Feature Description

PCF supports the following functions for the Network Repository Function (NRF) Subscription to Notifications feature:

  • The NRF supports the 3GPP December 2018 specification for interface discovery, registration for renaming NRF, change type, and removal or addition of new API attributes. PCF supports the notification subscription from NRF. The notifications are for profile changes that are based on the service name.

  • PCF supports the subscription of notifications from NRF. This support includes the following functions:

    • Use the NRFManagement service for subscriptions for changes in network function instances that are based on the subscribed service name.

    • Implement notifications callback URL for PCF to handle the notifications from NRF for subscribed service names.

    • Allow the resubscription during the validity subscription time.

    • Support unsubscription based on the subscribed ID.

    • Prioritize NF profiles from NRF over preconfigurations or configured local set for an NF type.

  • Supports the following repository functions:

    • Allow the repository configuration with multiple endpoints, which are primary endpoints, secondary endpoints, and tertiary endpoints.

    • Allow configuration of the profile discovery, which is based on service name and other parameters.

    • Allow configuration of the registration repository.

  • Handles notifications from NRF for the subscribed service name.

  • Provides statistics and metrics to track the following tasks:

    • Manage notifications of NFProfile from NRF for a specific service name.

    • Manage subscriptions for a specific service name.

    • Manage resubscriptions for a specific service name.

    • Manage unsubscriptions and deletions for a specific service name.