QNX Software Systems has announced that it is pursuing IEC 61508 Safety Integrity Level 3 (SIL 3) certification for the Neutrino RTOS (realtime operating system), a fault-tolerant, high-performance operating system deployed in millions of mission-critical systems worldwide.
SIL certification levels are defined by the International Electrotechnical Commission (IEC) 61508 standard; the higher the SIL level, the lower the risk of failure. SIL 3 is considered the highest level of risk reduction achievable on a single programmable electronic system. IEC 61508 is well established in the industrial process control and automation space, and is becoming increasingly important in automotive, heavy machinery, mining, nuclear and other applications.
The QNX Neutrino RTOS is designed to meet the most demanding reliability and performance requirements. Its microkernel architecture incorporates only a small core of fundamental services in a well-tested kernel; all other components – device drivers, file systems, networking stacks, user applications – run outside the kernel as separate, memory-protected processes. This architecture provides an inherent degree of reliability and fault-tolerance to user applications and serves as a solid foundation for the SIL 3 certification.
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