A VNF's Heat Orchestration Template's ``{vm-type}``
**MUST** contain only
alphanumeric characters and/or underscores '_' and **MUST NOT**
contain any of the following strings:
``_int`` or ``int_`` or ``_int_``.
A VNF's Heat Orchestration Template's ``{vm-type}``
**MUST** contain only
alphanumeric characters and/or underscores '_' and **MUST NOT**
contain any of the following strings:
``_int`` or ``int_`` or ``_int_``.