tinc for Satellite connections (benchmarking)

[Pau]

On 28/06/13 23:48, Guus Sliepen wrote:
> 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.
I disabled ClampMSS because I'm already forcing the MSS size.

>> 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.
Ok, thanks!

>
>
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-- 
./p4u

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