Survivability Analysis of Networked Systems
Author:Somesh Jha and Jeannette M. Wing
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Survivability is the ability of a system to continue operating despite
the presence of abnormal events such as failures and intrusions.
Ensuring system survivability has increased in importance as critical
infrastructures have become heavily dependent on computers. In this
paper we present a systematic method for performing survivability
analysis of networked systems. An architect injects
failure and intrusion events into a system model and then
visualizes the effects of the injected events in the form of
Our method enables further global
analyses, such as reliability, latency, and cost-benefit analyses, where
mathematical techniques used in different domains are combined
in a systematic manner. We illustrate our ideas on an abstract model
of the United States Payment System.