What is Grid Computing? Explain the standards and architecture of grid computing.

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GRID ARCHITECTURE AND STANDARDS

The Grid's design is sometimes defined in terms of "layers," each of which performs a distinct purpose. In general, upper levels are more concerned with the user (user-centric), and lower levels are more concerned with computers and networks (hardware-centric).

The network layer, which ensures connection for the Grid's resources, lies at the absolute bottom of everything. On top of it is the resource layer, which is made up of the real Grid resources, such as computers, storage systems, electronic data catalogs, and even sensors such as telescopes or other equipment that may be directly linked to the network. The middleware layer offers the tools that allow different elements (servers, storage, networks, etc.) to participate in a unified Grid environment. The middleware layer may be thought of as the intelligence that connects the different pieces - the Grid's "brain"! The application layer is the structure's topmost layer, and it contains all of the user applications (science, engineering, business, and finance), portals, and development toolkits that support the apps. This is the layer that grid users will "see."



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