There is still a question of how complex the network is. One could argue that an IP based network stack is unnecessarily complex, and we should use a simpler sy

There is still a question of how complex the network is. One could argue that an IP based network stack is unnecessarily complex, and we should use a simpler system to improve reliability and security. In concept, the "network" could be nothing more than dumb wires connected to DIO and PWM ports.