Open Stack

> > 4. Invert control and have the nova compute service itself call into a
> >    ceilo-provided API that abstracts the conduit used for publication
> >    (could be via the message bus, or UDP, or a direct call to a CW API)
> >
> >    - a loaded nova compute service may fall behind in this periodic
> >      task, especially if the reporting cadence is configured high
> 
> This downside is a problem for all options actually.

So this mean #4 has no specific problem itself :)