That's a good idea, and probably answers one of my questions. We use WideFS for our network transport, and it sounds like you use your own ethernet routines. Does your ethernet run under a real-time system, or are you using Windows timing functions?
Straight and level flying looks fine. It's takeoffs and turns that don't look smooth. There is subtle lurching on takeoff, as if it misses a frame then jumps ahead two. Turning is similar - the heading doesn't change as smooth as it should.
My suspects are either my scheduler (trying to make Windows XP act realtime is a mess) or the network transport (maybe WideFS is queing up two passes, or some such thing). I'm writing an app to do a takeoff with canned data, so it can run on the MSFS PC, which should eliminate network problems. Running flight siim data to flight sim would help eliminate the network. Then, I'll be stuck without ideas again...