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At least all the technical deficiencies that we couldn’t work around because we had to respect the X11 protocol semantic and follow the way X11 applications throw the X11 protocol at us. On the other hand, as a system designed to transport applications built on top of X11, NX 3 shares with X11 most of its limits and most of its technical deficiencies. NX 3 is simply unbeatable at running such X11 applications. You can’t compare NX 3 to NX 4 in this respect.
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Or do you mean lagging compared to NX 3? If it is lagging compared to NX 3 when running lightweight X applications like a terminal or an IDE, then I’d say that it’s rather normal. Lagging compared to what? Lagging compared to some other remote desktop system? Because if you can show me a remote desktop system that is faster and less laggy than NX 4 I’ll be glad to spend some time learning how they did it.
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