CONTROL FLOW MONITORING FOR ATIME - TRIGGERED COMMUNICATIONCONTROLLERThomas
نویسندگان
چکیده
A novel control ow monitoring scheme is presented that has been tailored to the architecture of the protocol control unit of a time-triggered communication system. Within the approach a signature derived on-line for a sequence of instructions (\block") is checked against an embedded reference signature. The execution of the signature checks is enforced by a timeout mechanism that is based on the instruction count between two successive checks. The approach provides a derivable Hamming distance for the signatures and a bounded error detection latency while being transparent for the protocol execution. The overhead in terms of performance penalty, memory overhead and extra hardware is low.
منابع مشابه
Control Flow Monitoring for a Time Triggered Communication Controller
A novel control ow monitoring scheme is presented that has been tailored to the architecture of the protocol control unit of a time triggered communication system Within the approach a signature derived on line for a sequence of instructions block is checked against an embedded reference signature The execution of the signature checks is enforced by a timeout mechanism that is based on the inst...
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