Fwd: OLPC Laptop - some suggestions for the software

Dan Williams dcbw at redhat.com
Wed Dec 20 19:20:41 EST 2006


On Thu, 2006-12-21 at 01:16 +0100, Andi wrote:
> Hi Michael, Hi Thomas, Hi List,
> 
> MBurns schrieb:
> >> OLSR or the follow up B.A.T.M.A.N. is quite good for that,
> >> and: there is as well the option to add auto-ip-signment to Batman.
> > 
> > Which I am sure is true, but irrelevant. As the hardware/software
> > debate that just happens shows, no general-purpose routing daemon,
> > superhero-named or otherwise, is appropriate or capable of running on
> > the specialized networking hardware the OLPC requires. Although
> > testing projects to see how BATMAN compares to the binary blob are
> > welcome. Competition is a good thing.
> 
> Yes, competition is a good thing.
> 
> Krishna Sankar (Cisco) says 802.11s is like a Ad-Hoc On-Demand 
> Distance-Vector (AODV) or Dynamic MANET On-Demand Routing (DYMO) net.
> http://mailman.laptop.org/pipermail/networking/2006-September/000029.html
> Here http://www.ee.ucla.edu/~cjw/ (Publications: “Performance Comparison 
> of AODV and OFLSR in Wireless Mesh Networks”) can you find a *pure* 
> *theoretical* comparison between the different approaches.
> The comparison is not really valid because B.A.T.M.A.N. is the successor 
> of OLSR and has many advantages. (much smaller, less CPU)
> 
> The BIG difference between them is that 802.11s has never extensive tested 
> in *real* *live*
> 
> So get B.A.T.M.A.N. https://www.open-mesh.net/ and check it for yourself.
> Almost no dependencies, make, run.
> Btw. the implementation on MAC-layer suitable to integrate in the 
> Mavell-Chip firmware is on the way. https://dev.open-mesh.net/batman
> 
> 
> >> A proper open-source version of that firmware would be very nice.
> 
> I read that Marcelo Tosatti is now working on a proper open-source version 
> of the Marvell firmware. Is that correct ?

Not really, no.  He's doing _driver_ work, not firmware.

Dan

> 
> cheers
>   Andi
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