A Process Architecture and Runtime Environment for Dependable Distributed Applications
Whisnant, Keith Allen
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Permalink
https://hdl.handle.net/2142/80844
Description
Title
A Process Architecture and Runtime Environment for Dependable Distributed Applications
Author(s)
Whisnant, Keith Allen
Issue Date
2003
Doctoral Committee Chair(s)
Iyer, Ravi
Department of Study
Electrical Engineering
Discipline
Electrical Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Computer Science
Language
eng
Abstract
"This thesis introduces the theory behind (1) the construction of ARMOR processes and (2) the behavior of ARMOR processes during runtime. Reconfigurability properties of the ARMOR architecture are examined, including the ability to establish criteria that must be satisfied for a proposed reconfiguration to be considered ""safe"" with respect to the current ARMOR's configuration. Next, this thesis describes the SIFT environment constructed from ARMOR processes, including an in-depth case study in which the SIFT environment is used to protect spaceborne, scientific applications for the Jet Propulsion Laboratory (JPL). Error injection experiments validate the SIFT environment's ability to recover not only from user application errors, but also ARMOR errors as well. Finally, five other case studies illustrate how the ARMOR-based SIFT environment provides fault tolerance to user applications from several different domains, each requiring a different set of fault tolerance mechanisms to achieve its desired level of dependability."
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