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a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.9.3.1 General | The following information flows are specified for the predictive slice modification support based on 9.9.2. |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.9.3.2 Application service continuity requirement request | Table 9.9.3.2-1 describes information elements for the Application service continuity requirement request from the VAL server to the NSCE server.
Table 9.9.3.2-1: Application service continuity requirement request
Information element
Status
Description
VAL server ID
M
The identifier of the VAL server
Security credentia... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.9.3.3 Application service continuity requirement response | Table 9.9.3.3-1 describes information elements for the Application service continuity requirement response from the NSCE server to the VAL server.
Table 9.9.3.3-1: Application service continuity requirement response
Information element
Status
Description
Result
M
The result of the request (positive or negative acknowle... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.9.3.4 Service continuity negotiation request | Table 9.9.3.4-1 describes information elements for the service continuity negotiation request from the S-NSCE server to the T-NSCE server.
Table 9.9.3.4-1: service continuity negotiation request
Information element
Status
Description
S-NSCE server ID
M
The identifier of the source NSCE server
VAL service ID
M
The ident... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.9.3.5 Service continuity negotiation response | Table 9.9.3.5-1 describes information elements for the service continuity negotiation response from the T-NSCE server to the S-NSCE server.
Table 9.9.3.5-1: service continuity negotiation response
Information element
Status
Description
Result
M
The result of the request (positive or negative acknowledgement)
Trigger Ac... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.9.3.6 Slice modification notify | Table 9.9.3.6-1 describes information elements for the slice modification notify message from the NSCE server to the VAL server or the VAL client (via NSCE client).
Table 9.9.4.6-1: slice modification notify
Information element
Status
Description
VAL service ID
M
The identifier of the VAL application which is expected ... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.9.4 APIs | |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.9.4.1 General | Table 9.9.4.1-1 illustrates the NSCE APIs for the predictive slice modification support feature.
Table 9.9.4.1-1: List of APIs for the predictive slice modification support feature
API Name
API Operations
Known Consumer(s)
Communication Type
SS_NSCE_Service_Continuity_Requirement
Service_Continuity_Requirement
VAL serv... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.9.4.2 SS_NSCE_Service_Continuity_Requirement | |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.9.4.2.1 General | API description: This API enables the VAL server to communicate with the network slice capability enablement server for requesting a service continuity requirement over NSCE-S. |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.9.4.2.2 Service_Continuity_Requirement | API operation name: Service_Continuity_Requirement
Description: Providing for Service_Continuity_Requirement to the NSCE server and receiving a response / result.
Known Consumers: VAL server.
Inputs: See table 9.9.3.2-1
Outputs: See table 9.9.3.3-1 |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.9.4.3 SS_NSCE_Service_Continuity_Negotiation | |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.9.4.3.1 General | API description: This API enables the S-NSCE server to communicate with the T-SNCE server for requesting a service continuity negotiation over NSCE-X. |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.9.4.3.2 Service_Continuity_Negotiation | API operation name: Service_Continuity_ Negotiation
Description: Providing for Service_Continuity_ Negotiation to the T-NSCE server and receiving a response / result.
Known Consumers: S-NSCE server.
Inputs: See table 9.9.3.4-1
Outputs: See table 9.9.3.5-1 |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.9.4.4 SS_NSCE_Slice_Modification_Notify | |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.9.4.4.1 General | API description: This API enables the network slice capability enablement server to communicate with the VAL server or VAL UE (NSCE client or VAL client) for notifying the slice modification to extend to the target service area. |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.9.4.4.2 Slice_Modification_Notify | API operation name: Slice_Modification_Notify
Description: Notifying about the slice modification to extend to the target area.
Known Consumers: VAL server.
Inputs: See table 9.9.3.6-1
Outputs: None |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.10 Multiple slices coordinated resource optimization | |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.10.1 General | Based on preferred QoS request from the vertical applications, the performance monitoring of multiple slices of one network (PNI-NPN slice and PLMN slice) and resource adjustment between different slices can be made to realize optimized and efficient resource usage. |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.10.2 Procedure | |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.10.2.1 Procedure on multiple slices coordinated resource optimization | Figure 9.10.2.1-1 illustrates the procedure of multiple slices coordinated resource optimization service from VAL server to NSCE server.
Pre-conditions:
1. The network slice enabler layer is capable to interact with PLMN 5GC or OAM system to handle slices of PLMN and its PNI-NPNs.
2. PNI-NPNs are deployed as network sl... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.10.3 Information flows | |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.10.3.1 General | The following information flows are specified:
- Multiple slices coordinated resource optimization request and response. |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.10.3.2 Multiple slices coordinated resource optimization request | Table 9.10.3.2-1 describes information elements for the multiple slices coordinated resource optimization request from the VAL server to the NSCE server.
Table 9.10.3.2-1: Multiple slices coordinated resource optimization request
Information element
Status
Description
Requestor Identifier
M
Unique identifier of the req... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.10.3.3 Multiple slices coordinated resource optimization response | Table 9.10.3.3-1 describes the information elements for the multiple slices coordinated resource optimization response from the NSCE server to the VAL server.
Table 9.10.3.3-1: Multiple slices coordinated resource optimization response
Information element
Status
Description
Result
M
Indicates the success or failure of ... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.10.4 APIs | |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.10.4.1 General | Table 9.10.4.1-1 illustrates the API for multiple slices coordinated resource optimization.
Table 9.10.4.1-1: Multiple slices coordinated resource optimization
API Name
API Operations
Known Consumer(s)
Communication Type
SS_NSCE_MultiSlices_Optimization
MultiSlices_Optimization
VAL server
Request /Response |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.10.4.2 SS_NSCE_MultiSlices_Optimization operation | API operation name: SS_NSCE_MultiSlices_Optimization_Request
Description: The consumer subscribes for multiple slices coordinated resource optimization .
Inputs: See clause 9.10.3.2.
Outputs: See clause 9.10.3.3.
See clause 9.10.2 for details of usage of this operation. |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.11 Network slice adaptation for VAL application | |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.11.1 General | This subclause describes the procedure for network slice adaptation at the Network Slice Capability Enablement (NSCE) server, based on a request from a VAL server to adapt the network slice for the VAL application. This request is handled between the NSCE server and the NSCE client per each VAL UE of the VAL applicatio... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.11.2 Procedures | |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.11.2.1 Procedure for VAL server-triggered and network-based network slice adaptation for VAL application - request and response model | Figure 9.11.2.1-1 illustrates the VAL server-triggered and network-based procedure where the NSCE server supports the network slice adaptation with the underlying 3GPP system for the VAL UEs of the VAL application.
Figure 9.11.2.1-1: Network slice adaptation for VAL application
1. The VAL server sends a network slice a... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.11.2.2 Procedure for VAL UE-triggered and network-based network slice adaptation for VAL application - request and response model | Figure 9.11.2.2-1 illustrates the VAL UE-triggered and network-based procedure where the NSCE server supports the network slice adaptation with the underlying 3GPP system for the VAL UEs of the VAL application.
Pre-condition:
- The NSCE client has connected to the NSCE server;
Figure 9.11.2.2-1: Network slice adaptatio... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.11.2.3 Procedure for VAL server-triggered and network-based network slice adaptation for VAL application – subscribe and notify model | Figure 9.11.2.3-1 illustrates the VAL server-triggered and network-based procedure with subscribe and notify model where the NSCE server supports the network slice adaptation with the underlying 3GPP system for the VAL UEs of the VAL application.
Figure 9.11.2.3-1: Network slice adaptation for VAL application
1. The VA... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.11.2.4 Procedure for VAL UE-triggered and network-based network slice adaptation for VAL application - subscribe and notify model | Figure 9.11.2.4-1 illustrates the VAL UE-triggered and network-based procedure with subscribe and notify modeld where the NSCE server supports the network slice adaptation with the underlying 3GPP system for the VAL UEs of the VAL application.
Pre-condition:
- The NSCE client has connected to the NSCE server;
Figure 9.... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.11.3 Information flows | |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.11.3.1 Network slice adaptation request | Table 9.11.3.1-1 describes the information flow network slice adaptation request from the VAL server to the NSCE server.
Table 9.11.3.1-1: Network slice adaptation request
Information element
Status
Description
VAL service ID
M
The VAL service ID of the VAL application for which the network slice adaptation may corresp... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.11.3.2 Network slice adaptation response | Table 9.11.3.2-1 describes the information flow network slice adaptation response from the NSCE server to the VAL server.
Table 9.11.3.2-1: Network slice adaptation response
Information element
Status
Description
Result
M
Result includes success or failure of the network slice adaptation with the underlying network.
Ca... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.11.3.3 Network slice adaptation trigger | Table 9.11.3.3-1 describes the information flow Network slice adaptation trigger from the NSCE client to the NSCE server.
Table 9.11.3.3-1: Network slice adaptation trigger
Information element
Status
Description
VAL UE ID(s)
M
The VAL UE ID(s) within the VAL service, for which the network slice adaptation trigger appli... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.11.3.4 Network slice adaptation trigger response | Table 9.11.3.4-1 describes the information flow network slice adaptation trigger response from the NSCE server to the NSCE client and optionally to the VAL client.
Table 9.11.3.4-1: Network slice adaptation trigger response
Information element
Status
Description
Result
M
Result includes success or failure of the networ... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.11.3.5 Network slice adaptation subscribe request | Table 9.11.3.5-1 describes the information flow network slice adaptation subscribe request from the VAL server to the NSCE server.
Table 9.11.3.5-1: Network slice adaptation subscribe request
Information element
Status
Description
VAL service ID
M
The VAL service ID of the VAL application for which the network slice ad... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.11.3.6 Network slice adaptation subscribe response | Table 9.11.3.6-1 describes the information flow network slice adaptation subscribe response from the NSCE server to the VAL server.
Table 9.11.3.6-1: Network slice adaptation subscribe response
Information element
Status
Description
Subscription ID
M
(see NOTE)
Identifier of the subscription
Result
M
Result includes su... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.11.3.7 Network slice adaptation trigger subscribe request | Table 9.11.3.7-1 describes the information flow Network slice adaptation trigger subscribe request from the NSCE client to the NSCE server.
Table 9.11.3.7-1: Network slice adaptation trigger subscribe request
Information element
Status
Description
VAL UE ID(s)
M
The VAL UE ID(s) within the VAL service, for which the ne... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.11.3.8 Network slice adaptation trigger subscribe response | Table 9.11.3.8-1 describes the information flow network slice adaptation trigger subscribe response from the NSCE server to the NSCE client and optionally to the VAL client.
Table 9.11.3.8-1: Network slice adaptation trigger subscribe response
Information element
Status
Description
Subscription ID
M
(see NOTE)
Identifi... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.11.3.9 Network slice adaptation notification | Table 9.11.3.9-1 describes the information flow network slice adaptation notification from the NSCE server to the VAL server or to the NSCE client.
Table 9.11.3.9-1: Network slice adaptation notification
Information element
Status
Description
Subscription ID
M (NOTE)
Identifier of the subscription
Adaption result
M
Res... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.11.4 APIs | |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.11.4.1 General | Table 9.11.4.1-1 illustrates the APIs for VAL server-triggered and network-based network slice adaptation.
Table 9.11.4.1-1: List of APIs for network slice adaptation
API Name
API Operations
Known Consumer(s)
Communication Type
SS_ NSCE_NetworkSliceAdaptation
Network_slice_adaptation
VAL server
Request /Response
Table ... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.11.4.2 SS_NSCE_NetworkSliceAdaptation API | |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.11.4.2.1 General | API description: This API enables the VAL server to communicate with the network slice capability enablement server for network slice adaptation over NSCE-S. |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.11.4.2.2 Network_Slice_Adaptation | API operation name: Network_Slice_Adaptation
Description: Requesting for network slice adaptation.
Known Consumers: VAL server.
Inputs: See subclause 9.11.3.1
Outputs: See subclause 9.11.3.2
See subclause 9.11.2.1 for the details of usage of this API operation. |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.12 Slice related communication service lifecycle management exposure | |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.12.1 General | The NSCE server supports the slice related communication service lifecycle management exposure to VAL server. The NSCE server acquires the application services related requirements for a specific VAL service from the vertical industry perspective, evaluates these requirements and then determines the network slice by pr... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.12.2 Procedure | |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.12.2.1 Procedures on slice related communication service lifecycle management exposure | |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.12.2.1.1 Slice related Communication Service Creation | Figure 9.12.2.1.1-1 illustrates the procedure of slice related communication service creation. The NSCE helps to allocate network slice resources to support the application service required by the verticals.
Pre-conditions:
1. The VAL server has registered to receive NSCE services.
Figure 9.12.2.1.1-1: Slice related co... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.12.2.1.2 Slice related Communication Service Reconfiguration | Figure 9.12.2.1.2-1 illustrates the procedure of slice related communication service reconfiguration to support the application service. The NSCE server provides the APIs to enable the VAL server to reconfigure the application service related requirements in case the current application service is not satisfied or appl... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.12.2.1.3 Slice related Communication Service disengagement | Figure 9.12.2.1.3-1 illustrates the procedure of slice related communication service disengagement. The NSCE server provides the APIs to enable the VAL server to terminate an application service.
Pre-conditions:
1. The VAL server has registered to receive NSCE services.
2. The VAL server has requested the NSCE server t... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.12.3 Information flows | |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.12.3.1 General | The following information flows are specified for slice related communication service lifecycle management:
- slice related communication service creation
- slice related communication service reconfiguration
- slice related communication service disengagement |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.12.3.2 Slice related communication service creation | Table 9.12.3.2-1 and Table 9.12.3.2-2 describe information elements for slice related communication service creation request and response between the VAL server and the NSCE server.
Table 9.12.3.2-1: Slice related communication service creation request
Information element
Status
Description
VAL server ID
M
The identifi... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.12.3.3 Slice related communication service reconfiguration | Table 9.12.3.3-1 and Table 9.12.3.3-2 describe information elements for slice related communication service reconfiguration request and response between the VAL server and the NSCE server.
Table 9.12.3.3-1: Slice related communication service reconfiguration request
Information element
Status
Description
VAL server ID
... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.12.3.4 Slice related communication service disengagement | Table 9.12.3.4-1: Slice related communication service disengagement request
Information element
Status
Description
VAL server ID
M
The identifier of the VAL server
VAL service name
M
The name of the application service to be terminated which requires the disengagement of the slice related communication service, the val... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.12.4 APIs | |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.12.4.1 General | Table 9.12.4.1-1 and 9.12.4.1-2 illustrate the API for slice related communication service lifecycle management exposure.
Table 9.12.4.1-1: SS_NSCE_SliceCommServiceCreation
API Name
API Operations
Operation
Semantics
Consumer(s)
SS_NSCE_SliceCommService_Creation
SliceCommService_Creation_Request
Request /Response
VAL s... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.12.4.2 SS_NSCE_SliceCommService_Creation API | API operation name: SliceCommService_Creation
Description: The consumer requests to create the slice related communication service
Known Consumers: VAL server.
Inputs: See table 9.12.3.2-1.
Outputs: See table 9.12.3.2-2.
See clause 9.12.2.1.1 for details of usage of this operation. |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.12.4.3 SS_NSCE_SliceCommService_Reconfiguration API | API operation name: SliceCommService_Reconfiguration
Description: The consumer requests to report reconfigure the slice related communication service.
Known Consumers: VAL server.
Inputs: See table 9.12.3.3-1.
Outputs: See table 9.12.3.3-2.
See clause 9.12.2.1.2 for details of usage of this operation. |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.12.4.4 SS_NSCE_SliceCommService_Disengagement API | API operation name: SliceCommService_Disengagement
Description: The consumer requests to disengagement the slice related communication service.
Known Consumers: VAL server.
Inputs: See table 9.12.3.4-1.
Outputs: See table 9.12.3.4-2.
See clause 9.12.2.1.3 for details of usage of this operation. |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.13 Predictive slice modification in Inter-PLMN based slice service continuity | |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.13.1 General | This feature applies to the specific deployment where NSCE service provider provides its services when connected to two PLMNs and has SLA with them (i.e. deployment shown in 3GPP TS 23.434 [2] Figure 8.2.2-2). In this feature, the NSCE server initially receives an expected/predicted UE location/mobility change request ... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.13.2 Procedure | In the procedure shown in Figure 9.13.2-1, a mechanism is provided to allow for slice modification when a vertical application of single or group of VAL UEs migrates (or is expected/predicted to migrate) to a different PLMN supported by the same NSCE server.
Pre-conditions:
1. Enterprise hosting the VAL server has SLA ... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.13.3 Information flows | |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.13.3.1 General | The following information flows are specified for predictive inter-PLMN slice service continuity:
- Inter-PLMN application service continuity requirement
- Slice modification notification |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.13.3.2 Inter-PLMN application service continuity requirement request | Table 9.13.3.2-1 and Table 9.13.3.2-2 describe information elements inter-PLMN application service continuity requirement request and response between the VAL server and the NSCE server.
Table 9.13.3.2-1: Inter-PLMN application service continuity requirement request
Information element
Status
Description
VAL server ID
... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.13.3.3 Inter-PLMN slice modification notify | Table 9.13.3.3-1 describes information elements for the inter-PLMN slice modification notify message from the NSCE server to the VAL server or the VAL client (via NSCE client).
Table 9.13.3.3-1: Inter-PLMN slice modification notify
Information element
Status
Description
VAL service ID
M
The identifier of the VAL applic... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.13.4 APIs | |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.13.4.1 General | Table 9.13.4.1-1 illustrates the API for inter-PLMN application service continuity exposure.
Table 9.13.4.1-1: Inter-PLMN application service continuity requirement
API Name
API Operations
Operation
Semantics
Consumer(s)
SS_NSCE_InterPLMN_Continuity
Inter-PLMN_Continuity_Requirement
Request /Response
VAL server
SS_NSCE... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.13.4.2 SS_NSCE_Inter-PLMN_Continuity API | API operation name: Inter-PLMN_Continuity_Requirement
Description: The consumer requests to have inter-PLMN slice service continuity
Known Consumers: VAL server.
Inputs: See table 9.13.3.2-1.
Outputs: See table 9.13.3.2-2.
See clause 9.13.2 for details of usage of this operation. |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.13.4.3 SS_NSCE_Inter-PLMN_slice modification notify API | API operation name: Inter-PLMN_Slice_Modification_Notify
Description: The NSCE notifies about slice modification
Known Consumers: VAL server.
Inputs: See table 9.13.3.3-1
Outputs: None
See clause 9.13.2 for details of usage of this operation. |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.14 Network slice diagnostics | |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.14.1 General | Network slice diagnostics provides possibility for the vertical/ASP using VAL server to receive information about the specific event(s) related to service experience. The vertical/ASP using the VAL server has estimated bad QoE for a mobile user or service – either reported from a mobile user or service or detected by a... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.14.2 Procedure | |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.14.2.1 Network slice diagnostics procedure | In the procedure shown in Figure 9.14.2.1-1, a mechanism is provided to allow for vertical/ASP using VAL server to initiate request for network slice diagnostics and receive all the relevant information about specific events.
Pre-conditions:
1. Enterprise hosting the VAL server has SLA for slice services with NSCE serv... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.14.3 Information flows | |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.14.3.1 General | The following information flows are specified for Network slice diagnostics:
- Network slice diagnostics request and response |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.14.3.2 Network slice diagnostics request and response | Table 9.14.3.2-1 and Table 9.14.3.2-2 describe information elements for the network slice diagnostics request and response between the VAL server and the NSCE server.
Table 9.14.3.2-1: Network slice diagnostics request
Information element
Status
Description
VAL information
M
The information of the VAL server.
Network S... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.14.4 APIs | |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.14.4.1 General | Table 9.14.3.2-1 and 9.14.3.2-2 illustrate the API for network slice diagnostics.
Table 9.14.4.1-1: List of APIs for the network slice diagnostics feature
API Name
API Operations
Known Consumer(s)
Communication Type
SS_NSCE_Network Slice Diagnostics
Network Slice Diagnostics
VAL server
Request / Response |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.14.4.2 SS_NSCE_Network_Slice_Diagnostics | |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.14.4.2.1 General | API description: This API enables the VAL server to communicate with the network slice capability enablement server for requesting network slice diagnostics over NSCE-S. |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.14.4.2.2 Network_Slice_Diagnostics | API operation name: Network_Slice_Diagnostics
Description: Request for Network_Slice_Diagnostics to the NSCE server and receiving a response / result.
Known Consumers: VAL server.
Inputs: See table 9.14.3.2-1.
Outputs: See table 9.14.3.2-2. |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.15 Network slice fault management capability exposure | |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.15.1 General | 5GS is required to provide suitable APIs to allow a trusted third-party to monitor the network slice used for the third-party according to operator policies. And network diagnostics is of key importance that helps with scanning, diagnosing and identifying problems within a network. Diagnostics includes gathering data a... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.15.2 Procedure | |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.15.2.1 Procedures on network slice fault management capability exposure | Figure 9.15.2.1-1 illustrates the network slice fault management process to address the key issue 4 of network slice fault management.
Pre-conditions:
1. The network slice enabler layer is capable to interact with NEF and OAM system.
2. The VAL server has checked the status of application layer.
Figure 9.15.2.1-1: Supp... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.15.3 Information flows | |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.15.3.1 General | The following information flows are specified for the network slice fault management capability exposure. |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.15.3.2 Fault diagnosis subscription request | Table 9.15.3.2-1 describes information elements for fault diagnosis subscription.
Table 9.15.3.2-1: Fault diagnosis subscription
Information element
Status
Description
VAL server ID
M
The identifier of the VAL server
VAL service ID
M
The identifier of the VAL service for which the request applies
VAL UE ID list
O
The l... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.15.3.3 Response of fault diagnosis subscription | Table 9.15.3.3-1 describes information elements for response of fault diagnosis subscription.
Table 9.15.3.3-1: Response of fault diagnosis subscription
Information element
Status
Description
Subscription ID
M
Subscription identifier corresponding to the subscription
Result
M
The result of the request (positive or nega... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.15.3.4 Fault diagnosis notification | Table 9.15.3.4-1 describes information elements for fault diagnosis notification.
Table 9.15.3.3-4: Fault diagnosis notification
Information element
Status
Description
Subscription ID
M
Subscription identifier corresponding to the subscription
Fault Report ID
M
Identifier of the fault Report
FaultReport
M
The report of... |
a89a0ce5789287ec186d94e36b976f2e | 23.435 | 9.15.4 APIs |
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