I really appreciate for your answers, Dr. Reiners.
This is exactly what I want to know.
Jung
On Tue, Dec 16, 2008 at 11:40 AM, Dirk Reiners <dirk.rein...@gmail.com>wrote:
>
> Hi Jung Lee,
>
> Jung Lee wrote:
> > I appreciate very much for your perfect answers, Mr. Neumann and Dr.
> > Reiners. I am really impressed!
> >
> > Dr. Reiners, you mentioned about pros and cons to both input
> > distribution used by VRJ and OpenSG's scenegraph synchronization for
> inputs.
> > Could you please explain more about the pros and cons to them? I thought
> > about them, but it was a little difficult for me to find out them.
> >
> Sure.
>
> Input Distribution:
>
> + Minimal network usage
> + Works with pretty much unchanged application
> - Application needs to be deterministic and dependent only on input,
> otherwise needs manual code changes for synchronization
> - All nodes need to be able to run full application, which can get
> expensive for larger applications
> - If external resources (likes files are databases) are accessed, they
> will be accessed by each cluster node separately
>
> Scenegraph Distribution a la OpenSG:
>
> + Only one application logic running: only one machine needs to strong
> enough to run it
> + Can use dumb/small/cheaper rendering slaves, all application code on
> master
> - More network bandwidth: need to transfer all scenegraph changes
>
> Hope it helps
>
> Dirk
>
>
>
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