Stability of preemptive EDF queueing networks

Łukasz Kruk

Abstract


We show stability of preemptive, strictly subcritical EDF networks with Markovian routing. To this end, we prove that the associated fluid limits satisfy the first-in-system, first-out (FISFO) fluid model equations and thus, by an extension of a result of Bramson (2001), the corresponding fluid models are stable. We also demonstrate that in a preemptive multiclass EDF network, after a time large enough to process all the initial customers to completion, the maximal number of partially served customers in the system over a finite time horizon converges to zero in \(L^1\) under fluid scaling.

Keywords


Multiclass queueing networks; deadlines; preemption; stability; fluid models; fluid limits

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References


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DOI: http://dx.doi.org/10.17951/a.2019.73.2.105-134
Date of publication: 2020-01-16 07:29:35
Date of submission: 2019-12-29 16:34:29


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