Re: [Qemu-devel] Sensible VNC encodings

[Anthony Liguori]

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
>
>