Feature Description
The Network Function (NF) Repository Function (NRF) supports the following functionality:
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Maintains the NF profile of available NF instances and their supported services;
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Allows other NF instances to subscribe to, and get notified about, the registration in NRF of new NF instances of a given type;
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Supports service discovery function. It receives NF Discovery Requests from NF instances, and provides the information of the available NF instances fulfilling certain criteria (for example, supporting a given service).