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On the effect of finite buffer truncation in a two-node Jackson network. (English) Zbl 1077.60070
The paper deals with computing the tail decay rates of the stationary queue-length distribution of queueing networks by the finite truncation of some buffers, provided that the stability of the networks holds. Usually it is expected that such a truncation approximates the original decay rate well as the truncation level becomes large. The paper considers a two-node Jackson network with arbitrary routing topology. It is shown that contrary to expectations there can be three different cases for the limit.

##### MSC:
 60K25 Queueing theory (aspects of probability theory) 60F10 Large deviations 60J10 Markov chains (discrete-time Markov processes on discrete state spaces) 60K20 Applications of Markov renewal processes (reliability, queueing networks, etc.)
##### Keywords:
decay rates; finite truncation; stationary distribution
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##### References:
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