I found that by moving to Windows viewer VNC 4.0b4, performance is
greatly improved over 3.3.7.  Movign to UNIX Xvnc 4.0b4 only enhances
the performance improvements.

     - Jeff

On Wed, 2004-01-07 at 14:33, Tim Wood wrote:
> VNC is great technology I've used over 3 years, so I was very surprised to discover 
> that dropping in Xvnc 3.3.7 to replace 3.3.3 resulted in a major increase in latency 
> to move windows (in outline mode).  My client is Win2000 using the 3.3.7 viewer.  
> Whereas the 3.3.3 server lets me drag windows with near-local speed following the 
> mouse, 3.3.7 refreshes the outline about 5 times slower.  My Xvnc command line 
> (started via dtlogin) is:
> /usr/local/bin/Xvnc :1 -rfbauth /home/timwood/.vnc/passwd -alwaysshared -cc 3 -depth 
> 8 -geometry 1280x1024 -auth /var/dt/A:1-8QaOFT
> 
> The only change is the Xvnc version and I get the performance hit.  Fiddling the 
> client connection options resulted in no change or slower still (CopyRect on).
> 
> Also, I notice that the Windows VNC service sets my local desktop background to blue 
> (I'm aware of the option) and does not restore it when the client disconnects or 
> when the service is stopped.
> 
> Ideas, clues welcome...
> Thanks,
> TW
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