Spatio-Temporal Portals for Continuously Changing Network Nodes

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Author(s): Byunggu Yu (National University, USA)and Ruben Gamboa (University of Wyoming, USA)
Copyright: 2007
Pages: 6
Source title: Encyclopedia of Portal Technologies and Applications
Source Author(s)/Editor(s): Arthur Tatnall (Victoria University, Australia)
DOI: 10.4018/978-1-59140-989-2.ch156

Keywords: Computer Science & IT / Information Science Reference / Portal Technologies / Web Technologies

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Abstract

OGSA is a service-oriented architecture (SOA); that is, server nodes in the grid advertise the services they offer, client nodes use the grid to find servers that meet their specific requirements, but neither server nodes nor client nodes are closely tied to each other. When a client has a request, the grid infrastructure identifies a set of the servers that can fulfill the request: OGSA grid is based on platform-neutral technologies and, given a request, identifies appropriate servers directly by the interfaces (i.e., services) they offer.

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