Event-driven with formally designated actors and protocols between actors is pretty old. '90s at least. An old tool, ObjecTime, deferred decisions about which a

Event-driven with formally designated actors and protocols between actors is pretty old. '90s at least. An old tool, ObjecTime, deferred decisions about which actors went on what threads until the very last thing. Default was that they were round robin, run-to-completion. It took some measure of work to do so , but people ran ObjecTime code on bare metal. Pannini looks very nice.