ABSTRACT
Allsafetyfunctionsreducethelikelihoodofapersonbeinghurt.¥erequirementstobemetbysuch safetyfunctionsarespeci¦edinstandardsthatareeithergeneric,speci¦cforadomainsuchasindustrialcommunicationsystems,orapplicationdependent.Allofthemhaveincommonthattheyspecify alifecyclemodelwhereahazardandriskanalysis,asafetyrequirementsspeci¦cation,asafetyanalysis, and safety validation are the crucial activities.
