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

[Alexander Papaspyrou]

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.
>
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> occi-wg at ogf.org
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-- 
Alexander Papaspyrou
alexander.papaspyrou at tu-dortmund.de

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