[Olsr-dev] LinkQualityMult support for olsrd development branch

[Henning Rogge]

Am Donnerstag 24 April 2008 09:45:39 schrieb David Murray:
> Quoting Henning Rogge <(spam-protected)>:
> So because the new hello's have a higher weight, when they are lost,
> does increase the cost more than in olsr5.5
The system should react faster to ETX changes.

> One more question, it might seem strange but it's something I have
> never understood, In 802.11 all frames are acknowledged at layer 2 and
> retransmitted to ensure a reliable layer 2. How does OLSR count lost
> frames when, in theory, 802.11 should be retransmitting them? Does it
> look at the sequence numbers of the hello's?
OLSR use broadcasts. 802.11 only use ACKs for unicast.

> I tested out the new metric this morning on 6 nodes with dual radios
> and it is working fine for me. Like Mitar pointed out, it does take
> slightly longer to install routes with the new metric but that is not
> an issue for me. I guess it is a consequence of the new smoothed moving
> average.
You might want to set the new "LinkQualityAging" parameter to an higher value. 
This would increase the speed of ETX changes.

Henning

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