[Cerowrt-devel] fiddling with wireless, batman-adv, etc

Dave Taht dave.taht at gmail.com
Mon May 13 20:57:28 EDT 2013

On Mon, May 13, 2013 at 5:47 PM, Richard Smith <richard at laptop.org> wrote:

> > I believe these results (which was from about that many machines and
> there
> > were some good data being presented and crunched) were using multiple
> > channels and diversity routing, which in the b.a.t.m.a.n world
> > is called "interface alternating"
> >
> > http://www.open-mesh.org/projects/batman-adv/wiki/Multi-link-optimize
> Ok.  I'll have to ask about it on the batman-adv list.
> > As I recall OLPC now has two radios?
> Yes.  We added a Marvell 8787 option to the XO-4.  The 8787 can do
> either 2.4Ghz or 5Ghz just not simultaneous.

Sorry man, I tend to view the dense mesh problem as unsolvable without
diversity routing and 2 or more channels available.

There's some upcoming work on power management that is seeking funding I
can send you a brief on, which will probably help the single channel case,

>  In theory you could use
> the 8787 card with an XO-1.75 but the mwifiex driver would need to be
> backported on to the 1.75 kernel or OLPC 1.75 specific patches ported
> to a newer kernel with mwifiex support.  Both involve a good bit of
> effort.
> --
> Richard A. Smith
> One Laptop per Child

Dave Täht

Fixing bufferbloat with cerowrt:
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