[Olsr-dev] OLSRd 0.5.4 and 0.5.5 with ETT available

Henning Rogge (spam-protected)
Thu Nov 13 14:58:16 CET 2008

Am Thursday 13 November 2008 14:54:45 schrieb Daniel Nitzpon:
> Henning Rogge schrieb:
> > Yes, but assume your pair of packets... a short package and a long
> > one... now the short one will get sometimes a HIGHER delay, just because
> > it had a longer collision avoidance.
> >
> > How do you want to calculate the bandwith if the "jitter" of both
> > packages is much longer than the time difference because of the length
> > of the package ?
> that's what i referred to when writing about not having an easy
> solution, i'm afraid...
> do you have an idea on how to cope with the airtime usage factor in the
> layer2-approach?

The WLAN driver knows the bandwith it would use the next time for the link 
(based on signal strength and/or recent unicast transmissions), so we just 
have to find a way to ask without wasting lots of CPU.

In linux I would look at the nl80211 infrastructure, but we need an 
alternative for Windows/BSD.


Diplom Informatiker Henning Rogge
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