[Battlemesh] Collaborate on TDMA development

Christian Huldt christian at solvare.se
Thu Feb 28 15:31:45 CET 2013


Should I understand the absence of answers to the mail below as there is
little interest and/or resources available?

Gui Iribarren skrev 2012-10-22 22:08:
> Hello people,
> in several chats with NicoEchaniz, we end up concluding it would be
> wonderful to have a libre TDMA implementation for mac80211, so that
> ath9k and other current drivers can partially overcome the awful
> performance issues of a shared medium.
> 
> AirOS does a wonderful job when handling several hidden stations, but
> it's unfortunately a propietary software solution. Flashing OpenWRT
> opens the box of possibilities in terms of software but severely
> impacts radio performance.
> 
> We think solving this would greatly benefit the wireless community
> networks worldwide, and several attempts / achievements have been made
> in the past. Sadly, the solutions are now outdated, or were absorbed
> by private companies at some point in the development cycle.
> A key problem in the past was the lack of a uniform stack like
> mac80211 provides, so the implementations were tied to one particular
> driver (madwifi for example) and had to be reinvented / ported when
> that driver was abandoned / deprecated.
> 
> So, what do you think about coding a TDMA solution for mac80211 stack?
> Are there any current projects that are already on this track, that we
> haven't come accross?
> If a team is formed, we could propose the idea for an NLNET /
> shuttleworth / etc grant.
> 
> Background / Past efforts linkdump:
> 
> projects: jazzymac, srawan, JaldiMAC, wildmac, fractel, 2P. LiT,
> WiLDnet,karlNet TurboCell, wiccp, frottle, nstreme, oswave
> 
> http://patraswireless.net/software.html
> http://wafreenet.org/Frottle
> http://www.netequalizer.com/Hidden_Node_White_Paper.php
> https://github.com/shaddi/jaldimac
> http://tier.cs.berkeley.edu/drupal/node/128 (wildnet)
> http://tier.cs.berkeley.edu/drupal/wireless
> 
> frottle ipkg (old)?
> http://www.ipkg.be/repositories/26
> 
> a possible design on frottle for meshes
> http://www.melbournewireless.org.au/wiki/?MWRPAdhocFrottleDev
> 
> tdma on freebsd by sam leffler
> 
> AirJaldi
> http://drupal.airjaldi.com/blog/
> http://drupal.airjaldi.com/
> 
> nice summary of experiences
> http://wiki.airjaldi.org/tiki-index.php
> 
> AirJaldi Bandwidth Maximizer (BwM)
> http://drupal.airjaldi.com/node/264
> http://drupal.airjaldi.com/node/265
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> http://ml.ninux.org/mailman/listinfo/battlemesh
> 


-- 
Christian Huldt
+46704612207



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