||Oracle Tips by Burleson
Chapter 2 Grid, Utility
Computing and Clusters
The programming models and tools define and
invoke the collective layer functions. This layer is a key component
in the whole grid architecture and its functioning. This is the
layer that glues all the resources together in expedient exchange.
The top layer “User Applications”
comprises the user applications that operate within a VO (virtual
The components in each layer share common
characteristics but can build on new capabilities and behaviors
provided by the lower layer. What we get out of this model is the
flexibility with which Grid Architecture can be extended and
evolved. This is the precise reason why grid architecture is taking
shape and form based on the guidelines developed by the visionaries
and grid standard forums.
looking at vision and broad framework the Grid Architecture
provides, many of the IT vendors are steadily designing their own
strategy and services. Many IT leading vendors such as IBM, SUN,
Oracle, Dell and HP offer various and diversified solutions that
enable grid computing. In addition, there are many smaller
companies, which focus on an innovative and specific resource, or
issue and they are able to design many solutions.
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