Content for TS 23.548 Word version: 18.4.0
7 Network Function Services and Descriptions
7.1 EASDF Services
7.1.1 General
7.1.2 Neasdf_DNSContext Service
7.1.2.1 General
7.1.2.2 Neasdf_DNSContext_Create Service Operation
7.1.2.3 Neasdf_DNSContext_Update Service Operation
7.1.2.4 Neasdf_DNSContext_Delete Service Operation
7.1.2.5 Neasdf_DNSContext_Notify Service Operation
7.1.3 Neasdf_BaselineDNSPattern Service
7.1.3.1 General
7.1.3.2 Neasdf_BaselineDNSPattern_Create Service Operation
7.1.3.3 Neasdf_BaselineDNSPattern_Update Service Operation
7.1.3.4 Neasdf_BaselineDNSPattern_Delete Service Operation
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7 Network Function Services and Descriptions p. 73
7.1 EASDF Services p. 73
7.1.1 General p. 73
The following Table illustrates the EASDF Services and Service Operations.
| Service Name | Service Operations | Operation Semantics | Example Consumer(s) |
|---|---|---|---|
| Neasdf_ | Create | Request/Response | SMF |
| Update | Request/Response | SMF | |
| Delete | Request/Response | SMF | |
| Notify | Subscribe/Notify | SMF | |
| Neasdf_ | Create | Request/Response | SMF |
| Update | Request/Response | SMF | |
| Delete | Request/Response | SMF |
7.1.2 Neasdf_DNSContext Service p. 73
7.1.2.1 General p. 73
Service description: This service enables the consumer to create, update, or delete DNS context in EASDF and to Subscribe to DNS message related reporting from EASDF.
DNS contexts in EASDF include rules on how EASDF is to handle DNS messages.
This service also can be supported by V-EASDF in VPLMN for HR scenario supporting HR-SBO.
7.1.2.2 Neasdf_DNSContext_Create Service Operation p. 73
Service operation name:
Neasdf_DNSContext_Create
Description:
Create a DNS context in EASDF.
Input, Required:
UE IP address, DNN, S-NSSAI, Notification Endpoint.
Input, Optional:
HPLMN ID, DNS message handling rules, N6 traffic routing information (towards the Local PSA-UPF).
DNS message detection and Actions(s) are specified in clause 6.2.3.2.2.
Output, Required:
If successful, IP address of the EASDF, EASDF Context ID, Result Indication.
Output, Optional:
None.
7.1.2.3 Neasdf_DNSContext_Update Service Operation p. 73
Service operation name:
Neasdf_DNSContext_Update
Description:
Update the DNS context in EASDF, or indicate EASDF to forward the DNS Response to UE.
Input, Required:
EASDF Context ID, updated DNS message handling rules.
Input, Optional:
UE IP address, N6 traffic routing information (towards the Local PSA-UPF).
Output, Required:
Result Indication.
Output, Optional:
None.
7.1.2.4 Neasdf_DNSContext_Delete Service Operation p. 74
Service operation name:
Neasdf_DNSContext_Delete
Description:
Delete the DNS context in EASDF.
Input, Required:
EASDF Context ID.
Input, Optional:
None.
Output, Required:
Result Indication.
Output, Optional:
None.
7.1.2.5 Neasdf_DNSContext_Notify Service Operation p. 74
Service operation name:
Neasdf_DNSContext_Notify
Description:
EASDF reports DNS message related information to the consumer when receiving DNS Query or DNS Response.
Input, Required:
DNS message reporting information (DNS message content specified in clause 6.2.3.2.2 and corresponding DNS message type), Notification Endpoint.
Input, Optional:
DNS message identifier.
Output, Required:
Result Indication.
Output, Optional:
None.
7.1.3 Neasdf_BaselineDNSPattern Service p. 74
7.1.3.1 General p. 74
This service provides the capability to create, update or remove BaselineDNSPattern in EASDF. See clause 6.2.3.4.4 for detailed procedure.
7.1.3.2 Neasdf_BaselineDNSPattern_Create Service Operation p. 74
Service operation name:
Neasdf_BaselineDNSPattern_Create
Description:
Create the BaselineDNSPattern in EASDF.
Input, Required:
BaselineDNSPattern.
Input, Optional:
None.
Output, Required:
Success or Failure.
Output, Optional:
7.1.3.3 Neasdf_BaselineDNSPattern_Update Service Operation p. 75
Service operation name:
Neasdf_BaselineDNSPattern_Update
Description:
Update the BaselineDNSPattern in EASDF.
Input, Required:
Updated BaselineDNSPattern.
Input, Optional:
None.
Output, Required:
Success or Failure.
Output, Optional:
None.
7.1.3.4 Neasdf_BaselineDNSPattern_Delete Service Operation p. 75
Service operation name:
Neasdf_BaselineDNSPattern_Delete
Description:
Delete the BaselineDNSPattern in EASDF.
Input, Required:
Baseline DNS message detection template ID and/or Baseline DNS handling actions ID.
Input, Optional:
None.
Output, Required:
Result.
Output, Optional:
None.
