[Olsr-dev] OLSRd V2 - ethernet-Links / measure speed

Teco Boot (spam-protected)
Wed May 28 17:23:30 CEST 2014

I miss the last reply from Bastian.

The (Thales) link cost plugin just did what Bastian suggested. It sends packet trains and estimate rate based on received arrival interval. It uses short and long packets, the diff would provide rate. Works well, but is far to slow to converge in a more dynamic network.

Whatever we do, we should be able to set a per interface default, a per neighbor override and/or a dynamic measurement. 


Op 28 mei 2014, om 13:00 heeft Henning Rogge <(spam-protected)> het volgende geschreven:

> On Wed, May 28, 2014 at 12:58 PM, Bastian Bittorf
> <(spam-protected)> wrote:
>> * Henning Rogge <(spam-protected)> [28.05.2014 12:44]:
>>> I don't think measuring every point-2-point connection (every few
>>> seconds) on every non-wifi connection is a good idea.
>> i agree. but it should be ok, to do this at least once.
>> a typical ethernet-connection is stable over lifetime/olsrd2-uptime.
> Yes, maybe.
>>> The eth_listener plugin might be a hack that we have to remove again,
>>> but just spamming measurements is not really that much better.
>> the value i can tweak there seems to be 'interval',
>> acording to 'olsrd2 --schema=eth_listener'
> Yes. The interval should depend on the type of interface... a local
> ethernet link doesn't need to be probed that often as an internet
> connection or maybe even a special wireless bridge.
>> you spoke if a way to inject speed-values via link_layer,
>> but an additinal plugin must be statically compiled in,
>> can you give some more hints?
> In the OpenWRT makefile of Olsrd2 you find a line that sets the cmake
> variable OONF_CUSTOM_STATIC_PLUGINS, it contains the list of plugins
> you want.
> I would suggest adding "link_config" and "layer2_viewer" to the
> list... and maybe removing "eth_listener".
> Henning Rogge
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