Abstract
Providing timely situation awareness to the human operator is a critical function of software-intensive combat systems such as avionics systems. The real-time database management system (RTDB) is a key enabling technology to make the required information available for effective decision making in mission-critical situations. The database that represents a rapidly evolving tactical environment must provide for considering the age of data and the predictability of data access, as well as traditional data integrity constraints. In this paper, we discuss applying a novel concurrency control protocol that addresses the real-time issues of data timeliness and predictable performance within the framework of a real-time database management system. The performance of the concurrency control approach is studied by simulations.
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