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

Alexander Papaspyrou alexander.papaspyrou at tu-dortmund.de
Tue Apr 21 04:18:38 CDT 2009

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.


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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