Grid Computing

Topics: Grid computing, Parallel computing, Distributed computing Pages: 20 (5604 words) Published: February 18, 2013
Grid computing
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Grid computing is the federation of computer resources from multiple administrative domains to reach a common goal. The grid can be thought of as a distributed system with non-interactive workloads that involve a large number of files. What distinguishes grid computing from conventional high performance computing systems such as cluster computing is that grids tend to be more loosely coupled, heterogeneous, and geographically dispersed.[1] Although a single grid can be dedicated to a particular application, commonly a grid is used for a variety of purposes. Grids are often constructed with general-purpose grid middleware software libraries. Grid size varies a considerable amount. Grids are a form of distributed computing whereby a “super virtual computer” is composed of many networked loosely coupled computers acting together to perform large tasks. For certain applications, “distributed” or “grid” computing, can be seen as a special type of parallel computing that relies on complete computers (with onboard CPUs, storage, power supplies, network interfaces, etc.) connected to a network (private, public or the Internet) by a conventional network interface, such as Ethernet. This is in contrast to the traditional notion of a supercomputer, which has many processors connected by a local high-speed computer bus. Contents [hide]  * 1 Overview * 2 Comparison of grids and conventional supercomputers * 3 Design considerations and variations * 4 Market segmentation of the grid computing market * 4.1 The provider side * 4.2 The user side * 5 CPU scavenging * 6 History * 7 Fastest virtual supercomputers * 8 Projects and applications * 8.1 Definitions * 9 See also * 9.1 Related concepts * 9.2 Alliances and organizations * 9.3 Production grids * 9.4 International projects * 9.5 National projects * 9.6 Standards and APIs * 9.7 Software implementations and middleware * 9.8 Monitoring frameworks * 10 See also * 11 References * 11.1 Bibliography * 12 External links| [edit] Overview

A grid computer is multiple number of same class of computers clustered together. A grid computer is connected through a super fast network and share the devices like disk drives, mass storage, printers and RAM Grid Computing is a cost efficient solution with respect to Super Computing. Operating system has capability of parallelism Grid computing combines computers from multiple administrative domains to reach a common goal,[2] to solve a single task, and may then disappear just as quickly. One of the main strategies of grid computing is to use middleware to divide and apportion pieces of a program among several computers, sometimes up to many thousands. Grid computing involves computation in a distributed fashion, which may also involve the aggregation of large-scale cluster computing-based systems. The size of a grid may vary from small—confined to a network of computer workstations within a corporation, for...
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