in short - there is no short and complete answer and it depends on who
you are talking to - academic vs commercial cluster/grid providers.
w/ respect to physical machines and locations i define as follows:
-------------------------------------------------------------------
cluster computing - short physical interconnections
federated clusters - number of clusters connected within one
enterprise physical location
constellations - number of machines interconnected where there are
more processors in one box than there are
machines interconnected
grid - wide area distributed computing - typically outside the
single physical location, but can include harnessing
staff desktops across an enterprise
note that it is possible to run grid computing infrastructure software
on any physical configuration. thus you could do "grid" computing
between the two desktop boxes in your office.
the definition is not too strictly defined - except by the globus camp
that says if its not globus its not the grid. :^)
stephen
VINOD wrote:
>
> Hi All,
> First of all sorry if i am talking something offf the topic of intrests.
> Can some body tell me the difference between Grid computing and a beowulf
>Cluster..
> are both the same?
>
> regards,
> Vinod.
--
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Oak Ridge National Laboratory fax: 865-574-0680
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