[Opensim-users] standalone vs. grid

[Lc]

Commonly used : A grid is more an architectural view :
 One centralised UGAIM where several regionsServer can logged and share
ressources.

Sacha

On Wed, Nov 26, 2008 at 3:49 PM, Paul Fishwick <fishwick at cise.ufl.edu>wrote:

> Thanks, there is some confusion in use of the word "grid" in the web pages.
> I have been gathering information to create a tutorial on getting
> started, which
> is why I am asking the questions.
>
> For example, see: http://opensimulator.org/wiki/Configuration
>
> Under "Standalone mode", there is the phrase "Grid Location". But this
> isn't a grid
> location because in Standalone mode one is not running a grid -- it is
> the location in
> something else: an Estate? Then, in the discussion of "multiple
> regions", there is
> discussion of "grid coordinates". All of this is confusing if one is not
> using a grid.
>
> Here is my understanding:
>
>  An Estate is a set of Regions
>  A Region is the same thing as a Sim (65,536 sq. meters)
>  A collection of Sims (or equivalently, Regions) is an (Estate) ?
>
> These are logical distinctions, whereas, the term "grid" seems to be
> an architectural or physical distinction (i.e., how logical concepts map
> to physically located server equipment).
>
> -p
>
>
>
>
> Lc wrote:
> > short answer :
> >
> >  standalone : all services and regions are one program that can handle
> > x regions (the files under Regions/*.xml) as long as your system
> > support it.
> > Grid : all the services could be spread on diferents computers
> > eventually, and the same or any other computer could run the region
> > server.
> >
> >
> >
> > On Wed, Nov 26, 2008 at 2:21 PM, Paul Fishwick <fishwick at cise.ufl.edu
> > <mailto:fishwick at cise.ufl.edu>> wrote:
> >
> >     Still trying to get my head around the exact differences between
> >     StandAlone vs. Grid. At one time, I thought the word "grid" meant
> >     the rectangular configuration of regions. Is this rectangular
> >     collection
> >     of regions called the "sim" instead ?  I can see that in grid
> >     mode, one
> >     could
> >     fire up each of the 5 main servers + the OpenSim process, each on
> >     a separate computer. One would just reset the .xml files to point to
> >     the correct IPs and database(s)?
> >
> >     However, could one partition the sim by computer? If so, what is
> >     the mapping of computers to sim in terms of where the database(s)
> >     are located and where the 6 processes are located (UGAIM +
> >     OpenSim)?
> >
> >     For example, if I were to recommend that at the university level,
> >     they should have a grid of, say, 16x16 regions, could this be divided
> >     into 4 4x4 sims, each having separate sets of computers? Thanks --
> >     I've looked online but have not seen this level of detail--I may be
> >     looking in the wrong place.
> >     -paul
> >
> >
> >     --
> >     Dr. Paul A. Fishwick           E-Mail: fishwick at cise.ufl.edu
> >     <mailto:fishwick at cise.ufl.edu>
> >     Dept. of Computer & Info       Phone & FAX: (352) 392-1414
> >      Science and Engineering       WWW:
> >     http://www.cise.ufl.edu/~fishwick<http://www.cise.ufl.edu/%7Efishwick>
> >     <http://www.cise.ufl.edu/%7Efishwick>
> >     University of Florida          (PGP Key available at above WWW
> >     address)
> >     P. O. Box 116120
> >     332 Bldg. CSE, Gainesville, FL 32611-6120
> >
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>
> --
> Dr. Paul A. Fishwick           E-Mail: fishwick at cise.ufl.edu
> Dept. of Computer & Info       Phone & FAX: (352) 392-1414
>  Science and Engineering       WWW: http://www.cise.ufl.edu/~fishwick<http://www.cise.ufl.edu/%7Efishwick>
> University of Florida          (PGP Key available at above WWW address)
> P. O. Box 116120
> 332 Bldg. CSE, Gainesville, FL 32611-6120
>
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