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Re: [paho-dev] [iot-wg] Future Requirements and Releases of Paho 
Ian

thanks for your comments.

On 08/28/2014 02:34 PM, Ian Skerrett wrote:

Ian,

Thank you for starting this discussion. I think the timing is good.

Some suggestions/questions about future Paho requirements:
- I am assuming the MQTT specification will evolve over the next couple of
years. Would it make sense to start an incubator to try out some new ideas
for the spec? Developers could contribute code that implements these ideas
and this would help the MQTT TC in the evolution of the spec.

Interesting idea.  By incubator, do you mean a separate project?

- Is MQTT-SN implemented in Paho? If not is this a potential future
requirement.
A low-level MQTT-SN C already exists (https://www.eclipse.org/paho/clients/c/embedded-sn/). Future developments include higher level C++ MQTT-SN client libraries, in the same style as the MQTT embedded C libraries. I am just about to contribute some Java MQTT-SN code that was written in IBM Zurich at the time MQTT-SN was developed. (MQTT-SN on the server side is implemented in RSMB which currently resides in the Mosquitto project). 


- I'd like to see a focus on creating tools to test/debug/deploy MQTT apps.
Tools like MQTTLens I think will be critical to the adoption of MQTT. Could
Paho be the home to these types of tools.
Yes it could - I would like to see that. I think I have been wary of stepping into the remit of other IoT projects. We do have some simple MQTT exerciser apps. Then there is the interoperability test package which contains tests for clients and servers (to be improved) and a proxy to sit in between a client and server to display the packets being sent and received. Any ideas for helpful tools welcome - I have been using MQTT for so long now, it can be difficult to work out what would help newcomers. 


For the MARS release train, I think Paho would be a natural fit. Having
stable, mature code that is updated on a regular basis is what our community
will need for long term use. I also hope that we have other IoT project
participate in Mars, so we can start thinking about an IoT package. This
certainly should be a topic for future IoT WG meetings.
I was thinking if at some point there was no new release, perhaps not even a service release as it was so stable, would it go into a release train? Actually, we're not anywhere near that point, so I'm probably worrying unnecessarily. 
I hope this helps.
Ian


Very helpful.




-----Original Message-----
From: iot-wg-bounces@xxxxxxxxxxx [mailto:iot-wg-bounces@xxxxxxxxxxx] On
Behalf Of Ian Craggs
Sent: August-28-14 5:57 AM
To: IoT Working Group mailing list; General development discussions for paho
project
Subject: [iot-wg] Future Requirements and Releases of Paho

Hello all,

I'm wondering what the future of Paho should look like.  From two points of
view: functionality and participation in the wider Eclipse community.

The reason is that barring a few relatively minor enhancements (automatic
reconnect, publishing when not connected, persistence), I don't see that the
existing client libraries (Java, Javascript, C,
Python) need a lot of new work, and could stabilize within the near future.

There may be new components - client libraries in different languages, or a
different style of library for a different purpose (like the embedded C/C++
APIs I'm working on at the moment).

So the first question:  are there Paho features, additional to the current
libraries, or new components, that would be useful to the Eclipse IoT
community?

The second question is about participation in Mars and future simultaneous
releases.  If the Paho components were stable but still useful, how would
Paho participate in a simultaneous release?

--
Ian Craggs
icraggs@xxxxxxxxxx                 IBM United Kingdom
Committer on Paho, Mosquitto

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--
Ian Craggs
icraggs@xxxxxxxxxx                 IBM United Kingdom
Committer on Paho, Mosquitto

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