https://en.wikipedia.org/wiki/Cloud_computing

Cloud computing can be deployed as private cloud, public cloud, hybrid cloud

Digital Manufacturing Platforms can be ran into IaaS, PaaS or SaaS. 
Considerations need to be made to security measures in the cloud (kubernetes, container security), identity & access, or carefully considering the security measures by the respective cloud services providers. 

https://en.wikipedia.org/wiki/Edge_computing

https://ecconsortium.eu/

European Edge Computing Consortium is working on a reference architecture in line with RAMI. 

A security architecture is being worked upon.