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Model-based system reconfiguration for dynamic performance management
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DOI：10.1016/j.jss.2006.07.039.png)
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摘要
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Recently, growing attention focused on run-time management Of Quality of Service (QoS) of complex software systems. In this context, system reconfiguration is considered a useful technique to manage QoS. Several reconfiguration approaches to performance management exist that help systems to maintain performance requirements at run time. However, many of them use prefixed strategies that are in general coded in the application or in the reconfiguration framework. In this work we propose a framework to manage performance of software systems at run time based on monitoring and model-based performance evaluation. The approach makes use of software architectures as abstractions of the managed system to avoid unnecessary details that can heavily affect the model evaluation in terms of complexity and resolution time. (c) 2006 Elsevier Inc. All rights reserved.
Keyword:
performance analysis
dynamic reconfiguration
performance model reconfiguration
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