Hummmmm,
Thanks @QuagmireMan for this reply… it exactly matches with what I expect, so I’m going to focus on this right now.
@smhgit : You’re probably right… If you want to install your own server, there are many posts on this subject, as far I remember, I started from the following thread (Setup your own openhab-cloud (myopenhab) server/instance - #22 by Joe_Lawrence) and read many posts.
Let’s play !