Aaron:
The way the Linux server is very different. With X, all applications
connect to an X "server" that keeps track of open windows and manages
graphics. The Linux VNC server is its own X server, and therefore always
gets graphics updates as they happen. In contrast, the Windows VNC server
is entirely separated from the graphics pipeline and instead must poll the
screen and check for differences from the last time it polled. This can't
be done constantly and when it does requires CPU time. It isn't just that
the local graphics aren't being displayed; the graphics are just being
intercepted very differently. One way to do what you are asking for would
be to write your own video driver. My understanding is that Windows 2000
allows for multiple video drivers to exist at once yet obtain the same
screen information, however I might be wrong on that count. Regardless,
this wouldn't work well for Windows 9x where you would need to have a
pass-through video driver that was installed _instead_ of your existing one.
Sincerely,
Jay Freeman (saurik)
[EMAIL PROTECTED]
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Aaron Magill
Sent: Monday, March 05, 2001 12:44 AM
To: [EMAIL PROTECTED]
Subject: WinVNCServer Thought
Some of the uses of VNC are for headless or remote maintenance of
servers. Since I don't know anything about the internals of the VNC
server, this may be a stupid question, but would it be more responsive
if there was some way to "detach" the local video while someone was
connected via the VNC client?
On our local LAN, I have noticed that the VNC connection to the Linux
box is significantly more responsive than the Windows servers, both with
the Mac client and the Windows client. In terms of benchmarks, both our
Windows IIS server and our Linux apache server respond about the same,
though I can get formal specs on the servers if needed.
--
Aaron S. Magill
Internet Technologies Strategist
One-to-One Service.com
877-MAIL-121 x521
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