1

Event: Received information of deployment of a Network Function (NF) service.

Action: Create a ManagedNFService instance (MSI) whose(Administrative/Operational/Registration) are set to Locked/Disabled/Deregistered.

2

Event: Received information of positive state change of the NF service.

Action: Set the Operational state of the MSI to Enabled.

3

Event: Received CM operation to unlock the NF Service or the NF.

Action: Set the Administrative state of the MSI to Unlocked.

Note: Changing Administrative state on NF service level is optional

4

Event: Received information that the NF Service is registered to an NRF either by the NF itself or by an OAM system on behalf of the NF.

Action: Set the registration state of the MSI to Registered.

5

Event: Received information that the NF Service is deregistered from the NRF either by the NF itself or by an OAM system on behalf of the NF.

Action: Set registration state of the MSI to Deregistered.

6

Event: Received information that the NF Service is unavailable because of, for example, limitation of resource or other exceptions.

Action: Set the Operational state of the MSI to Disabled.

7

Event: Received information that the NF Service is unavailable.

Action: Deregister the NF Service on behalf of the NF, and set the registration state of the MSI to Deregistered.

8

Event: Received CM operation to lock the NF Service or the NF.

Action: Set the Administrative state of the MSI to Locked.

Note: Changing Administrative state on NF service level is optional

9

Event: Received information that the NF Service is terminated or deleted,

Action: Delete the MSI and set its state to NULL.