Dejan Bosanac

Looks good to me so far. Note that build fails atm for some checkstyles.

@bordeuax It's [TenantInformationService](https://github.com/eclipse/hono/blob/master/services/device-registry-base/src/main/java/org/eclipse/hono/deviceregistry/service/tenant/TenantInformationService.java) concept we added recently. If implemented, it is used to check if tenant exists before invoking any device registry operations. `TenantKey` used here can be also extended...

> * IMHO we need to extend [TenantKey.java](https://github.com/eclipse/hono/blob/master/services/device-registry-base/src/main/java/org/eclipse/hono/deviceregistry/service/tenant/TenantKey.java) and have the possibility to add some `value` or a lists of ``. Because for code `308` we need also to communicate...

I like it as well. I would propose to add one more field that would contain description of the error for the result if needed.

@kaniyan Great. So every HTTP service have a pluggable `AuthHandler` https://github.com/eclipse/hono/blob/master/service-base/src/main/java/org/eclipse/hono/service/http/HttpServiceBase.java#L62 If instantiated it will be used in all routes. The best way to start looking into how to plug...

Hi @erryB, just to follow up on Kai's comment and welcome you to the community. To me, the proposed two aspects of future collaboration sounds good and I'm looking forward...

@riccardomodanese sounds good to me. I was thinking originally to have it all in one branch as they are both related to the integration effort, but they don't have to...

By allowing REST endpoint to directly use backend we can open it for experimenting with new use cases and advanced queries. Once those use cases gain traction and prove to...

I could give it a try

@lumjjb Great ... Let's plan it for the community meeting ... I'll polish requirements from our side and do some investigative work until then