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<div class="moz-cite-prefix">Hi Chris,<br>
<br>
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.<br>
<br>
Le 2013-05-07 19:44, chris - a écrit :<br>
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<div>Henning, <br>
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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 </blockquote>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">a more
instable flooding of control traffic.</blockquote>
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<div>This actually explains a lot. A couple questions: <br>
<br>
(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. <br>
<br>
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<div>(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?<br>
<br>
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<div>Thanks for your help!</div>
<div><br>
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<div>Chris Patton <br>
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<pre class="moz-signature" cols="72">--
Cordialement / Best regards
Michel Blais
Administrateur réseau / Network administrator
Targo Communications
<a class="moz-txt-link-abbreviated" href="http://www.targo.ca">www.targo.ca</a>
514-448-0773
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