NF services to distinct consumers. Each of the NF services offered by a Network Function shall be self-contained, reusable and use management schem... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 7.2.2 AMF Services | The following NF services are specified for AMF:
Table 7.2.2-1: NF Services provided by AMF
Service Name
Description
Reference in TS 23.502 [3] or indicated other TS
Namf_Communication
Enables an NF consumer to communicate with the UE and/or the AN through the AMF.
This service enables SMF to request EBI allocation to ... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 7.2.3 SMF Services | The following NF services are specified for SMF:
Table 7.2.3-1: NF Services provided by SMF
Service Name
Description
Reference in TS 23.502 [3]
Nsmf_PDUSession
This service manages the PDU Sessions and uses the policy and charging rules received from the PCF. The service operations exposed by this NF service allows the... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 7.2.4 PCF Services | The following NF services are specified for PCF:
Table 7.2.4-1: NF Services provided by PCF
Service Name
Description
Reference in TS 23.502 [3] or indicated other TS
Npcf_AMPolicyControl
This PCF service provides Access Control, network selection and Mobility Management related policies, UE Route Selection Policies to ... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 7.2.5 UDM Services | The following NF services are specified for UDM:
Table 7.2.5-1: NF Services provided by UDM
Service Name
Description
Reference in TS 23.502 [3] or indicated other TS
Nudm_UECM
1. Provide the NF consumer of the information related to UE's transaction information, e.g. UE's serving NF identifier, UE status, etc.
2. Allow... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 7.2.6 NRF Services | The following NF services are specified for NRF:
Table 7.2.6-1: NF Services provided by NRF
Service Name
Description
Reference in TS 23.502 [3]
Nnrf_NFManagement
Provides support for register, deregister and update service to NF, NF services, SCP. Provide NF service consumers and SCP with notifications of newly registe... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 7.2.7 AUSF Services | The following NF services are specified for AUSF:
Table 7.2.7-1: NF Services provided by AUSF
Service Name
Description
Reference in TS 23.502 [3]
Nausf_UEauthentication
The AUSF provides UE authentication service to requester NF. For AKA based authentication, this operation can also be used to recover from security con... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 7.2.8 NEF Services | The following NF services are specified for NEF:
Table 7.2.8-1: NF Services provided by NEF
Service Name
Description
Reference in TS 23.502 [3] or other TS
Nnef_EventExposure
Provides support for event exposure.
5.2.6.2
Nnef_PFDManagement
Provides support for PFDs management.
5.2.6.3
Nnef_ParameterProvision
Provides su... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 7.2.9 SMSF Services | The following NF services are specified for SMSF:
Table 7.2.9-1: NF Services provided by SMSF
Service Name
Description
Reference in TS 23.502 [3]
Nsmsf_SMService
This service allows AMF to authorize SMS and activate SMS for the served user on SMSF.
Additionally, this service allows downlink SMS message transmit from co... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 7.2.10 UDR Services | The following NF services are specified for UDR:
Table 7.2.10-1: NF Services provided by UDR
Service Name
Description
Reference in TS 23.502 [3]
Nudr_DM
Allows NF consumers to retrieve, create, update, subscribe for change notifications, unsubscribe for change notifications and delete data stored in the UDR, based on t... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 7.2.11 5G-EIR Services | The following NF services are specified for 5G-EIR:
Table 7.2.11-1: NF Services provided by 5G-EIR
Service Name
Description
Reference in TS 23.502 [3]
N5g-eir_Equipment Identity Check
This service enables the 5G-EIR to check the PEI and check whether the PEI is in the prohibited list or not.
5.2.4.2 |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 7.2.12 NWDAF Services | The following NF services are specified for NWDAF:
Table 7.2.12-1: NF Services provided by NWDAF
Service Name
Description
Reference in TS 23.288 [86]
Nnwdaf_AnalyticsSubscription
This service enables the NF service consumers to subscribe/unsubscribe for different type of analytics from NWDAF.
7.2
Nnwdaf_AnalyticsInfo
T... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 7.2.13 UDSF Services | The following NF services are specified for UDSF:
Table 7.2.13-1: NF Services provided by UDSF
Service Name
Description
Reference in TS 23.502 [3]
Nudsf_UnstructuredDataManagement
Allows NF consumers to retrieve, create, update and delete data stored in the UDSF.
5.2.14.2
Nudsf_Timer
Allows NF consumers to start, stop,... |
fbecc7f0dcf9784c6066646052ab0c0e | 23.501 | 7.2.14 NSSF Services | The following NF services are specified for NSSF:
Table 7.2.14-1: NF Services provided by NSSF
Service Name
Description
Reference in TS 23.502 [3]
Nnssf_NSSelection
Provides the requested Network Slice information to the Requester.
5.2.16.2
Nnssf_NSSAIAvailability
Provides NF consumer on the availability of S-NSSAIs on... |
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