Analyzing log files of distributed systems

Summary: The team has  developed an approach and a set of tools for analyzing the log files produced in distributed systems. According to this approach, formal models are constructed from the collected execution traces and validated with respect to user-defined properties that represent the desired and/or undesired functionalities. 

Result: This work has led to a toolkit comprised of modeling components that extract the various types of trace models (for example, the models that are specific to traffic control systems and GSM systems, GPRS and UMTS), a library of property patterns, a model checker and of a friendly-user interface.



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