[guardian-dev] GilgaMesh (was Re: FireChat moved off iOS proprietary mesh to their own xp mesh protocol?)

Nathan of Guardian nathan at guardianproject.info
Fri Oct 3 13:24:20 EDT 2014



On Fri, Oct 3, 2014, at 01:15 PM, Hans-Christoph Steiner wrote:
> I think worth noting: the radio interference problems will apply just the
> same
> to data transfer via the bluetooth discovery mode, the WiFi SSID, or the
> data
> transfer packets of wifi and bluetooth. They are all the same radio waves
> in
> the same band radiating at the same power.  My guess is that the
> discovery
> mode broadcasts will actually be less wary of other radio activity since
> it is
> not meant to be a regular, constant activity.  With wifi at least, there
> 
> stuff in there to help prevent data transfer packets from being
> transmitted at
> the same time, coordinated by the Access Point.

Right. I am sure the discovery mode bit is very fragile from one
perspective, especially if you have a 30' radius space around you with a
hundred people in it. I think I can amend my description of the concept
to be "Twitter over Bluetooth with UDP reliability"... there is no
expectation you are getting all the messages. However, if there are
enough followers/lurkers who are retweeting useful info, then you will
get the most important messages.

+n


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