We present an example of a single-server polling system with two queues and an adaptive service policy. where the stability region depends on the expected values of all the primitives and also on a certain exponential moment of the service-time distribution in one of the queues. The latter parameter cannot be determined, in general, in terms of any finite number of moments. (C) 2013 Elsevier B.V. All rights reserved.
- Polling system
- Adaptive limited and exhaustive service disciplines
- Stability conditions
- Foster criterion