Revenue optimized IPTV admission control using empirical effective bandwidth estimation

Alan Davy, Dmitri Botvich, Brendan Jennings

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)


The paper presents an admission approach for IPTV service providers that is designed to minimize QoS violations whilst effectively utilizing available bandwidth. Central to the approach is an empirical method of estimating the effective bandwidth required to satisfy QoS targets for admitted traffic flows. The paper describes this method and specifies two admission control algorithms based on the use of effective bandwidth estimates. The first algorithm employs a simple evaluation of whether there is sufficient bandwidth available to ensure, with an appropriate degree of confidence, that QoS targets will not be violated if a requested flow is admitted. The second algorithm utilizes information relating to the cost, duration and request frequency of specific IFTV content to prioritize higher revenue flows within the admission control process. Results of a simulation study (employing real traffic traces of long-lived flows) indicate that the proposed algorithms ensure that an adequate, but not overly generous, amount of bandwidth is allocated to ensure that QoS targets for accepted flows are met. Furthermore, they demonstrate the potential advantage of using content specific information in the admission control process to maximize generated revenue.

Original languageEnglish
Article number4604797
Pages (from-to)599-611
Number of pages13
JournalIEEE Transactions on Broadcasting
Issue number3
Publication statusPublished - Sep 2008


  • Admission control
  • Aggregated traffic
  • Effective bandwidth
  • Quality of service


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