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:
Replay available now: A handful of emerging network technologies are competing to be the preferred wide-area connection for the Internet of Things. All claim lower costs and power use than cellular but none have wide deployment yet. Listen in as proponents of leading contenders make their case to be the metro or national IoT network of the future. Rick Merritt, EE Times Silicon Valley Bureau Chief, moderators this discussion. Join in and ask his guests questions.