Architectures for Dependable Software Systems

Dependable software architectures determine the method of integrating a fault tolerance technique with a given system in order to make the system dependable. Dependable architectures demonstrably possess properties such as safety, security, and fault tolerance. Enriching software architecture descriptions by including dependability attributes will enable and facilitate the reuse of software components. This paper summarizes the different trends in the development of dependable software architecture along with their inherent limitations. We also illustrate the possible modifications to these existing architectures in order to improve sufficiently the dependability features of a software system.