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Resource sharing in reservation-based systems

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4 Author(s)
D. de Niz ; Real-Time & Multimedia Syst. Lab., Carnegie Mellon Univ., Pittsburgh, PA, USA ; L. Abeni ; S. Saewong ; R. Rajkumar

The resource-sharing problem in priority-driven realtime systems has been studied at length, with the result that some effective and practical solutions are available for both fixed-priority and dynamic-priority systems. In recent years, real-time operating systems have begun to support the resource reservation paradigm, providing a "temporal isolation" abstraction. However the problem of sharing logical resources across reserved applications has not been extensively studied. In this paper we consider both the theoretical and practical implications of such resource-sharing in reservation-based systems. Moreover we provide some experimental results from the implementation of our proposed schemes in Linux/RK, a "resource kernel" that supports reservations.

Published in:

Real-Time Systems Symposium, 2001. (RTSS 2001). Proceedings. 22nd IEEE

Date of Conference:

3-6 Dec. 2001