> So the question kind of brings us back to what Xgrid is, and what it
> provides, vs. a more traditional cluster. Xgrid really is more of a
> grid technology than a cluster technology, so the question is then
> "what's the difference between a cluster and a grid?" which is a huge
> discussion in and of itself.
Also SUN is calling their cluster software "Grid Engine". Must there be a
difference at all? Maybe "Grid" is just a more common name nowadays than
"Beowulf" (for marketing reasons) and in the end it's describing the same
technics (from the point of hardware).
From the software view, you can have a Beowulf without any queuingsystem
at all (in the Beowulf book you mentioned I can't find any special
software for this purpose). Just use PVM or MPI (or Linda) and you are
the only user on the whole cluster. Any Grid maybe the software-way, to
distribute the resources of a Beowulf to users and jobs.
You know it: just my $.02 - Cheers - Reuti
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