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      A CyberGIS Framework for the Synthesis of Cyberinfrastructure, GIS, and Spatial Analysis

      Annals of the Association of American Geographers

      Informa UK Limited

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          Visualization of an Oxygen-deficient Bottom Water Circulation in Osaka Bay, Japan

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            Distributed computing in practice: the Condor experience

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              The Anatomy of the Grid - Enabling Scalable Virtual Organizations

              "Grid" computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high-performance orientation. In this article, we define this new field. First, we review the "Grid problem," which we define as flexible, secure, coordinated resource sharing among dynamic collections of individuals, institutions, and resources-what we refer to as virtual organizations. In such settings, we encounter unique authentication, authorization, resource access, resource discovery, and other challenges. It is this class of problem that is addressed by Grid technologies. Next, we present an extensible and open Grid architecture, in which protocols, services, application programming interfaces, and software development kits are categorized according to their roles in enabling resource sharing. We describe requirements that we believe any such mechanisms must satisfy, and we discuss the central role played by the intergrid protocols that enable interoperability among different Grid systems. Finally, we discuss how Grid technologies relate to other contemporary technologies, including enterprise integration, application service provider, storage service provider, and peer-to-peer computing. We maintain that Grid concepts and technologies complement and have much to contribute to these other approaches.
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                Author and article information

                Journal
                Annals of the Association of American Geographers
                Annals of the Association of American Geographers
                Informa UK Limited
                0004-5608
                1467-8306
                June 25 2010
                June 25 2010
                : 100
                : 3
                : 535-557
                Article
                10.1080/00045601003791243
                © 2010

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