Fixed priorities or EDF for distributed real-time systems?

Authors:
Juan M. Rivas;J. Javier Gutiérrez;Michael González Harbour
Affiliations:
Universidad de Cantabria, Santander, Spain;Universidad de Cantabria, Santander, Spain;Universidad de Cantabria, Santander, Spain
Venue:
ACM SIGBED Review - Special Issue on the Work-in-Progress (WiP) session of the 33rd IEEE Real-Time Systems Symposium (RTSS'12)
Year:
2013

Citing 2
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Rate monotonic vs. EDF: judgment day

Real-Time Systems
Schedulability Analysis and Optimization of Heterogeneous EDF and FP Distributed Real-Time Systems

ECRTS '11 Proceedings of the 2011 23rd Euromicro Conference on Real-Time Systems

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Abstract

Although fixed priority (FP) scheduling is the most popular online scheduling policy in industrial environments, the earliest deadline first (EDF) policy is starting to get more attention, given its benefits in terms of increased resource usage. A comparison between FP and EDF under several aspects is presented in [1] for single-processor systems, showing that FP does not always have the commonly attributed advantages over EDF.