[Babel-users] Babel TTL

Moritz Warning moritzwarning at web.de
Tue Apr 7 23:10:59 BST 2020


On 4/8/20 12:03 AM, Juliusz Chroboczek wrote:
>> what is the maximum hop distance that babel supports by default?
>
> The metric overflows at 2^16 - 1.
>
> A single wired hop is 96 by default.  A single wireless hop with no packet
> loss is 256.  A wireless hop with packet loss can have a much larger metric.
>
>> I have ran Babel on big (virtual) networks and get some funny results.
>
> Please let us know more details.
>
> -- Juliusz
>

My simulation runs up to 1000 nodes in one single line and sees some packet drops. With (2^16 - 1) / 96 ~= 683 as the maximum reach of hops might offer some explanation. But I have to pull the logs from the server again.



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