[Babel-users] New paper on Babel, BMX6 and OLSR: Evaluation of mesh routing protocols for wireless community networks

Dave Taht dave.taht at gmail.com
Tue Apr 19 18:32:56 UTC 2016


I finally got around to reading these papers. I liked the compression
techniques used by bmx6...

I can't help but want to also increase babel's update rate from 2sec
to .5sec as in bmx6 for comparison.

On Tue, Apr 12, 2016 at 12:46 PM, Baptiste Jonglez
<baptiste at bitsofnetworks.org> wrote:
> Hi all,
>
> There is a new paper comparing the relative performance of babeld, olsrd,
> and bmx6:
>
>     Neumann, Axel, Ester López, and Leandro Navarro. "Evaluation of mesh
>     routing protocols for wireless community networks." Computer Networks
>     93 (2015): 308-323.
>
> Compared to the 2013 paper, it's much more torough, and used a testbed
> while the 2013 paper was only based on emulation (this should make
> Matthieu happy!).
>
> The conclusion is the following:
>
>     Babel is the most lightweight protocol with the least memory, CPU, and
>     control-traffic requirements as long as it is used in networks with
>     stable links and low node densities.
>
>     However, if the protocol is used in large or dense wireless
>     deployments with frequent link changes due to dynamic interference or
>     nodes leaving or joining the network, then its reactive mechanisms to
>     encounter topology changes by sending additional routing updates and
>     route request messages turn into massive control-traffic and
>     processing overhead. In such scenarios, OLSR and BMX6, with their
>     strictly constant rate for sending topology and routing update
>     messages, outperform Babel in terms of overhead, stability, and even
>     self-healing capabilities.
>
>
> The paper is available here:
>
>     http://www.sciencedirect.com/science/article/pii/S1389128615002522 (paywalled)
>     http://www2.ic.uff.br/~celio/classes/cmovel/slides/community-mesh-2015.pdf
>     http://people.ac.upc.edu/leandro/pubs/eomrpfwcn.pdf (open-access preprint)
>     http://dsg.ac.upc.edu/eval-mesh-routing-wcn (more information, data, scripts)
>
>
> Baptiste
>
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-- 
Dave Täht
Let's go make home routers and wifi faster! With better software!
http://blog.cerowrt.org



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