| Article ID: | iaor20117352 |
| Volume: | 214 |
| Issue: | 3 |
| Start Page Number: | 814 |
| End Page Number: | 817 |
| Publication Date: | Nov 2011 |
| Journal: | European Journal of Operational Research |
| Authors: | Tadj Lotfi, Zhang Zhe George, Bounkhel Messaoud |
| Keywords: | M/G/1 queues |
This note clarifies the concept of regeneration cycle used in evaluating the average operating cost of the M/G/1 queue with T‐policy studied in 70s. Two ways of defining the regeneration cycle are compared and advantages and disadvantages of each way are pointed out. In addition, we establish the convexity of the cost function based on the service cycle.