| and Core Network Service | 2 |
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| CORE_02 | Service instantiation | When triggered by NSSMF Adaptor with allocateNSSI for allocating a new Core NSSI, Core NSSMF (SO) triggers OOF for Core NSSI selection, OOF provides Slice Profiles for Core NF. | 3 |
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| CORE_03 | Service instantiation (New NSSI) | SO (Core NSSMF) creates new Core NSSI in AAI | 3 |
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| Prepare Service order and trigger EXTAPI for instantiating new Core NFs | 3 |
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| On successful response from EXTAPI for the serviceOrderId associate instantiated core network service to NSSI. And update SO database with service operation status | 3 |
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| CORE_04 | Service instantiation (Existing NSSI) | When triggered by NSSMF Adaptor with allocateNSSI for allocating a new Core NSSI, Core NSSMF (SO) triggers OOF for Core NSSI selection, OOF provides Slice Profiles for Core NF. | 3 |
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| OOF returns existing NSSI. Find the associated network service with NSSI | 5 |
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| Prepare request payload to trigger SO macro flow to update the Core network service NFs | 5 |
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| Trigger SO macro flow (by calling serviceInstance api PUT method). | 5 |
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| On successful response update the SO database with service operation status | 5 |
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| CORE_05 | Service Activation and Service Deactivate | When triggered by NSSMF Adaptor with activateNSSI or deactivateNSSI for activating/deactivating Core NSSI | 7,8 |
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| Get all s-nssai and orchestration status from slice profiles associated with NSSI | 7.8 |
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| Get VNF/VFs associated with NSSI. Prepare request payload to trigger SO macro service to activate/deactivate the status of s-nssai received from NSSMF adapter | 7.8 |
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| Onsuccessful response update slice profile instance in AAI | 7.8 |
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| CORE_06 | Service Deallocate | When triggered by NSSMF Adaptor with deAllocate for deallocating Core NSSI | 9, 10, 15 |
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| Get the network service instance and slice profile associated with NSSI |
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| If TerminateNSSI=true then |
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| trigger EXPAPI to delete network service instance
Remove NSSI association with NSI
Remove association of slice profile instance with NSSI
Delete the slice profile instance
Delete NSSI service instance |
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| Update SO database with operation status |
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| CORE_07 | Service Deallocate | When triggered by NSSMF Adaptor with deAllocate for deallocating Core NSSI | 9 |
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| Get the network service instance and slice profile associated with NSSI |
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| If TerminateNSSI=false then |
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| Get VNF/VFs associated with NSSI. Get all the s-nssai from the slice profiles associated with NSSI |
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| Prepare request payload to trigger SO macro flow to update the Core network service NFs |
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| Remove NSSI association with NSI
Remove association of slice profile instance with NSSI
Delete the slice profile instance |
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| Update SO database with operation status |
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| CORE_08 | Service Modify (create new slice profile instance) | When triggered by NSSMF Adaptor with modify for modifying Core NSSI |
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| Get the network service instance and slice profile associated with NSSI |
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| Get VNF/VFs associated with NSSI. Get all the s-nssai from the slice profiles associated with NSSI |
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| Prepare request payload to trigger SO macro flow to update the Core network service NFs |
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| On success response, create slice profile instance in AAI
Associate slice profile instance with NSSI |
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| Update SO database with operation status |
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| CORE_09 | Service Modify (delete slice profile instance) | When triggered by NSSMF Adaptor with modify for modifying Core NSSI |
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| Get the network service instance and slice profile associated with NSSI |
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| Get VNF/VFs associated with NSSI. Get all the s-nssai from the slice profiles associated with NSSI |
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| Prepare request payload to trigger SO macro flow to update the Core network service NFs |
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| On success response, remove NSSI to slice profile association
Delete the slice profile instance |
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| Update SO database with operation status |
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