Abstract
Consider a modified, stable, two node Jackson network where server 2 helps server 1 when server 2 is idle. The probability of a large deviation of the number of customers at node one can be calculated using the flat boundary theory of Schwartz and Weiss [Large Deviations Performance Analysis (1994), Chapman and Hall, New York]. Surprisingly, however, these calculations show that the proportion of time spent on the boundary, where server 2 is idle, may be zero. This is in sharp contrast to the unmodified Jackson network which spends a nonzero proportion of time on this boundary.
Citation
Robert D. Foley. David R. McDonald. "Large deviations of a modified Jackson network: Stability and rough asymptotics." Ann. Appl. Probab. 15 (1B) 519 - 541, February 2005. https://doi.org/10.1214/105051604000000666
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