Instruments and Systems: Monitoring, Control, and Diagnostics Annotation << Back Model synthesis of optimal systems based on modular software architecture multiversioning (Part I) R.Y. TSAREV A.V. SHTARIK E.N. SHTARIK Presented a formal statement of the problem of synthesis of the software architecture of modular systems management and information processing based on multiversioning methodology that ensures fault tolerance and high reliability in data processing. A model of optimal synthesis multiversioning software architecture modular system control and data processing, which provides a minimum total time of exchange with external memory and maximum reliability under given constraints. Keywords: reliability, multiversioning software, optimization, control and information processing Contacts: E-mail: tsarev.sfu@mail.ru Pp. 01-05.