Within a storage network, encryption of data may occur at different hardware levels.
Actually at a hardware level, its not all packet based yet.
Memory barrier instructions only address reordering effects at the hardware level.
But still, on a raw hardware level, it's definitely possible to do that.
The truth is that what's actually happening down at the hardware level is really simple.
When working at the hardware level, Peterson's algorithm is typically not needed to achieve atomic access.
Thus these systems do not implement a von Neumann architecture at the hardware level.
On a hardware level, it has no internal expansion slots.
The Microtan 65 had a single step function that could be used for debugging at the hardware level.
This is done on the hardware level inside the keyboard's controller itself.