The architecture you describe is going to be extremely sensitive to all the usual asynchronous system problems--message omission, message duplication, and messa

The architecture you describe is going to be extremely sensitive to all the usual asynchronous system problems--message omission, message duplication, and message reordering (you could fix all of them with enough effort and potential slowdown, but probably don't). Having tried it, I'd categorize your system as a nightmare too :)