Hi Philippe et al.,

I have spent some time looking over the document that you linked below. I agree with Andy that congratulations are in order. In this paper, you have identified and proposed workable solutions for several areas in which the OCCI Platform model as currently published was just a starting point, and have gone further by implementing and making available tools through the OCCIware project.

From an OGF and community point of view, the natural question would seem to be whether some of these concepts can be formalized through a revision or new derivative document to replace the existing one (https://www.ogf.org/documents/GFD.227.pdf) that can serve as a basis for further enhancing the OCCI specification set. There could be other documents in he set that need updating or revision based on practical experience. 

A related question would be whether meetings of the OCCI-WG, virtual or real, would be useful to explore your work and these concepts in more detail, as well as other practical results from the OCCIware project and other implementations.

I note in passing that all of the current OCCi v1.2 documents are still in a proposed recommendation (P-REC) state, and that to advance from this to the full recommendation (REC) state,  what is needed is agreement from within the working group that this is desired, plus at least two implementations for each specification and passage of an amount of time that is now smaller than the age of these documents. It would be a service to the community to clean up any current problems within this generation of specifications and get them to advance to the stage of full RECs. (Note that this does not preclude a future version that goes beyond the current state.)

Alan

On Feb 1, 2018, at 7:16 AM, Andy Edmonds <edmo@zhaw.ch> wrote:

Congrats!

Andy Edmonds Æ
Senior Researcher, ICCLab
Institute of Information Technology
Zürich University of Applied Sciences

On 1 February 2018 at 14:04, Philippe Merle <philippe.merle@inria.fr> wrote:
Hi,

We are pleased to announce that our recent paper "Model-Driven
Configuration Management of Cloud Applications with OCCI" was accepted
at the 8th International Conference on Cloud Computing and Services
Science (CLOSER'18).

Title: Model-Driven Configuration Management of Cloud Applications with OCCI

Abstract: To tackle the cloud-provider lock-in, the Open Grid Forum
(OGF) is developing the Open Cloud Computing Interface (OCCI), a
standardized interface for managing any kind of cloud resources. Besides
the OCCI Core model, which defines the basic modeling elements for cloud
resources, the OGF also defines extensions that reflect the requirements
of different cloud service levels, such as IaaS and PaaS. However, so
far the OCCI PaaS extension is very coarse grained and lacks of
supporting use cases and implementations. Especially, it does not define
how the components of the application itself can be managed. In this
paper, we present a model-driven framework that extends the OCCI PaaS
extension and is able to use different configuration management tools to
manage the whole lifecycle of cloud applications. We demonstrate the
feasibility of the approach by presenting four different use cases and
prototypical implementations for three different configuration
management tools.

The camera-ready version is available at
https://hal.inria.fr/hal-01678945/document.

For more information, have a look at https://hal.inria.fr/hal-01678945.

Best regards
Philippe Merle

--
Philippe Merle
Inria researcher
http://chercheurs.lille.inria.fr/~pmerle/

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