Today, islands of computing within organizations make inefficient use of resources. Systems are slow to change and expensive to maintain. Grid computing addresses these problems by providing an adaptive software infrastructure that makes efficient use of low-cost servers and modular storage,which balances workloads more effectively and provides capacity on demand.By scaling out with small servers in small increments, you get performance and reliability at low-cost. New unified management allows you to manage everything cheaply and simply in the grid.
What is new about grid computing? Grid computing removes the fixed connections between applications, servers,databases, machines, storage – every component of the grid. By treating everything in the grid as a virtualized service, intelligent systems can optimize resource utilization and responsiveness. Grid computing is based on five fundamental attributes: virtualization, dynamic provisioning, resource pooling, self-adaptive systems, and unified management.What is Oracle doing with grid computing?Oracle 10g allows companies to begin evolving their IT toward a grid computing model. For storage, databases, application servers, and applications,Oracle’s new technology meets the requirements of grid computing. Together,Oracle Database 10g, Oracle Application Server 10g, and Oracle Enterprise Manager 10g provide the first complete grid infrastructure software. This paper introduces and defines grid computing for businesses and describes how Oracle 10g products implement a grid infrastructure. Enterprise IT is under continuous pressure to do more with less. Change is constant, and companies need to adapt quickly to stay competitive. Meanwhile,requirements for availability and performance increase, while budgets tighten.To deal with the unpredictability and immediacy of computing needs,companies typically size servers for peak loads and staff IT organizations to handle ad hoc requests.A new model of computing is emerging to address these problems. The vision of the grid computing model is shared throughout the industry, although some industry leaders have coined new terms for it, for example: Computing on Demand, Adaptive Computing, N1, Utility Computing, Hosted Computing,Organic Computing, and Ubiquitous Computing. In recognition of the significant new capabilities required to power grid computing, Oracle has named its new technology products Oracle 10g. This is the first major name change since Oracle added internet capabilities to Oracle8i. Vision of Grid Computing The central idea of grid computing is that computing should be as reliable,pervasive, and transparent as a utility. It shouldn’t matter where your data or application resides, or what computer processes your request. You should be able to request information or computation and have it delivered – as much as you want, whenever you want. This is analogous to the way electric utilitieswork in that you don’t know where the generator is or how the electric grid is wired.
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