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How is coherence-related activity broadcasted over the bus? is it like packets transmitted over the cable? So are there some complex protocols to deal with packet loss or packet corruption?


@mallocanswer It's more of a ECE problem. Basically bus is nothing but a bunch of wires. It transmits signal with a series of 0,1s by setting the electric potential. There's also a clock wire that coordinates each controller read/write those signals.