Euro-Interlocking Project Selects ARTiSAN's Real-time Studio

5/14/2004 - ARTiSAN Software Tools, a global leader for UML-based, real-time systems and software modeling tools, announced that Real-time Studio has been chosen by the Euro-Interlocking Project as its formal requirements modeling tool. The Euro-Interlocking project is supported by over 30 railways and suppliers with the objective of significantly reducing the life-cycle costs of interlocking systems in Europe through the standardization of requirements and interfaces.

Under the Euro-Interlocking GENERIS project (GENeric European Requirements for Interlocking Systems), functional requirements are captured, developed, and managed with DOORS, modeled with ARTiSAN's Real-time Studio using UML, and simulated with KnowGravity's CASSANDRA/xUML tool. A key project deliverable from the GENERIS project is a database of functional requirements of the railways involved in the project, and the simulation of these safety-critical, high-precision UML requirements models for verification purposes. Prior to this project, each country had its own approach for requirements description, making it exceptionally difficult for new suppliers to enter a national market.

"A single functional requirements modeling approach for European railways promotes harmony among interlocking systems and cuts costs by reducing non-standardized solutions," stated Niklaus König, Project Manager of the Euro-Interlocking project. "ARTiSAN's Real-time Studio offers two major benefits to Euro-Interlocking: the first is the repository-based multi-user architecture, which allows convenient access to shared models for developers and reviewers distributed across Europe. The second is the data dictionary's embedded model element links in state diagrams that guarantee that the executable action language statements are always kept in sync with the rest of the model. Without this feature, it would be virtually impossible to develop consistent models of this complexity. Real-time Studio handles the large and complex systems well, such as we encounter in the Euro-Interlocking project. Additionally, the team has been able to use some of the features of the forthcoming UML 2.0 standard that are already incorporated into Real-time Studio."

Jeremy Goulding, President and CEO of ARTiSAN Software, commented, "Euro-Interlocking can be thought of as the ultimate distributed development project; not only is development spread across multiple companies, but also across different countries with different languages and cultures. Two of Real-time Studio's inherent strengths – specifically the repository and data dictionary – set it apart from the competition as a UML modeling tool for large and distributed teams, and make the tool the perfect choice as the modeling standard for European railway projects." Markus Schacher, co-founder of KnowGravity, added, "The combination of Real-time Studio and CASSANDRA/xUML allows early validation of the full functionality as well as regression tests on the evolving requirements. We are pleased to work with ARTiSAN to provide Euro-Interlocking with a best-in-class modeling/validation solution."

About ARTiSAN Software Tools
ARTiSAN Software Tools provides electronic product development teams with the "fastest path to the right product." The company offers products, services and a process for systems and software modeling to accelerate the development of next-generation real-time systems while ensuring that they meet requirements. ARTiSAN enables engineering teams to visualize, design and validate systems before building them, and simplifies implementation with code generation and software reuse. ARTiSAN is a practical partner offering easy-to-adopt, down-to-earth solutions.

ARTiSAN Software Tools, Inc., founded in March 1997, is privately held with headquarters in Cheltenham, United Kingdom. The company has regional sales offices and distributors throughout the world. For more information, call +44 (0)1242 229300 internationally, or 1(888)511-7975 from the US; or visit

About Euro-Interlocking
Launched on 1 January 1999, the Euro-Interlocking project is supported and financed by over 30 railways and suppliers with the objective of significantly reducing the life cycle costs of interlocking systems in Europe. Railway interlockings are central to efficient and safe traffic management for railway infrastructure managers and operators alike. Based on the business case developed by the Euro-Interlocking Project in 2000, the expenditure on interlocking systems across Europe was estimated at over €4,000 million per year. For more information, visit

ARTiSAN and Real-time Studio are trademarks or registered trademarks of Artisan Software Tools Ltd.

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