[Commotion-dev] OLSRd plugin for service discovery

Paul Gardner-Stephen paul at servalproject.org
Tue Feb 12 00:00:40 UTC 2013


Hello,

This whole idea of locality of information, and value being related to
proximity to some area is something that we very much agree with.

I think that there are a variety of complementary ways that it can be
supported by the network.  This TTL concept is a great one. In Serval
Rhizome, we also have implemented a geobounding box, as well as just
allowing the natural localised diffusion of bundles to allow
localisation of information.

Paul.

On Tue, Feb 12, 2013 at 8:45 AM, Christian Huldt <christian at solvare.se> wrote:
> Well, the main point is that some local information is more interesting
> in the local neighbourhood.
>
> My first (in some kind of ordering, probably chronological) idea was an
> old museum with thick stone walls (namely the Swedish national museum
> with paintings and sculptures), and one access point per room with a
> small webserver - advertised by avahi with att TTL of zero hops - with
> information of the pieces in that particular room.
>
> And then - out of annoyance with the seemingly weak community spirit
> around here - I was thinking of a mesh along some street with lots of
> tourists payed for by local shop owners hosting their own access point
> with some presentation/hours/offers advertised by some rather low TTL
>
> I think there are quite a few areas where local information has a
> certain quality, that's why I tried to propose a "radius of interest"
> parameter to rss version <something> back in the day... (because I would
> love to zoom into Paris before going there and see local shows,
> happenings, whatever the week before I go there (went to Amsterdam in
> the 80's just to find that I missed a Burning Spear concert by one day
> just because I didn't see the poster in time)
>
>
> Seamus Tuohy skrev 2013-02-11 20:24:
>> I can't speak for Dan, but i think that exhibitions and museums are
>> exactly the kind of use cases that would interesting to see for mesh
>> service advertisement with TTL. Could you expand on your use-cases. I
>> would be interested in what you have in mind.
>>
>>
>> s2e
>>
>>
>> On 02/10/2013 02:20 PM, Christian Huldt wrote:
>>> Dan Staples skrev 2013-02-10 06:37:
>>>> I just finished an initial version of a plugin for OLSRd that propagates
>>>> mDNS/DNS-SD advertisements based on a service's TTL value.
>>>
>>> I can see a use-case for this at exhibitions and museums which probably
>>> is a bit out of line for the original purpose of this project, but could
>>> perhaps give some more users and hence testing?
>>>
>>>
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>>>
>>
>
>
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