Architecture of Tamer : a Tool
نویسندگان
چکیده
The need for fault tolerant software has grown signiicantly with the need for providing computer-based continuous service in a variety of areas that include telecommunications , air and ground transportation, and defense. TAMER (a Testing, Analysis, and Measurement Environment for Robustness) is a tool designed to assess the dependability of such systems. Three key ideas make TAMER diierent from several existing tools aimed at dependability assessment of distributed fault tolerant systems. These three ideas are incorporated in: (a) a two-dimensional criterion for dependability assessment , (b) interface fault injection, and (c) a scheme for partitioning the system under assessment into subsystems that could be analyzed \oo-line". The interactive nature of TAMER allows an assessor to identify portions of software that may need attention for additional testing, redesign, or recoding. Such identiication becomes possible with the help of code and fault coverage information derived during the testing process under TAMER's control. Here we describe the architecture of TAMER.
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