[glue-wg] New draft of GLUE 2.0 Specification

[Gerson Galang]

Hi Sergio,

Thanks for integrating our requirements into the new GLUE 2.0 spec. What you
have in the draft will work for us now.

The only thing I want to comment on is the ComputingShare's relationship
with the ComputingResource and ComputingService entities. If a
ComputingShare is an abstraction of a queue and the ComputingElement is an
abstraction of the Batch System, then there should be a direct association
between the ComputingShare and the ComputingElement. Having the
ComputingShare linked to the ComputingService will introduce a number of
replicated instances of the same ComputingShare on all the ComputingServices
which is not really necessary. Attached is the diagram again to refresh your
memory on what I think it should look like. Anyway, just my 2 cents..

Cheers,
Gerson


On 6/27/07, Sergio Andreozzi < sergio.andreozzi at cnaf.infn.it> wrote:
>
> Hi everybody,
>
> we have just uploaded a new draft of the GLUE 2.0 specification.
>
> Here are the main changes:
>
> - clarify difference between computing resource and computing element
> - from Gerson Galang use case: single computing service in front of two
> different batch systems
> - general clean-up
> - inclusion of first UML Class diagram for Storage Element (description
> to be added)
> - added activity entity
> - promoted share entity as a main concept
>
> you can find it in the draft section of GLUE WG document repository:
> http://forge.ogf.org/sf/docman/do/listDocuments/projects.glue-wg/docman.root.drafts
>
>
> we plan to provide a preview of the new changes in the tomorrow call of
> the OGSA Resource Management Design Team phonecall:
> http://www.google.com/calendar/event?eid=N25vaWg5MjQ4NTRzOWJpdTU0c3VwMWZzcmMgb2dzYS53Z0Bt&ctz=America/Chicago
>
>
> (we apologize for the short-term advise)
>
>
> We will set up a phonecall next week for the GLUE WG. Comments/questions
> are always welcome.
>
> Best regards,
>
> Sergio and Balazs
>
> --
> Sergio Andreozzi
> INFN-CNAF,                    Tel: +39 051 609 2860
> Viale Berti Pichat, 6/2       Fax: +39 051 609 2746
> 40126 Bologna (Italy)         Web: http://www.cnaf.infn.it/~andreozzi
> <http://www.cnaf.infn.it/%7Eandreozzi>
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