Well, there are a couple of "tricks" which are applied by video codecs and remote control and screen-sharing utilities. ![]() Less strong compression in turn will require more network bandwidth which might become an issue on low-bandwidth connections like the internet.Usually such strong compression is unsuitable for real-time applications like remote control. For example encoding a 90 minutes movie in H.264 in high quality often takes more than 4 hours compression time on my Athlon X2 4450e server. Strong compression needs a lot of CPU power. ![]() If you use VNC then your host computer has to take screen snapshots and compress them before sending them on to the network. In video streaming you typically transfer a pre-compressed video stream via the network. VNC is not comparable to video streaming.
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