[Pgi-wg] Definition of a Production Grid

[Laurence Field]

Hi Arnie,

Size is definitely misleading concept. There are about 4 computers in 
the top 500 list that have more cores that available in EGEE. 

Laurence


Arnie Miles wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> I've never heard of the number of services being part of a definition of
> production. One service can be production, provided it meets the quality
> of service demands of the enterprise.
>
> Perhaps the reason size matters in grid is because no single item on the
> grid can be depended upon, but after a certain size there are enough
> examples of each item that the grid itself can boast "production
> quality". Hence, a user's workstation "on the grid" may not be of
> production quality, but 100,000 such workstations can produce
> "production quality" level of service.
>
> Arnie
>
>
>
> David Wallom wrote:
>   
>> I have to firmly disagree. Production should refer to the quality and number
>> of services that are available rather than its specific size. The scaling of
>> an infrastructure has nothing at the moment to do with whether its resources
>> are interoperable. Your separation of large is a completely arbitrary one. A
>> production grid should be able to display policies and procedures for the
>> management services and SLDs for the services that it provides users.
>>
>> Are you suggesting for example that a single national grid is not a
>> production service? I can assure you for example that GLOW and other
>> components of OSG as well as the UK NGS etc get an awful lot of work done
>> with many many publications in high value refereed journals etc. as a direct
>> result. Maybe we could use publication impact of the work done as a measure
>> instead, it would be as arbitrary as 'real work'?
>>
>> David
>>
>> On 17/03/2009 14:50, "Moreno Marzolla" <moreno.marzolla at pd.infn.it> wrote:
>>
>>     
>>> David Wallom wrote:
>>>       
>>>> Hi Lawrence,
>>>>         
>>> [...]
>>>       
>>>> Can I suggest that we just set performance, policy and procedure targets and
>>>> go from there. I.e. You grid will have legally compliant accounting for
>>>> utilisation by a number of users that are identified using a strong
>>>> authentication and authorisation mechanism, across a set of physically
>>>> separate resources that may or may not be legally owned by more than one
>>>> legal entity. The services that these offer can be many and varied but all
>>>> should operate to a defined quality of service definition.
>>>>         
>>> Hi all,
>>>
>>> I think that this definition is a bit generic, in the sense that it
>>> surely defines a "Grid", but I don't see how it addresses the term
>>> "Production" (which I agree is a term a bit elusive to quantify/qualify
>>> appropriately).
>>> In my mind I always associated "production" grids to those large-scale
>>> infrastructures (how much large?) that are used to get "real job" done
>>> (what does "real job" mean?). This is what I thought was the line
>>> dividing "production" grids from "non-production" ones.
>>>
>>> Moreno.
>>>       
>> _______________________________________________
>> Pgi-wg mailing list
>> Pgi-wg at ogf.org
>> http://www.ogf.org/mailman/listinfo/pgi-wg
>>     
>
> - --
> Arnie Miles
> Grid Middleware Architect
> Adjunct Assistant Professor of Computer Science
> Georgetown University
> 3300 Whitehaven Street NW
> Washington, DC  20007
> 202.687.9379
> http://thebes.arc.georgetown.edu
>
> "Great spirits have always encountered violent opposition from mediocre
> minds"  Albert Einstein
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v1.4.7 (Darwin)
> Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org
>
> iD8DBQFJv74TlHilDOPbHk0RApbCAKDSPPkZLNWG8exYiNKbNjYuMjiMxwCeItXU
> RLHQPO+9khkkgb4h/Gkqmfk=
> =TK9H
> -----END PGP SIGNATURE-----
>   
> _______________________________________________
> Pgi-wg mailing list
> Pgi-wg at ogf.org
> http://www.ogf.org/mailman/listinfo/pgi-wg
>