| Article ID: | iaor20102842 |
| Volume: | 36 |
| Issue: | 4 |
| Start Page Number: | 492 |
| End Page Number: | 495 |
| Publication Date: | Jul 2008 |
| Journal: | Operations Research Letters |
| Authors: | Pandelis Dimitrios G |
| Keywords: | tandem queues |
We consider two-stage tandem queueing systems attended by two specialized and one flexible server, where all servers have time varying rates. Assuming exponential processing times and linear holding costs, we derive properties of server allocation policies that minimize expected costs over an infinite time horizon.