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Dynamic adaptation means that components are reconfigured at run time. Consequently, the degree to which a system fulfils its functional and safety requirements depends on the current system configuration at run time. The probability of a violation of functional requirements in combination with an importance factor for each requirement gives us a measure for reliability. In the same way, the degree...
This article presents a novel technique to calculate the probability that an adaptive system assumes a configuration. An important application area of dynamic adaptation is the cost-efficient development of dependable embedded systems. Dynamic adaptation exploits implicitly available redundancy, reducing the need for hardware redundancy, to make systems more available, reliable, survivable and, ultimately,...
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