Joint distributions for interacting fluid queues

Research output: Contribution to journalArticleAcademicpeer-review

12 Citations (Scopus)
6 Downloads (Pure)


Motivated by recent traffic control models in ATM systems, we analyse three closely related systems of fluid queues, each consisting of two consecutive reservoirs, in which the first reservoir is fed by a two-state (on and off) Markov source. The first system is an ordinary two-node fluid tandem queue. Hence the output of the first reservoir forms the input to the second one. The second system is dual to the first one, in the sense that the second reservoir accumulates fluid when the first reservoir is empty, and releases fluid otherwise. In these models both reservoirs have infinite capacities. The third model is similar to the second one, however the second reservoir is now finite. Furthermore, a feedback mechanism is active, such that the rates at which the first reservoir fills or depletes depend on the state (empty or nonempty) of the second reservoir. The models are analysed by means of Markov processes and regenerative processes in combination with truncation, level crossing and other techniques. The extensive calculations were facilitated by the use of computer algebra. This approach leads to closed-form solutions to the steady-state joint distribution of the content of the two reservoirs in each of the models.
Original languageEnglish
Pages (from-to)99-139
Number of pages41
JournalQueueing systems
Issue number1-3
Publication statusPublished - Mar 2001


  • Fluid queue
  • Feedback
  • Tandem queue
  • Joint distribution
  • Stationary distribution
  • Traffic shaper
  • 2023 OA procedure


Dive into the research topics of 'Joint distributions for interacting fluid queues'. Together they form a unique fingerprint.

Cite this