Optimizing the Profit of On-Demand Multimedia Service Via a Server-Dependent Queuing System

  • Pei-chun Lin
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4016)


This study presents a profit maximization model that adopts the number of requests for image or voice transferring services on a network as decision variables for when to switch a second server on and off based on the costs of using a second server and of users waiting. A Markovian queue with a number of servers depending upon queue length and finite capacity is discussed. The data of interarrival time and service times of requests are collected by observing a queuing system. An empirical Bayesian method is then applied to estimate the traffic intensity of the system, which denotes the need for host computers. The mean number of transfer requests in the system and the queue length of transfer requests are calculated as the characteristic values of the system.


Service Time Queue Length Service Rate Penalty Cost Queueing System 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Pei-chun Lin
    • 1
  1. 1.Department of Transportation and Communication Management ScienceNational Cheng Kung UniversityTainanTaiwan

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