[OpenTRV-dev] Comms (concentrator/redistributor) configuration thoughts

[Damon Hart-Davis]

Hi Aideen,

All I’m saying is that not on would subscribers not contact the leafs directly, they would not contact the concentrator/redistributor either to avoid the security and resource issues that that would imply, and instead the redistributor should aim to relay the data to (say) open sensors.io and end users sub at opensensors.

So the concentrator/redistributor is neither what I understand to be a vanilla client or publisher. 

Rgds

Damon


> On 6 Jun 2015, at 17:42, Aideen McConville <aideen at amcc.myzen.co.uk> wrote:
> 
> Hi Damon,
> 
> My understanding is as follows: (and I might not be adding anything to what you've said already!)
> 
> Generic setup:
> The leaf nodes could be MQTT clients, publishing data to a central server/broker. Interested parties would subscribe to the broker to "hear about" data as it is received from relevant clients.
> Interested parties don't have any direct communication with leaf nodes and would need permission to access specific data from the broker (all included in the MQTT spec).
> 
> Leaf nodes would either talk MQTT directly or send JSON strings to Node Red or similar for onward transmission via MQTT (or other protocol) to a server/datastore.
> 
> I believe opensensors.io helps by making the arrangements for the above.
> 
> Aideen
> 
> 
> On 6 Jun 2015, at 11:02, Damon Hart-Davis <dhd at exnet.com> wrote:
> 
>> Hi,
>> 
>> Aideen: I’ve added a note here:
>> 
>> http://www.earth.org.uk/note-on-IoT-comms-backhaul.html#Opensensors
>> 
>> Is my ‘generic MQTT proxy’ comment on the right lines do yo think?  If not, what would be the right thing to do?
>> 
>> Rgds
>> 
>> Damon
>> 
>>> On 6 Jun 2015, at 10:57, Damon Hart-Davis <dhd at exnet.com> wrote:
>>> 
>>> Hi,
>>> 
>>> opensensors.io is MQTT in, and I have a very simple test feed into it from elsewhere.
>>> 
>>> At the moment they don’t have a secure route to feed data in.  When they do I’ll try to support it pronto!
>>> 
>>> Rgds
>>> 
>>> Damon
>>> 
>>> 
>>>> On 6 Jun 2015, at 10:54, Aideen McConville <aideen at amcc.myzen.co.uk> wrote:
>>>> 
>>>> No mention of MQTT?
>>>> 
>>>> Aideen
>>>> 
>>>> 
>>>> On 6 Jun 2015, at 10:24, Damon Hart-Davis <dhd at exnet.com> wrote:
>>>> 
>>>>> http://www.earth.org.uk/note-on-IoT-comms-backhaul.html#config
>>>>> 
>>>>> Interested in any input from the dev list.
>>>>> 
>>>>> Ideally someone has already done all this work, eg as one of the Apache projects, and we might merely need to write a shim/adaptor to achieve our aims.
>>>>> 
>>>>> Or maybe I’m thinking about this all wrong!
>>>>> 
>>>>> Rgds
>>>>> 
>>>>> Damon
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