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The following UML diagram shows the xNF Update flow from updates in A&AI for RunTimeDB
In this flow, A&AI has determined that a xNF (PNF or VNF) has been removed or added to the network.
And so downstream dependent components need to update their information that a xNF has been removed/added.
In the case of RunTime, there would be a record for that xNF and it would be need to be removed/added
the basic mechanism of how this is done is reused (nothing new is introduced): A&AI publishes an notify event on DMaaP bus,
and RunTime (component) subscribes to that event and updates itself.
The describes the xNF information updates and keys based on xNF update.
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