tosca-comment

Dear all,

I would like to submit some comments on the latest TOSCA v.2.0 specification. Please find them below:

• Section 3.6 introduces Policy Templates, which are not mentioned anywhere else in the document. Rather, the rest of the document refers to Policy Definitions as components of a Service Template. As far as I see, Templates in TOSCA are defined only for top level entities (Service, Node and Relationships), not for all other objects (i.e. capabilities, requirements, interfaces, etc. provide the corresponding definitions inside top-level object templates). Is this a typo?
• Section 4 (TOSCA Operational model), last paragraph, begins with the following sentence: "Note that it is not mandatory for compliant TOSCA implementations to four kinds of TOSCA abstractions defined in Section 2.4 support all three service lifecycle phases.". The meaning is almost clear, but I think that the sentence should be slightly rephrased. Further, reference to section 2.4 is probably wrong (maybe the correct one is 2.3)
• Section 13.1 (Declarative Workflows) is empty
• Section 13.2 (Imperative Workflows) is very detailed, but I wonder if you can add a couple of examples that help in clarifying how workflows are actually defined in TOSCA.

That's all for now. In case of further comments I will add them in a separate email.

Thank you

Roberto