The Annals of Applied Probability

Sample path large deviations for multiclass feedforward queueing networks in critical loading

Kurt Majewski

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We consider multiclass feedforward queueing networks with first in first out and priority service disciplines at the nodes, and class dependent deterministic routing between nodes. The random behavior of the network is constructed from cumulative arrival and service time processes which are assumed to satisfy an appropriate sample path large deviation principle. We establish logarithmic asymptotics of large deviations for waiting time, idle time, queue length, departure and sojourn-time processes in critical loading. This transfers similar results from Puhalskii about single class queueing networks with feedback to multiclass feedforward queueing networks, and complements diffusion approximation results from Peterson. An example with renewal inter arrival and service time processes yields the rate function of a reflected Brownian motion. The model directly captures stationary situations.

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Ann. Appl. Probab., Volume 16, Number 4 (2006), 1893-1924.

First available in Project Euclid: 17 January 2007

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Zentralblatt MATH identifier

Primary: 60F10: Large deviations
Secondary: 90B15: Network models, stochastic 68M20: Performance evaluation; queueing; scheduling [See also 60K25, 90Bxx] 60J65: Brownian motion [See also 58J65]

Moderate deviations heavy traffic first come first serve priority service discipline sojourn-time stationary Skorokhod map reflection map Brownian motion


Majewski, Kurt. Sample path large deviations for multiclass feedforward queueing networks in critical loading. Ann. Appl. Probab. 16 (2006), no. 4, 1893--1924. doi:10.1214/105051606000000439.

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