[Pgi-wg] Definition of a Production Grid : Multi-institutional Infrastructure for e-Science

[Aleksandr Konstantinov]

On Tuesday 17 March 2009 18:39, Laurence Field wrote:
> Hi Etienne,
> 
> I think we have all agreed to drop the word "production" as it infers 
> something that is very subjective. What I hope that we are nowdoing is 
> identifying types of Grids.
> 
> My proposal is that one type of Grid has the IGTF as trust anchor. As 
> the I in IGTF standard for International this is also a key property.
> 
> You have highlighted two other types of Grids, 'Service Grids' and 
> 'Desktop Grids'.
> 
> So we have now identified 5 different types Campus Grid, NGIs, Service 
> Grids, Desktop Grids and Multi-institutional International 
> Infrastructures for e-Science. The fact that we are using different 

IMHO those are rather attributes/properties of Grid infrastructures.
Even Desktop Grid may be built on top of free cycles of Service Grid.

A.K.



> words to describe these suggests that they are subtly different 
> otherwise we could just use the word Grid.
> 
> Laurence
> 
> 
> 
> 
> Etienne URBAH wrote:
> > Laurence and all,
> >
> > Concerning the definition of a Production Grid :
> >
> > Lot of thanks to Laurence for proposing the first definition, and for 
> > proposing 'Multi-institutional International Infrastructures for 
> > e-Science'.
> >
> > Following David WALLOM, I think that 'International' is too 
> > restrictive.  The key point is that a Production Grid spans 
> > institutional boundaries, which presents a whole load of policy and 
> > legal issues.
> >
> >
> > So I propose 'Multi-institutional Infrastructure for e-Science'.
> >
> >
> > Today, there can be Production Grids which do NOT use IGTF as trust 
> > anchor.
> > But for interoperability, they will have to migrate and use IGTF as 
> > trust anchor.
> >
> >
> > Inside the EDGeS project, we think that 'Production Grids' encompass 
> > both 'Service Grids' and 'Desktop Grids'.
> >
> > Shortly :
> >
> > -  A Service Grid (SG) is a managed grid of managed computing 
> > clusters, offering a guaranteed QoS (Quality of Service).  Typically, 
> > institutions with their managed clusters can join to SGs if they sign 
> > a certain SLA (Service Level Agreement) with the leadership of the 
> > SG.  Since participants to a SG are most often institutions, an SG is 
> > often called an 'Institutional Computing Grid'.
> >    Examples of such service grid infrastructures are EGEE, NorduGrid, 
> > OSG, DEISA, TeraGrid.
> >
> > -  A Desktop Grid (DG) is a loose opportunistic grid using idle 
> > resources.  Inside desktop grids, computing and storage resources are 
> > typically owned by individual volunteer owners and not by institutes 
> > (therefore it is often called volunteer computing).
> >    Even if each single desktop computer provides a very low QoS, a 
> > desktop grid of reasonable size can, as a whole, provide a defined QoS 
> > and sign a SLA.
> >    Examples of such desktop grid systems are BOINC, XtremWeb, OurGrid, 
> > Xgrid.
> >
> >
> > You can find a full description with drawings in chapter 5 
> > 'Technological context of the EDGeS project' of EDGeS deliverable 
> > DNA3.1 at 
> > http://www.edges-grid.eu:8080/c/document_library/get_file?p_l_id=11065&folderId=27671&name=DLFE-1042.pdf 
> >
> >
> > If you can NOT access this document, please let me now, I would then 
> > upload it to Gridforge.
> >
> >
> > Best regards.
> _______________________________________________
> Pgi-wg mailing list
> Pgi-wg at ogf.org
> http://www.ogf.org/mailman/listinfo/pgi-wg
>