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Comments for Document: Open Cloud Computing Interface - Use cases and requirements for a Cloud API
Author(s):T. Metsch
Public Comment End:30 Oct, 2009

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Posted by: donalfellows 2009-10-23 09:36:04Common Content Model
It's important that there be a common machine-readable content model for the responses to queries and actions. If content negotiation is in use (e.g., as in REST) it's entirely satisfactory for this common content model to be only one of many that may be delivered, but by having a common model available, it becomes much easier for an interoperable matrix of providers and clients to be created.

There's also the question of whether things like geographic regions or system characteristics are best represented through semantic technologies (e.g., RDF annotations). It's probably not good enough to just use ordinary short strings; the chance of collision of meanings when things are rolled out into production is just too high (unfortunately). For example, "p12345" could mean all sorts of things. I suggest that it's probably not a short- or medium-term requirement to support third-party tagging (because then you get into trouble with needing meta-tagging, and it's a real rat-hole for effort that other people have worked on). It's probably also worth examining whether existing OGF specifications (GLUE, JSDL, etc.) can be used to provide any of these concept-spaces or document formats.

Posted by: sjn5 2009-11-14 00:37:57Good paper
This is a well written paper that reads well and provides an important survey of how clouds could be used in various scenarios.

P32: The private cloud discussion (4.3) should IMHO not describe a particular implementation. These should be abstracted and an implementations of the scenarios (if they exits) should be referenced.
P36: There is a section reference that is broken.

This document cannot be published as an OGF document. It does not follow the OGF document layout. It does not have the IPR statement. Why is it here?

Posted by: tmet 2009-12-08 02:41:22
Thanks for your comments. Will work on them.

@sjn5: the IPR statement is actually in there...the only point where this document differs from the OGF template is about the TOC.

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