Getting what you paid for: quality of service and wireless connection to the internet

  • Authors:
  • Andrew H. Kemp

  • Affiliations:
  • School of Electronic and Electrical Engineering, University of Leeds, Leeds, LS2 9JT, UK

  • Venue:
  • International Journal of Information Management: The Journal for Information Professionals
  • Year:
  • 2005

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Abstract

'Quality of service' (QoS) has risen in importance for controlling and measuring the transfer of information over communications networks as they have migrated from individual-links to interconnected-networks (and indeed to the Internet itself). Charging for services contributes to the requirement for prescribed levels of quality. Two different basic paradigms for communications networks are used, circuit-switched and packets-switched. The difference between these two have a significant impact on performance and hence on QoS issues. The Internet uses packet-switched and different QoS solutions have been standardised, IntServ and DiffServ. The mobile communications sector currently uses circuit-switching but is migrating to a packet-switched basis. This paper briefly reviews these developments and looks at possible future developments.