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11th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications (RTCSA'05)
RLP: Enhanced QoS Support for Real-Time Applications
Hong Kong, China
August 17-August 19
ISBN: 0-7695-2346-3
Audrey Marchand, Laboratoire d?Informatique de Nantes Atlantique
Maryline Silly-Chetto, Laboratoire d?Informatique de Nantes Atlantique
In this paper, we study the problem of scheduling periodic task sets defined under Quality of Service (QoS) constraints. In our approach, periodic tasks allow occasional skips of instances. A new algorithm, called RLP (Red tasks as Late as Possible) based on the Skip-Over model and the EDL (Earliest Deadline as Late as Possible) scheduling strategy, is proposed to enhance the QoS observed for periodic tasks, i.e, the ratio of periodic tasks which complete before their deadline. We prove that our results are never worse than those obtained in previous work. Experimental results also show significant improvement achieved by our algorithm over RTO and BWP.
Citation:
Audrey Marchand, Maryline Silly-Chetto, "RLP: Enhanced QoS Support for Real-Time Applications," rtcsa, pp.241-246, 11th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications (RTCSA'05), 2005
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