What's New in This Guide

This section lists the documentation updates for Release 24.2.x in Oracle Communications Cloud Native Core, Network Slice Selection Function User Guide.

Release 24.2.1- F97764-02, October 2024

• Enhancements:
  • DNS SRV Based Selection of SCP in NSSF
    • Updated feature configuration and prerequisites.
    • Removed unsupported Helm parameters.
  • Monitoring the Availability of SCPs using SCP Health APIs:
    • Updated feature configuration and prerequisites.
    • Added sample REST API configurations (sample cURLs)
    • Removed unsupported Helm parameters.
• General Updates:
  • Updated release number to 24.2.1 throughout the document.
  • Updated the architecture diagram and component details in NSSF Architecture section.
  • Updated the flow of information for "Candidate AMF selection by NSSF" in Network Slice Selection Service.
  • Updated the names of the following metrics by appending "_total" at the end as per Prometheus dashboard for the "Autopopulation of Configuration Using NRF Content" feature:

    Success measurements:

    • ocnssf_nsconfig_nrf_disc_success_total
    • ocnssf_subscription_nrf_tx_total

    Error measurements:

    • ocnssf_nsconfig_nrf_disc_error_total
    • ocnssf_discovery_nrf_tx_failed_total
    • ocnssf_subscription_nrf_tx_failed_total
  • Updated the sample value of "producerScope" metric to "nnssf-nsselection,nnssf-nssaiavailability" in OAuth Access Token Based Authorization.
  • Added details of metrics types in NSSF Metrics.
  • Added details of Alerts Levels or Severity Types in NSSF Alerts.
  • Added the details of the following alerts in System Level Alerts:
    • OcnssfAuditorServiceDown
    • OcnssfAlternateRouteServiceDown
    • OcnssfNrfClientDiscoveryServiceDown
    • OcnssfNrfClientManagementServiceDown
    • OcnssfPerfInfoServiceDown
    • OcnssfOcpmConfigServiceDown
  • Removed unsupported UI attributes for Routes Configuration, SBI Error Criteria Sets, and Ingress Routes Configuration.
  • Updated description of following UI attributes in SBI Error Criteria Sets:
    • Method
    • Exceptions
  • Updated description of following UI attributes in User Agent Header Generation:
    • NF FQDN
    • Add Fqdn To Header

Release 24.2.0- F97764-01, July 2024

• Updated release number to 24.2.0 throughout the document.
• Updated details of "Update Service Operation" for NSSAI Availability Service as an enhancement in the core behavior of NSSF.
• Updated Ingress Gateway Pod Protection feature to add details of expected behavior for both the deployment modes, ASM and non-ASM.
• Updated Auto-Population of Configuration Based on NSAvailability Update feature to add details of enhancements, such as update in REST API configuration and option to enable or disable the feature.
• Perform the following updates in Overload Control based on Percentage Discards feature:
  • Added a note about random function and how there can be a difference between configured percentage based discards and observed values due to this function at the Ingress Gateway.
  • Added cross references to the corresponding CNC Console sections for the Common Services REST APIs.
• Corrected the metric name from "ocnssf_nsselection_success_response_tx" to "ocnssf_nsselection_success_tx_total" in Time of the Day Based Network Slice Instance Selection and Multiple PLMN Support sections.
• Added a note in Multiple PLMN Support section that when the global.supportedPlmnList parameter is empty, then the multiple PLMN feature is turned off, indicating that all PLMNs are permitted.
• Updated Error Scenarios table in Multiple PLMN Support section to change status code from 200 OK to 403 PLMN_NOT_SUPPORTED when AMF tries to update session data for unknown PLMNs and known PLMNs.
• Updated stack information from dual stack to single stack in IPv6 Support feature.
• Updated CNC Console configuration for NSSF System Option with the option to enable or disable AutoConfiguration from Trusted AMFs.
• Added CNC Console configuration for Trusted Amf.
• Updated CNC Console configuration for SBI Error Criteria Sets for the following fields:
  • Added a note that Cause field is not supported in NSSF and the user needs to remove the default configured Cause to configure SBI Error Criteria Sets in NSSF.
  • Updated field description of Headers Matching Script to mention that this field is not supported in NSSF, and it can be left blank.