The Pros And Cons Of Distributed Computing

9847 Words40 Pages
aCHAPTER 1: INTRODUCTION ________________________________________ 1.1 DISTRIBUTED COMPUTING Distributed computing is a field of computer science that studies distributed systems. A distributed system consists of multiple autonomous computers that communicate through a computer network. The computers interact with each other in order to achieve a common goal. A computer program that runs in a distributed system is called a distributed program, and distributed programming is the process of writing such programs. Distributed computing also refers to the use of distributed systems to solve computational problems. In distributed computing, a problem is divided into many tasks, each of which is solved by one or more computers. They communicate with each other by message passing. The main motivation for constructing distributed systems is to obtain large scale resource sharing at affordable cost. To obtain this goal, the interconnection between widely distributed heterogeneous resources has become a necessity for constructing distributed systems. Advances in networking technology and computational infrastructure make it possible to construct large-scale high performance distributed computing environments that provide dependable, consistent and pervasive access to high end computation. Grid computing has been widely seen as a step beyond…show more content…
What is Grid Computing? IBM says, “Grid computing allows you to unite pools of servers, storage systems, and networks into a single large system so you can deliver the power of multiple-systems resources to a single user point for a specific purpose. To a user, data file, or an application, the system appears to be a single enormous virtual computing system.” Figure 2.1 The Grid virtualizes heterogeneous and geographically disperse resources for each virtual organization presenting a simpler
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