In an on-demand business, the computing environment is integrated to allow
systems to be seamlessly linked across the enterprise and across its entire
range of customers, partners, and suppliers. It uses open standards so that
different systems can work together and link with devices and applications
across organizational and geographic boundaries. It is virtualized to hide
the physical resources from the application level and make the best use of
technology resources thereby minimizing complexity for users.
A good example of a virtualized model is a grid computing model. In this
article, we describe the design of a grid based on IBM mainframes. The system
under consideration is an experimental grid built using the IBM Grid Toolbox
version 3 (IGT), which is a commercial ... (more)