Multi-attribute decomposition technique for fault tolerant multiversion systems

The article proposes an original method for decomposition of fault-tolerant multiversion systems based on multi-attribute analysis. Decomposition into functional subsystems is carried out taking into account the generality of functions performed by software modules. In this work, the attribute of the importance of functions is determined based on the general function of the unmanned aerial vehicle and the set of tasks that it must perform. The division of software modules into types allows you to determine possible ways to improve reliability that are applicable to them. These are, for example, multi-version programming, recovery blocks, t/(n-1)-variant programming.