Requirements Analysis of Real-Time Systems by Rational-Rose UML

The unified modeling language (UML) is one of the most commonly used tools for analyzing and expressing software requirements. Considerably, UML overcomes ambiguity limitation which results from infamous shortcoming of national language. However, how to express requirements of real-time systems properly is still a very challenging problem. In this paper, main aspects of UML for real-time system are highlighted, and typical implementation of real-time system by UML is investigated as well. At the end, a guideline generated for financial account platform of Zhejiang Provincial Finance Department is presented by UML use cases, activity diagrams, and interface diagrams in details.