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Chen, Bihuan; Peng, Xin; Yu, Yijun and Zhao, Wenyun
(2011).
DOI: https://doi.org/10.1145/1963192.1963205
URL: http://www.www2011india.com/
Abstract
Running in a highly uncertain and changing environment, Web systems cannot always provide full set of services with optimal quality, especially when the workload is high or failures in sub-systems occur frequently. It is thus desirable to continuously maintain a high satisfaction level of the system value proposition, hereafter survivability assurance, while relaxing/sacrificing certain quality/functional requirements that are not crucial to the survival of the Web systems. In this paper, we propose a requirements-driven self-tuning method for survivability assurance of Web systems. Using a value-based feedback controller plus a requirements-oriented reasoner, our method makes both quality and functional requirements tradeoffs decisions at runtime.
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- Item ORO ID
- 33839
- Item Type
- Conference or Workshop Item
- Project Funding Details
-
Funded Project Name Project ID Funding Body Not Set Not Set National Natural Science Foundation of China under Grant No. 90818009 - Keywords
- survivability; self-tuning; value; requirements; reasoning
- Academic Unit or School
-
Faculty of Science, Technology, Engineering and Mathematics (STEM) > Computing and Communications
Faculty of Science, Technology, Engineering and Mathematics (STEM) - Research Group
- Centre for Research in Computing (CRC)
- Copyright Holders
- © 2011 The Author/Owner(s)
- Related URLs
- Depositing User
- Danielle Lilly