Send NS Notifications Backend Service

Supports the Send NS Notification operation and workflows which do the following sequence:

<Send NS Notification: note: the following workflow is a template, and it can be enhanced as needed.>

• Supports SOL005-compliant Send NS Notification operation
• Supports input parameters handling:
  • Initialize Parameter:
    • query NFVO_SUBSCRIPTION DB for the given key
    • get the callback URI from the return subscription 
• Formulates notification data (one of the followings)
  • NsLcmOperationOccurrenceNotification,
  • NsIdentifierCreationNotification,
  • NsIdentifierDeletionNotification or
  • NsChangeNotification
• Sends notifications to the subscriber(s) for NS LCM: POST <<callback URI>> (<<Notification>>)
• Gets response: 204 No Content from the subscriber (e.g, SO SOL005 Adapter)