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What is Fluctuation

Chapter 21
Handbook of Research on P2P and Grid Systems for Service-Oriented Computing: Models, Methodologies and Applications
Variation in the capacity to provide resources for grid applications as time passes;
Published in Chapter:
Self-Adjustment for Service Provisioning in Grids
Daniel M. Batista (University of Campinas, Brazil) and Nelson L.S. da Fonseca (University of Campinas, Brazil)
Copyright: © 2010 |Pages: 24
DOI: 10.4018/978-1-61520-686-5.ch021
Abstract
The fluctuation in resource availability, as well as the uncertainties in relation to requirements for applications, call for the implementation of grids that self-adjust resource allocations to avoid degradation in the quality of service provided for those applications. Various proposals have been made for grid systems that will react to changes in resource availability, which are the key for the creation of service-oriented grids. The purpose of this chapter is to present the main characteristics which are necessary for these systems to provide quality of service. Twelve grid systems are described, highlighting their differences and presenting their strong and weak points for the construction of service-oriented grids. The chapter also presents open research questions.
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