jpeg or 8-bit faster

[Bendotti, Gerard]

This may sound too obvious, but sharing the line with other traffic, such as
Outlook slows it down, I have found it quicker to have mail on the remote
machine and not on  the one dialling in, OTOH internet access is still
better locally, I suspect due to the complex graphics. and the caching of
files and so on.

Gerard Bendotti


> -----Original Message-----
> From:	David Brodbeck [SMTP:DavidB "at" mail.interclean.com]
> Sent:	Friday, October 26, 2001 9:43 PM
> To:	'vnc-list "at" uk.research.att.com'
> Subject:	RE: jpeg or 8-bit faster
> 
> The answer is "it depends".  You really need to test settings and see what
> works best in your situation.  For example, over a modem link, "Tight"
> compression is much faster than "Hextile".  But over Ethernet it's
> noticably
> slower -- the extra compression overhead causes more of a delay than just
> sending the extra data.   Forced 8-bit is a similar situation -- over a
> modem it can help, over Ethernet the conversion causes more of a delay
> than
> just sending 16- or 24-bit pixels would. It can also depend on how
> powerful
> the host system is, since any form of compression will increase the CPU
> load.  The best thing to do is to open some applications and play with the
> settings.  Try scrolling around in a window, and minimizing and restoring
> one.  Pay particular attention to whatever you think you'll be doing a lot
> over the connection.  You should be able to get an idea of what's most
> usable in your situation.
> 
> The color of the background shouldn't matter.  The important thing for
> speed
> is that it be a solid color, since that compresses much more efficiently
> than an image.
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