[sugar] 65-node simple mesh test (and counting... ;-)

Ricardo Carrano carrano at laptop.org
Tue May 13 12:53:15 EDT 2008

On Tue, May 13, 2008 at 12:19 PM, Polychronis Ypodimatopoulos <ypod at mit.edu>

> John Watlington wrote:
> > One interesting note is that the suggested routing algorithm for
> >  802.11s is a combination of reactive and proactive routing (unlike our
> > current one, which is  solely reactive). Perhaps that provides the
> > adaptation necessary for the mesh to work ?
> >
> If you refer to the hybrid routing protocol, it constructs a spanning tree
> of the whole mesh network rooted at some node. This is meant to be used in
> non-homogenous meshes (eg having an MPP or access point that acts as the
> root). So it may help in a school environment, but not in a simple mesh
> environment where all nodes are equal (if you attempt to build a different
> tree rooted at every node, you will probably face the wrath of a proactive
> protocol running on a mobile network - god save us from such a day ;-)

Yes. That's the point. When you put XOs in a classroom and point them to a
school server you are concentrating the traffic to a single node. It makes
sense, imo, to make the school server the root of a tree. But only the
server. Switching to infra also makes sense if you are most interested in
the services provided by the school server or the internet.
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