[occi-wg] Nouns and Verbs (was: Syntax of OCCI API) - state model

[Alexander Papaspyrou]

http://www.ogf.org/documents/GFD.108.pdf is the published  
recommendation on OGSA-BES. See page 7 for details on state extension.

-Alexander

Am 21.04.2009 um 11:25 schrieb Edmonds, AndrewX:

> Nice! Have you any pointers to material on this work, Alexander?
>
> Andy
>
> -----Original Message-----
> From: occi-wg-bounces at ogf.org [mailto:occi-wg-bounces at ogf.org] On  
> Behalf Of Alexander Papaspyrou
> Sent: 21 April 2009 10:19
> To: Lars Larsson
> Cc: occi-wg at ogf.org
> Subject: Re: [occi-wg] Nouns and Verbs (was: Syntax of OCCI API) -  
> state model
>
> In this case, we might look at what OGSA-BES and HPC-BP did: a state  
> model that is fixed in terms of toplevel states and the transitions,  
> but extensible in terms of sub-states without allowing additional  
> (non- toplevel compatible) transistions.
>
> -Alexander
>
> Am 17.04.2009 um 15:14 schrieb Lars Larsson:
>
>> On Fri, 17 Apr 2009, Ignacio Martin Llorente wrote:
>>
>>> We do not need "migrated", that is an internal operation that can  
>>> not
>>> be requested using a Cloud API
>>
>> I fully agree with Ignacio.
>>
>> I think there is a difference between the set of states that a VM can
>> be in, and the set of states that may be set using the API. The first
>> set may be larger and include informational states such as "being
>> migrated" or "being copied", but that does not mean that the user can
>> actively request that a VM should be migrated.
>>
>> I suggest that we use the states shown at page 25 in "CIM System
>> Virtualization White Paper" by the DMTF (DSP2013), available
>> here:
>>
>>      http://www.dmtf.org/standards/published_documents/DSP2013_1.0.0.pdf
>>
>> Displaying extra information, such as "being migrated" or "being
>> copied" is up to the infrastructure provider to optionally add to the
>> description of the state that is reported via monitoring.
>>
>> Best regards,
>>
>> -- Lars
>> _______________________________________________
>> 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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-- 
Alexander Papaspyrou
alexander.papaspyrou at tu-dortmund.de

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