-> 1) reduce the amount of data to be transferred: smaller screen, less
-> bits/pixel, less frequent updates
Excatly what do you mean for "less frequent updates"? It is possible to set with
VNC?
No, it is a function of what you run on the PC. If it only draws an image every minute (for example), then the bandwidth is whatever is required to transmit that image once a minute. If however you run something with a very dynamic display (such as animated images), then there is much more display data to be transmitted in a given time - you either need more bandwidth to transmit it, or some of the data simply cannot be transmitted in the time available and the remote ends does not see all the updates.
When working over a slow link in an interactive mode, then you naturally adjust the amount of updates for the simple reason that after performing an action, you have to wait until the screen catches up before you can proceed. Eg, if you pop up a menu, you have to wait for it to get drawn on your screen before you can select something from it. However, in your application this is not going to happen.
What you CAN do is (for example), simplify PowerPoint presentations - remove animated slide actions and unnecessary background adornments (such as patterned backgrounds) that require more bandwidth to transmit. Ie, reduce the amount of image data on the screen, and the frequency with which it is changed.
Simon
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Simon Hobson MA MIEE, Technology Specialist Colony Gift Corporation Limited Lindal in Furness, Ulverston, Cumbria, LA12 0LD Tel 01229 461100, Fax 01229 461101
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