From: Anthony Liguori <anthony@codemonkey.ws>
To: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Sensible VNC encodings
Date: Wed, 21 May 2008 08:06:05 -0500 [thread overview]
Message-ID: <48341E3D.70102@codemonkey.ws> (raw)
In-Reply-To: <alpine.DEB.1.00.0805210908440.30431@racer>
Johannes Schindelin wrote:
> Hi,
>
> On Tue, 20 May 2008, Anthony Liguori wrote:
>
> Clearly, you have never waited one minute for a full screen update from a
> machine half around the planet.
>
> That is what happens here with hextile + an compressed SSH tunnel, just in
> case you thought this was pure speculation.
>
> It is pretty obvious why, too: generic compression, such as SSH's, will
> never outperform specialized compression, such as tight compression.
>
Tight uses zlib compression in combination with a palette mechanism.
Hextile is a palette mechanism so adding zlib compression to it (via
ssh) makes it pretty comparable to Tight.
Regards,
Anthony Liguori
> Ciao,
> Dscho
>
>
next prev parent reply other threads:[~2008-05-21 13:25 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-21 1:20 [Qemu-devel] Sensible VNC encodings Johannes Schindelin
2008-05-21 2:09 ` Anthony Liguori
2008-05-21 8:12 ` Johannes Schindelin
2008-05-21 13:06 ` Anthony Liguori [this message]
2008-05-21 13:14 ` Johannes Schindelin
2008-05-21 13:36 ` Anthony Liguori
2008-05-21 13:45 ` Jamie Lokier
2008-05-21 13:51 ` Anthony Liguori
2008-05-21 5:55 ` Alexander Graf
2008-05-21 8:08 ` Johannes Schindelin
2008-05-21 13:02 ` Daniel P. Berrange
2008-05-21 13:10 ` Johannes Schindelin
2008-05-21 13:47 ` Anthony Liguori
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