[Spice-devel] [master PATCH 2/2] server: netstat: send random data not zeros

[Yaniv Kaul]

On 10/19/2011 01:42 PM, Frédéric Grelot wrote:
>> That seems like a good idea.
>> Note that if the first image is not compressed, we may have a similar
>> problem
>> with WAN accelerators. Also maybe it is better to always compress it.
>>
>> This random buffer was intended as a quick fix.
>> In the long run, we would like to measure network statistics
>> dynamically, e.g.
>> when sending large images (as you suggested for the first one).
>>
> That may be overkill, but you could also "scramble" it by xoring it with a randomly generated sequence (and send the seed to the client to allow him to reproduce the sequence). The only overhead would thus be the seed.
> By the way, that could be applied to any message, not necessarily the first image.
>
> Frederic.

Why should we do that? If we don't compress images well enough, and a 
WAN accelerator (or even if the channel is within SSL with compression 
enabled), let them reduce the bandwidth for us.
Y.