As mentioned in Chapter I, a service’s dependability must be justified in a quantitative way and proved through extensive on-field testing and fault injection, verification and validation techniques, simulation, source-code instrumentation, monitoring, and debugging. An exhaustive treatment of all these techniques falls outside the scope of this book, nevertheless the author feels important to include in this text an analysis of the effect on dependability of some of the methods that have been introduced in previous chapters.
A Generic and Configurable Source-Code Instrumentation Component