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Guaranteeing real-time QoS according to (m,k)-firm model

Ye-Qiong Song 1
1 TRIO - Real time and interoperability
INRIA Lorraine, LORIA - Laboratoire Lorrain de Recherche en Informatique et ses Applications
Abstract : This talk addresses the use of the (m,k)-firm model for providing real-time QoS guarantee in adaptive real-time systems and in Internet. (m,k)-firm model is interesting mainly for two reasons. One is that there exists many real-time applications such as audio/video packet transmission which can “naturally” tolerate some packet losses according to a (m,k)-pattern. Another is that systems dimensioned according to the worst-case for hard real-time guarantee leads to oversized resource requirement. After having pointed out the new research directions for providing systems with (m,k)-firm real-time guarantee, an example called (m,k)-WFQ and its application to video packet transmission is detailed. (m,k)-WFQ extends WFQ to integrate (m,k)-firm constraint. Its delay upper bound and performance are given.
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Conference papers
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https://hal.inria.fr/inria-00114959
Contributor : Ye-Qiong Song <>
Submitted on : Sunday, November 19, 2006 - 10:40:08 PM
Last modification on : Tuesday, March 16, 2021 - 5:42:04 PM

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  • HAL Id : inria-00114959, version 1

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Ye-Qiong Song. Guaranteeing real-time QoS according to (m,k)-firm model. Workshop of Real-Time and Embedded Systems, Zhejiang University and LORIA, Mar 2006, Zhejiang University, Hangzhou (Chine). ⟨inria-00114959⟩

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