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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
>
>   

  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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