Lock-step "checker" cores running two steps behind sound like a good way to detect hardware failures, power glitches, or electrical interference that corrupt data processing. Can they help with hackers or malicious disruption? It would seem that whatever mechanism exists to allow software upgrades to alter the master and checker software could be exploited by hackers.
Certifying ISO 26262 compliance in order to meet worldwide mandates for tougher safety and security standards should get a leg up from Freescale's SafeAssure program, which also covers International Electrotechnical Commission (IEC) 61508 and other emerging standard. Details at:
NASA's Orion Flight Software Production Systems Manager Darrel G. Raines joins Planet Analog Editor Steve Taranovich and Embedded.com Editor Max Maxfield to talk about embedded flight software used in Orion Spacecraft, part of NASA's Mars mission. Live radio show and live chat. Get your questions ready.
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