Periodic real-time scheduling: from deadline-based model to latency-based model

Liliana Cucu (), Nicolas Pernet () and Yves Sorel ()

Annals of Operations Research, 2008, vol. 159, issue 1, 51 pages

Abstract: This paper presents a connection between two real-time models: a deadline-based model and a latency-based model. The importance of the latency-based model is proved through a result showing that two deadlines, instead of a latency constraint, over-constrain the real-time applications. Moreover, we give a deadline-marking algorithm based on the relation between deadlines and latency constraints. This algorithm provides non-preemptive feasible schedules for systems with precedence constraints and deadlines, or more complex systems with deadlines and latencies. This is the first step toward non-preemptive schedulability for distributed architectures (without over-constraining the system) like, for example, the automotive applications using protocols such as Controller Area Network (CAN). Copyright Springer Science+Business Media, LLC 2008

Keywords: Scheduling; Real-time; Non-preemptive; Latency; Deadline; Periodicity (search for similar items in EconPapers)
Date: 2008
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DOI: 10.1007/s10479-007-0279-9

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