[Freedombox-discuss] Serval Mesh Extenders
paul at servalproject.org
Sun Jul 14 13:18:53 UTC 2013
(also appologies to all for delays in responding, I was somewhat ironically
left incommunicado by a 24 hour blackout over the weekend).
On Fri, Jul 12, 2013 at 7:30 PM, macbroadcast <marc at let.de> wrote:
> Am 11.07.2013 23:45, schrieb Paul Gardner-Stephen:
> Hi All,
> The idea is that it uses the UHF packet radio to mesh over greater
> distances than is possible with Wi-Fi, the trade-off being lower bandwidth.
> In general, we find that the UHF packet radio has a range of about 10x
> that of Wi-Fi when deployed indoors with omni-directional antennae. This
> means it has a range of about a block in a suburban or urban setting
> compared with Wi-Fi's range of about one house or apartment.
> Awsome progress Paul , i am following your progress for some time, what
> you think about this " bug/ feature"
> However, some mesh proponents say Google is unnecessarily hampering their
> efforts because it does not support the device-to-device mode of Wi-Fi
> chips in its Android software (a complaint registered with Google as “Android
> bug #82 <https://code.google.com/p/android/issues/detail?id=82>”). That
> means before a device can become an active part of a mesh network, a user
> must bypass Android’s security controls, or “root” the device, by
> installing special software. Unrooted devices can use connectivity provided
> by a mesh network, but they can’t help expand its coverage.
I am not quite sure exactly what you are asking here. If it is "what do I
think about the lack of action on bug82?" then my answer is disappointment,
and that with the Mesh Extender concept we have engineered our way around
> Is it possible to run it in a virualized enviroment ? i see debian and
> openwrt directorys in there.
Well, I run it on debian VMs on my laptop, so yes.
> *Rhizome and MeshMS is very interesting too ;)
We think so, too. As a store-and-forward protocol, Rhizome avoids a lot of
the traditional problems that mesh networks face, in particular
exponentially increasing probability of packet loss over multiple hops.
Rhizome turns out to be at times annoyingly reliable in its delivery,
delivering data at the first opportunity sometimes months after it was
sent, in the event of networks that have been partitioned for that long.
> Good luck
> Les enfants terribles / Marc Manthey
> 50823 Köln, germany
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