Inventory Management re-states its case

In a post last week we posed the question on whether Inventory Management still retains relevance. There are certainly uses cases where it remains unquestionably needed. But perhaps others that are no longer required, a relic of old-school processes and data flows.
 
If you have an extensive OSP (Outside Plant) network, you have almost no option but to store all this passive infrastructure in an Inventory Management solution. You don’t have the option of having an EMS (Element Management System) console / API to tell you the current design/location/status of the network. 
 
In the modern world of ubiquitous connection and overlay / virtual networks, Inventory Management might be less essential than it once was. For service qualification, provisioning and perhaps even capacity planning, everything you need to know is available on demand from the EMS/s. The network is a more correct version of the network inventory than external repository (ie Inventory Management) can hope to be, even if you have great success with synchronisation.
 
But I have a couple of other new-age use-cases to share with you where Inventory Management still retains relevance.
 
One is for connectivity (okay so this isn’t exactly a new-age use-case, but the scenario I’m about to describe is). If we have a modern overlay / virtual network, anything that stays within a domain is likely to be better served by its EMS equivalent. Especially since connectivity is no longer as simple as physical connections or nearest neighbours with advanced routing protocols. But anything that goes cross-domain and/or off-net needs a mechanism to correlate, coordinate and connect. That’s the role the Inventory Manager is able to do (conceptually).
 
The other is for digital twinning. OSS (including Inventory Management) was the “original twin.” It was an offline mimic of the production network. But I cite Inventory Management as having a new-age requirement for the digital twin. I increasingly foresee the need for predictive scenarios to be modelled outside the production network (ie in the twin!). We want to try failure / degradation scenarios. We want to optimise our allocation of capital. We want to simulate and optimise customer experience under different network states and loads. We’re beginning to see the compute power that’s able to drive these scenarios (and more) at scale.
 
Is it possible to handle these without an Inventory Manager (or equivalent)?
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