[occi-wg] Nouns and Verbs (was: Syntax of OCCI API) - state model
Alexander Papaspyrou
alexander.papaspyrou at tu-dortmund.de
Tue Apr 21 04:33:14 CDT 2009
Thanks Ignacio,
I had to catch up last week's discussion, and dropped in before
reading the whole thread ;) Sorry for that...
And yes, with that scope, I totally agree on the current notion.
-Alexander
Am 21.04.2009 um 11:28 schrieb Ignacio Martin Llorente:
> Alexander,
>
> We are defining an API for end users of cloud infrastructures, and
> not an API for the dynamic management of VMs in clusters/data
> centers. I think that the scope is clearly defined in the charter.
>
> Thanks
> --
> Ignacio M. Llorente, Full Professor (Catedratico): http://dsa-research.org/doku.php?id=people:llorente
> DSA Research Group: web http://dsa-research.org and blog http://blog.dsa-research.org
> Globus GridWay Metascheduler: http://www.GridWay.org
> OpenNebula Virtual Infrastructure Engine: http://www.OpenNebula.org
>
>
>
>
>
>
>
>
>
>
> On 21/04/2009, at 11:16, Alexander Papaspyrou wrote:
>
>> This is a "view" question. From the viewpoint of a scheduler,
>> "migrating" is important; the user certainly does not need (want?)
>> to see this. Are we really clear about the target audience of the
>> API?
>>
>> -Alexander
>>
>> Am 17.04.2009 um 14:49 schrieb Chris Webb:
>>
>>> Thijs Metsch <Thijs.Metsch at Sun.COM> writes:
>>>
>>>> Installed --> Starting --> Running --> Stopping --> Stopped
>>>> \---> Suspended --> Starting -->
>>>> Running
>>>> \---> Migrated
>>>> \---> Copied
>>>>
>>>> Hope this nice piece of ASCII arts survives :-)
>>>
>>> It did! Could you clarify how 'migrated' and 'copied' differ from
>>> 'running'?
>>> (Migration of VMs within a cloud for load-balancing is something
>>> that should
>>> surely be completely user-transparent. Is this intended for some
>>> other
>>> purpose?)
>>>
>>> Also, I don't follow what your 'installed' and 'starting' states
>>> are for.
>>> Surely our virtual machine is either running or not: we can't
>>> distinguish
>>> from outside whether a guest OS has fully started or not, even if
>>> we believe
>>> such a distinction is well-defined.
>>>
>>> Cheers,
>>>
>>> Chris.
>>>
>>> _______________________________________________
>>> occi-wg mailing list
>>> occi-wg at ogf.org
>>> http://www.ogf.org/mailman/listinfo/occi-wg
>>
>> --
>> Alexander Papaspyrou
>> alexander.papaspyrou at tu-dortmund.de
>>
>> <Alexander Papaspyrou.vcf>
>>
>> _______________________________________________
>> occi-wg mailing list
>> occi-wg at ogf.org
>> http://www.ogf.org/mailman/listinfo/occi-wg
>
--
Alexander Papaspyrou
alexander.papaspyrou at tu-dortmund.de
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