Greetings.
On Fri, Aug 30, 2002 at 08:26:19AM -0700, Freddy Jensen wrote:
> But now I just tried WinXP's remote desktop feature
> and discovered that it works great. It is much faster
> than VNC, and it doesn't have any of the occassional
> redraw problems that VNC has. Apparently it works
> just fine tunneling through a VPN connection.
I also get WinXp Pro recently and tried remote desktop.
It works really faster over 64Kbps connection.
> I think the reason for the performance difference is
> that the remote desktop service is built into Windows
> and has access to secret hooks that other applications
> (VNC) don't have access to. And then of course there is
> the fact that the remote desktop feature is able to
> disable the windows server on the physical screen (on
> the server machine) so double redraws are eliminated.
Remote desktop document says remote desktop server
redirect video and key (and may be sound) to
virtual drivers, and redirect to the network.
> I don't think any amount of improvement to VNC's
> compression methods can bring VNC up to the same
> performance level as WinXP's remote desktop service.
> Of course I am only talking about the case when both
> the server and the client are WinXP machines.
Problem reside on virtual drivers. WinDRV version work
much faster on windows.
http://services.simac.be/vnc/winvncdrv/
> I think the only way to improve the performance of
> the VNC server running on windows is to find a way
> to do what the remote desktop is doing, namely
> find a way to disable the screen server when a
> remote client connects. But I doubt that the
> necessary windows-hooks are exposed to applications.
Seems still hidden in depth of windows.
Another possibility is use RDP to VNC proxy server.
http://sourceforge.net/projects/libvncserver
I'm now trying this one.
--
Akira Hatakeyama E-Mail: [EMAIL PROTECTED]
http://www.sra.co.jp/people/akira/index.html
chigasaki-minami, tsuzuki ward, yokohama, japan
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