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Time incompatibilities in the interactions of timed subsystems on board satellites can cause deadlocks and data loss. Verification of time requirements is one of the major challenges in integration testing of complex timed systems. This paper proposes a new approach to enrich interoperability formal models with timing deviations in order to derivate robustness test cases. The combination of such an...
Ensuring that a Web-based system respects its security requirements is a critical issue that has become more and more difficult to perform in these last years. This difficulty is due to the complexity level of such systems as well as their variety and increasing distribution. To guarantee such a respect, we need to test the target Web system by applying a complete set of test cases covering all the...
The evolution of today's markets and the high volatility of business requirements put an increasing emphasis on the ability for systems to accommodate the changes required by new organizational needs while maintaining security objectives satisfiability. This is even more true in case of collaboration and interoperability between different organizations and thus between their information systems.Usual...
The complexity and the variety of the deployed time dependent systems, as well as the high degree of reliability required for their global functioning, justify the care provided to the design of the best possible tests. Moreover,it is significant to automate these steps with an aim of reducing the time and the development cost and especially of increasing the reliability of the offered products. In...
Security and reliability are of paramount importance in designing and building real-time systems because any security failure can put the public and the environment at risk. In this paper, we propose a framework to take timed security requirements into account from the design stage of the system building. Our approach consists of two main steps. First, the system behavior is specified based on its...
During interoperability exchanges, organizations are jointly conducting computation and sharing tasks. However, organizations can have different security policies. To guarantee good interoperability exchanges, organizations need to share with other participants information about the services they provide. In addition, to be compliant with security requirements during interoperability, security policies...
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