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Grid Computing

Definition
Grid computing is the collection of mixed computing resources distributed geologically to reach a universal goal. Grid is composed of many networked loosely coupled systems acting together to perform large tasks.

Introduction

  • Grid computing is a computing model which involves quite a few computers to a single problem at the same time.
  • A Grid computer is the numerous numbers of same computers clustered together.
  • It allows flexible resource sharing among geologically distributed computing resources in numerous domains to solve a single task.
  • It is basically used for grid applications rich in graphics and multimedia.
  • Grid computing is a processor structural design that combines computer capital from various domains to reach a main objective.
  • In this computing model, the computers on the network can work on a task together, thus functioning as a supercomputer.

Block Diagram

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Data Grid

A data grid is an architecture or set of services that gives individual/group of users the ability to access, modify and transfer extremely large amount of geologically scattered data for research purposes.

  • It handles large distributed data sets used for data management and controlled user sharing.
  • It creates a virtual environment for dispersed and organized research.
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Features

  • Computers are spread but linked in the form of a network.
  • Less chances of breakdown of whole system.
  • This strategy helps to develop a virtual supercomputer system within an organization.
  • Data grid is another system is used where data is managed under various schema.
  • Can solve larger, more complex problems in a shorter time.
  • Easier to collaborate with other organizations.
  • Make better use of existing hardware.
  • Enable recovery and failure.
  • Ability to run large-scale applications comprising thousands of computes, for wide range of applications.
  • Reduces signal latency – the wait that builds up as data are transmitted over the Internet.

Real Time Examples

  • The main real-time application of the grid computing model is the Automatic Teller Machine (ATM) concept that’s being used by almost every bank to cash the customer against their corresponding ATM Cards.
  • GARUDA is India’s Grid Computing initiative which spans across 17 cities in the country. The IIT’s Centre for Development of Advanced Computing (C-DAC’s) and many other major institutes are the participant’s of this scheme which is pioneered for research purposes.