[dns-operations] sibling glue

[Stephane Bortzmeyer]

On Tue, Jun 23, 2015 at 02:18:59PM -0300,
 Joe Abley <jabley at hopcount.ca> wrote 
 a message of 119 lines which said:

> The EPP data model includes host objects and domain objects. Every
> domain is linked to one or more host objects (two or more in
> practice, for policy reasons orthogonal to the data model).

But having host objects is not mandatory and some registries (like
.FR) do not use them at all, even when they use EPP.