tinc for Satellite connections (benchmarking)

[Guus Sliepen]

On Fri, Jun 28, 2013 at 03:18:34PM +0200, Pau wrote:

> I'm using the following values for the layer3 tinc network:
> 
> Compression=11
> PMTU=1480
> Cipher=none
> ClampMSS=no
> ReplayWindow=32

I don't think setting Cipher=none will do much on high latency and/or low
bandwidth links. But it does shave a few bytes off each packet.  Why did you
disable ClampMSS? Normally this helps to reduce packet fragmentation.

> To test the difference between using tinc and using the raw connection I
> have made a little script [2] which uses "httping" to calculate the time
> needed to get a web site. I have taken the list of "most visited web
> sites" from alexa.com. I made two tests for each kind of connection:
[...]
> RAW: 2536 ms (average)
> TINC: 2815 ms (average)
> 
> In addition, the TINC network is able to reach more sites (41 VS 46)!!

Thanks for sharing the results of your tests! They are not very surprising for
me though :)

> - I want to know from the tinc experts what more options might I modify
> to optimize the connectivity

I don't think there is much you can do to improve it, except for running your
own optimizing proxies inside the VPN.

-- 
Met vriendelijke groet / with kind regards,
     Guus Sliepen <guus at tinc-vpn.org>
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