Quality of Service

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High Quality Content by WIKIPEDIA articles! In the field of computer networking and other packet-switched telecommunication networks, the traffic engineering term quality of service (QoS) refers to resource reservation control mechanisms rather than the achieved service quality. Quality of service is the ability to provide different priority to different applications, users, or data flows, or to guarantee a certain level of performance to a data flow. For example, a required bit rate, delay, jitter, packet dropping probability and/or bit error rate may be guaranteed. Quality of service guarantees are important if the network capacity is insufficient, especially for real-time streaming multimedia applications such as voice over IP, online games and IP-TV, since these often require fixed bit rate and are delay sensitive, and in networks where the capacity is a limited resource, for example in cellular data communication. In the absence of network congestion, QoS mechanisms are not required.

Weitere Informationen

  • Allgemeine Informationen
    • GTIN 09786130324889
    • Editor Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
    • Sprache Englisch
    • Größe H220mm x B150mm x T6mm
    • Jahr 2009
    • EAN 9786130324889
    • Format Kartonierter Einband
    • ISBN 978-613-0-32488-9
    • Titel Quality of Service
    • Untertitel Teletraffic Engineering, Flow (computer networking), Streaming Media, Network Congestion, Voice over Internet, IPTV, Traffic Contract
    • Gewicht 153g
    • Herausgeber Betascript Publishers
    • Anzahl Seiten 92
    • Genre Informatik

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