[Olsr-users] [Olsr-dev] Configuring TC redundancy parameter?

[Michel Blais]

Hi Chris,

For link that will often have lost or that we want to use as backup, we 
use LinkQualityMult to make the cost of the link higher.

Le 2013-05-07 19:44, chris - a écrit :
> Henning,
>
>     The second one is that the current MPR algorithm is a pure greedy
>     algorithm, which doesn't care about the former MPR set. This means
>     there are situations where it will constantly switch MPR settings
>     because of metric fluctuations. Which will result in 
>
>     a more instable flooding of control traffic.
>
>
> This actually explains a lot. A couple questions:
>
> (1) We were thinking it would be reasonable in our network to use only 
> signal level in path length calculations. Our main problem is that 
> fewer-hop paths are preferred, even if they use a weak, 
> geographically-separated link. This results in enormous losses for us. 
> Is this tunable or does it require a rewrite? I've notice that ETX has 
> become the default link-sensing metric.
>
> (2) Perhaps to stabilize the MPR selection, it would suffice to 
> calculate link quality over a longer period of time. As most of our 
> nodes aren't mobile and are always up, this would make sense. What do 
> you think?
>
> Thanks for your help!
>
> Chris Patton
>
>
>


-- 
Cordialement / Best regards

Michel Blais
Administrateur réseau / Network administrator
Targo Communications
www.targo.ca
514-448-0773

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