[Olsr-users] Getting OLSRD to "switch" faster

Markus Kittenberger (spam-protected)
Fri Jul 23 20:24:27 CEST 2010


linkquality winsize is deprecated/unused since quite a while,.. changing it
will have no effect

further you must change tc intervals aswell (e.g. to ~ 3x hello interval),
and u must change this (and hello intervall) on all nodes, not only on your
robot,..

further change the dijkstra intervall/limits also,..

this (as long as you are willing to accept the amount of olsrd traffic this
will produce (if u use message intervalls > 1hz)) this should enable you to
switch in less than 5 hello intervalls

regards Markus

p.s. olsrd uses metric plugins, if u want another metric write another
metric-plugin (-;

On Fri, Jul 23, 2010 at 7:49 PM, Julie Workman <(spam-protected)>wrote:

> Hi.
>
> The odd thing is that when I have several nodes all in sight of each other,
> the bot switches quite nicely (~5 seconds) between the closest one at the
> time.  It is just when I round a corner (and completely lose communication
> with my current node) where I see the 2 minute switch over time.
>
omg *G please post your complete configfile,..  and oslr version,..

is there no point where the robot sees both nodes at a corner?

>
> I have messed around with the HelloInterval, the LinkQualityWinSize, and
> HelloValidityTime to where the switch over time is down to 30-45 seconds.
> Better, but still not nearly quick enough.
>
> I have several questions.  Can I tweak those parameters further to see
> better times?  How small can I make my HelloInterval?  Are there different
> parameters I should be changing?  Does OLSRD always work off of packet
> loss?  I need about a Mb of throughput for my application.  Are there ways
> to tweak OLSRD to use throughput instead?
>
>
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