[Olsr-users] [Babel-users] [B.A.T.M.A.N.] A peer-reviewed assessment of OLSR, BATMAN and Babel

[Henning Rogge]

Am Sonntag 08 November 2009 02:08:48 schrieb Juliusz Chroboczek:
> > I would have liked to see a comparison with OLSR.org default settings
> > (ETX metric) instead of hopcount metric.
> 
> Agreed.
> 
> Note however that this doesn't entirely explain why OLSR collapsed in
> their tests.  If you look at table I, you'll notice that in the case of
> node Babel did choose the shortest hop-count route, and Babel and OLSR
> exhibited similar levels of route flapping; in other words, in this
> particular test ETX and shortest-hop coincide.  However, Figure 2
> indicates that OLSR's throughput was half that of Babel, and in
> Figure 3, OLSR's packet delivery ratio was just 75%.
Good question. Maybe they activated an agressive MPR setting and hit a known 
bug in the dijkstra algorithm that can create problems with MPR settings (the 
bug is fixed in the development tree and the current 0.5.6 displays an error 
message with the not-working settings).

Henning
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