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What is Grid QoS

Chapter 8
Handbook of Research on Grid Technologies and Utility Computing: Concepts for Managing Large-Scale Applications
A set of quality requirements on the collective behavior of one or more services in Grid environment to prioritize different requirements.
Published in Chapter:
QoS in Grid Computing
Zhihui Du (Tsinghua University, China), Zhili Cheng (Tsinghua University, China), Xiaoying Wang (Tsinghua University, China), and Chuang Lin (Tsinghua University, China)
Copyright: © 2009 |Pages: 9
DOI: 10.4018/978-1-60566-184-1.ch008
Abstract
This chapter first summarizes popular terms of QoS related concepts and technologies in grid computing, including SLA, End-to-End QoS Provision and Virtualization. Then a three layered general grid QoS provision model based on MetaServices is proposed. Operating mechanisms are discussed in detail, and the model can maintain grid QoS by defining QoS requirements in different levels and solve the QoS problems hierarchically. A prototype named PMGrid is designed and implemented based on the QoS provision model. PMGrid is a grid system for astronomy data processing. The results show that the PMGrid can maintain the QoS requirements of astronomy data processing.
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