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Architecting the Industrial Internet by Carla Romano, Robert Stackowiak, Shyam Nath

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Analytics capacity considerations

One of the benefits of IIoT is being able to benefit from the combined wisdom of IT and OT. Due to the separate nature of these systems, they each need a different approach. IT relies on elasticity to grow or shrink capacity as needed; OT relies on predetermined capacity.

Elasticity is a fundamental feature of cloud computing where the system capacity can adjust to the current workload by provisioning or de-provisioning resources, in much the same way retailers increase staffing during holiday seasons and release them when no longer needed; however, the cloud changes capacity automatically.

Determinism involves a pre-determined capacity to support known or predictable computation and message transmission ...

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