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Most modern real-time systems employ firmware. Firmware is implementation of software on hardware. It needs to satisfy both
software and hardware reliability and quality requirements. The basic objective of any real-time system is
to provide reliable service with no or very little service interruptions. As a matter of fact, a typical telecommunication
switching system's downtime is required not to exceed 3 minutes in a year. Such highly available systems require
that hardware and software reliability be built in the system during design and test phases of product development.
Typical 5- nine or 99.999% reliability can be assessed for a product using Markov chain and other non-Markov techniques.
Capabilities
Use of advanced failure tree analysis methodology and tools for assessing reliability of products based on techniques
employed by NASA
Use of sophisticated State Transitions Diagrams and Markov models for prediction of system downtimes
Use of Reliability Block Diagrams (RBDs) for prediction of system availability.
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Key Benefits
- Firmware and hardware reliability analysis of a product helps in obtaining reliability objectives
- Studying the architecture of a product from availability point of view helps in making the architecture more robust and
in establishing a verifiable design
- Highly reliable system helps in reducing operational cost and increased customer satisfaction.
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