The paper describes methods and approaches to the software and hardware integration into enterprise distributed system. It defines the concepts of service-oriented architecture and its main components. In this paper the development of the systems based on service-oriented architecture was mathematically proved, and reliability of such systems was analyzed. The obtained results allow to state that using Web services can increase efficiency and reliability of data process in weeklyreferenced distributed systems across the enterprise.
Service-oriented architecture, distributed systems, Web-service