Grid computing is an emerging field in India. As India has kick started its grid initiative named Garuda. This field is gaining importance. The prime institutes of India are connected through the grid. The partners comprises of reasearch and development insttitutes ,IITs etc. The Indigeneousily built PARAM Supercomputers are connected through this grid.
Grid Computing absorbed the idea from the electrical grid. In the electrical grid they make use of the generators efficiently. If one fails the resources of others is used and thus a total shutdown is avoided.This gave wings to the ideas of the computer people .They wanted to effectively utilise the untaped resources. Because after execution of the program the system will be idle. So this time can be utilised by another person to process his program.
There are clusters also in computer arena. These cluster are tightly coupled to act as a single computer.
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