Computer Networking: A Top-Down Approach Featuring the Internet
Computer Networking: A Top-Down Approach Featuring the Internet
Seek and you will find, share and you will benefit: organising knowledge using groupware systems
International Journal of Information Management: The Journal for Information Professionals
Internet-based supply chain management: using the Internet to revolutionize your business
International Journal of Information Management: The Journal for Information Professionals
International Journal of Information Management: The Journal for Information Professionals
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'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.