Wikipedia lists the data bandwidth of PCI-e cards at ranges of 250MB/s to 16000MB/s (Keep in mind that is megaBYTES, not megaBITS...). The bandwidth of HDMI 1.3 is listed as having 10.2Gbit/s. I may be waaaay off-base here; perhaps someone with more knowledge on the subject can correct me. But, it seems you would need one fast internet connection to be able to utilize the full range of the hardware we are using over the "cloud."
I realize that the processing power is what will exist on the cloud. It would probably be only a preprocessed image that is transferred over the wire, as opposed to raw graphic data directly into the monitor. But the idea of doing 3D-modeling, gaming, intense graphic design, or artwork completely over an internet connection using nothing but the "cloud" is very implausible.
It kind of feels like doing a very complex, open-heart, surgery. Only the surgeon is looking at a TV-screen of a TV-screen, and is operating using chopsticks....from 20 yards away.
...AND the surgeon is "sharing" the chopsticks with every other surgeon.
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