[Babel-users] Fwd: Why we switched to Babel

Mitar mmitar at gmail.com
Sat Aug 8 21:50:10 UTC 2015


Hi!

On Sat, Aug 8, 2015 at 10:47 AM, Juliusz Chroboczek
<jch at pps.univ-paris-diderot.fr> wrote:
>  1. BATMAN adds 32 octets of overhead to every frame;
>  2. BATMAN requires the same MTU on all segments.

Are you sure about 2.? To my understanding, Batman simply fragments
packets in that case? So it still works, but a bit slower. But that
slow down is mostly visible only on higher-latency links. If you have
tunnels, you might not see much issues because of the fragmentation.
And for mesh (ad-hoc) connections you can still increase MTU on WiFi
interfaces. Only on AP WiFi interface you would keep 1500 MTU. No?


Mitar

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