Gotta say, that doesn't sound like a hack, it sounds like a perfectly normal response to the imperfect nature of async processes and the internet itself. TCP tr

Gotta say, that doesn't sound like a hack, it sounds like a perfectly normal response to the imperfect nature of async processes and the internet itself. TCP traffic itself behaves in the same way. If a packet arrives out of order, you discard it and notify the other end that the packet was not delivered, allowing it to retry. This is just the same behavior. Web services at their finest.