Piecewise linear test functions for stability and instability of queueing networks
Queueing Systems: Theory and Applications
On the stability of a partially accessible multi-station queue with state-dependent routing
Queueing Systems: Theory and Applications
A Load-Balanced Network with Two Servers
Queueing Systems: Theory and Applications
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We give an almost complete classification of ergodicity and transience conditions for a general multi-queue system with the following features: arrivals form Poisson streams and there are various routing schemes for allocating arrivals to queues; the servers can be configured in a variety of ways; completed jobs can feed back into the system; the exponential service times and feedback probabilities depend upon the configuration of the servers (this model includes some types of multi-class queueing system); switching between service regimes is instantaneous. Several different levels of control of the service regimes are considered. Our results for the N-queue system require randomisation of service configurations but we have studied the two queue system in situations where there is less control. We use the semi-martingale methods described in Fayolle, Malyshev and Menshikov [3] and our results generalise Kurkova [8] and complement Foley and McDonald [4] and [5].