Performance Evaluation of the Information Flow Monitor Protocol in Cyber-Physical Systems

摘要

The Information Flow Monitor (IFM) is a protocol and tool that can record dependencies between exchanged information in Cyber-Physical Systems (CPS). This makes it possible to determine the original source of faulty information in case of an error and to correct errors at their origin. However, the IFM protocol also requires additional resources in terms of processing time and network traffic. In this paper, we measure the additional resources required using an example network and discuss how these resources can affect the operation of a CPS.