Guides
Software Reliability Guides
Plain-language, answer-first guides to predicting software defects, applying IEEE 1633 and SAE J1025, performing software FMEA, and turning predictions into failure rate, availability and risk decisions.
Software Reliability Prediction Tool: What It Does and How It Works
A software reliability prediction tool estimates defects, failure rate and availability before code is written, using requirements, process and historical defect data.
IEEE 1633 Explained: What the Standard Requires, Task by Task
IEEE 1633 is the recommended practice for software reliability. This guide explains its tasks — planning, prediction, allocation, software FMEA, growth modeling and FRACAS.
Software FMEA vs Hardware FMEA: What Actually Changes
Software FMEA differs from hardware FMEA: no wear-out, no failure rates per part, and failure modes come from requirements and states rather than components.
Software Defect Density Benchmarks and How to Use Them Honestly
How software defect density is defined, why published benchmarks vary so widely, and how to build a defensible internal baseline for defect prediction.
How to Calculate Software Failure Rate and Availability
How to convert predicted software defects into a failure rate, MTBF and availability figure that can be used in a system reliability model or an error budget.
Software Risk Assessment Checklist
A practical software risk assessment checklist covering requirements, schedule, process, architecture, test coverage and edge cases, with scoring and mitigation guidance.