Overview On Grid Computing


by Jeremy Calvey - Date: 2010-08-16 - Word Count: 422 Share This!

Grid systems work on the rule of combine resources. For an example, you and some friends decided to go on a camping trip. You have a big tent, so that you have offer to do something to share it with others. One of your friend offers to bring food and another says he will lead the group in his MUV. Once on the trip, the three of you share your knowledge and skills to make travel fun and comfortable. If you had made the trip on your own, you will need more time to gather the resources you need and you would probably have had to work much harder on the trip itself.

A grid computing system run on the same idea: the distribution of the load across multiple computers to complete tasks more efficiently and faster. Before moving ahead, let us take a quick look at the resources of a computer.

Central processing unit, usually we called this term as CPU in short form. In CPU microprocessor is an important part that carries out multiple operations and directs data to various memory units. Computers which are used as servers can have the multiple microprocessor for their specific operations. While CPU is the master of computer and microprocessor its heart, the ALU which is stands for arithmetic logic unit is a processing area where mathematical and logic operations done. The processor controller passes operation codes and operates to the ALU, which runs the requested operations on the provided data and gives back the results.

Normally, the memory of a computer is a type of temporary storage unit. Memory keeps the related data at hand for the microprocessor. Without memory, the microprocessor would have to find and retrieve data from a more stable storage device such as a disk drive. And for storage, grid computing mention to stable data storage such as hard disk or databases.

Usually, a computer can only run within the limits of its own resources. There is an upper limit to the speed it may perform an operation or the amount of information it can store. Most computers are upgraded, which means it is possible to add more power or capacity for a single computer, but it is still a gradual increase in performance.

Grid systems between IT resources and in a manner that allows the use of a computer to someone to access and leverage the power of collecting all the computers in the system. For the individual user, it is as if the user's machine has changed into a super-computer.

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