The optimal control of a general tandem queue

Josef Weichbold, Klaus Schiefermayr

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

5 Zitate (Scopus)


We consider a scheduling problem with two interconnected queues and two flexible servers. It is assumed that all jobs are present at the beginning and that there are no further arrivals to the system at any time. For each job, there are waiting costs per unit of time until the job leaves the system. A job of queue 1, after being served, joins queue 2 with probability p and leaves the system with probability 1 - p. The objective is how to allocate the two servers to the queues such that the expected total holding costs until the system is empty are minimized. We give a sufficient condition such that for any number of jobs in queue 1 and queue 2, it is optimal to allocate both servers to queue 1 (resp. queue 2).

Seiten (von - bis)307-327
FachzeitschriftProbability in the Engineering and Informational Sciences
PublikationsstatusVeröffentlicht - Apr. 2006


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