Time-dependent broadband pricing: Feasibility and benefits

Carlee Joe-Wong, Sangtae Ha, Mung Chiang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

50 Scopus citations

Abstract

Charging different prices for Internet access at different times induces users to spread out their bandwidth consumption across times of the day. Potential impact on ISP revenue, congestion management, and consumer behavior can be significant, yet some fundamental questions remain: is it feasible to operate time dependent pricing and how much benefit can it bring? We develop an efficient way to compute the cost-minimizing time-dependent prices for an Internet service provider (ISP), using both a static session-level model and a dynamic session model with stochastic arrivals. A key step is choosing the representation of the optimization problem so that the resulting formulations remain computationally tractable for large-scale problems. We next show simulations illustrating the use and limitation of time-dependent pricing. These results demonstrate that optimal prices, which "reward" users for deferring their sessions, roughly correlate with demand in each period, and that changing prices based on real-time traffic estimates may significantly reduce ISP cost. The degree to which traffic is evened out over times of the day depends on the timesensitivity of sessions, cost structure of the ISP, and amount of traffic not subject to time-dependent prices. Finally, we present our system integration and implementation, called TUBE, and proof-of-concept experimentation.

Original languageEnglish (US)
Title of host publicationProceedings - 31st International Conference on Distributed Computing Systems, ICDCS 2011
Pages288-298
Number of pages11
DOIs
StatePublished - 2011
Event31st International Conference on Distributed Computing Systems, ICDCS 2011 - Minneapolis, MN, United States
Duration: Jun 20 2011Jul 24 2011

Publication series

NameProceedings - International Conference on Distributed Computing Systems

Other

Other31st International Conference on Distributed Computing Systems, ICDCS 2011
Country/TerritoryUnited States
CityMinneapolis, MN
Period6/20/117/24/11

All Science Journal Classification (ASJC) codes

  • Software
  • Hardware and Architecture
  • Computer Networks and Communications

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