To local pids. Remote, no guarantee is made. Ergo, generally better to assume no guarantees. Same as with everything else; you have at most once, or at least on

To local pids. Remote, no guarantee is made. Ergo, generally better to assume no guarantees. Same as with everything else; you have at most once, or at least once; there is no exactly once (except in marketing speak that uses an identifier to allow at least once to dedupe within a window).