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Re: [hono-dev] Let's get started

Hi Kai,

I looked a bit at the initial code yesterday. I think it’d be good to discuss some basic ideas while we’re still in early stage.

As far as I can see, ConnectorClient is the main abstraction that represent the entry point to our system (both southbound and northbound). It’s an API against which folks should write services and adapters. This looks good so far, we can refine it as we go and see what’s missing.

The one question I have is how did you envision to have multiple implementations of this API and people deploying the one they are interested in? Should we have some kind of discovery mechanism?
Also, I don’t see any support for protocols adapters yet. I assume they would run like a separate services, listening for messages and calling the api to send them further up the stack. Is that right?

One more idea we can consider is to provide a protocol API based on AMQP 1.0, where we don’t specify library API, but the message formats that are exchanged with the system. This would give us some additional benefits, like easy support for different languages, security, etc.

Some good resources on this topic

It’s great to have finally started moving things forward on this. I’m looking forward to hear your thoughts on the topics above.


On Tue, Feb 23, 2016 at 10:25 AM, Henryk Konsek <hekonsek@xxxxxxxxx> wrote:
Hi Kai,

My #1 item now when I'm back from holidays is to dig into your initial contribution. :) I think that you can create GitHub issues from your points - I like those and we should work on them.

As soon as I dig into Hono codebase more, I will be happy to pick some of those.


pon., 22.02.2016 o 11:36 użytkownik Hudalla Kai (INST/ESY1) <Kai.Hudalla@xxxxxxxxxxxx> napisał:
Hi committers,

now that everybody has come back from vacations I think we should get started with doing some actual work on Hone, shouldn't we?

I would like to do a little brainstorming session in order to assemble a list of things we want to address first. We could then create issues in the GitHub repo for them, something like an informal backlog. I have already added an issue there and labeled it as "appropriate for new contributors" in order to point out that it would be suitable for people who do not have much experience with Hono's code base yet.

Here are some things I would like to address:

- implement an AMQP 1.0 interface for exchanging messages with clients
- add a REST interface for provisioning device identities and tenant information
- add support for Kafka as underlying messaging infrastructure
- provide a (simple) MQTT protocol adapter

What are your suggestions?

Mit freundlichen Grüßen/ Best regards
Kai Hudalla

Bosch Software Innovations GmbH
Schöneberger Ufer 89
10785 Berlin
Registered office: Berlin, Register court: Amtsgericht Charlottenburg, HRB 148411 B
Executives: Dr.-Ing. Rainer Kallenbach; Michael Hahn

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