An In-Home Digital Network Architecture for Real-Time and Non-Real-Time Communication

Hans Scholten, Pierre G. Jansen, Ferdy Hanssen, Tjalling Hattink

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    Abstract

    This paper describes an in-home digital network architecture that supports both real-time and non-real-time communication. The architecture deploys a distributed token mechanism to schedule communication streams and to offer guaranteed quality-ofservice. Essentially, the token mechanism prevents collisions to occur in the network, thus making the network deterministic. The distributed token scheduler uses a pre-emptive earliest deadline first strategy, which guarantees a possible bandwidth utilization of 100 percent. To allow non-real-time communication however, only part of the available bandwidth is allocated by the scheduler to real-time traffic, typically 80 percent. The paper describes protocols to counter token loss and token duplication. The network is simulated and the paper shows some results from this simulation. Based on low-cost Ethernet hardware, a prototype of the network is built and tested. Last, the paper describes future directions. expensive for inclusion in small devices, like temperature sensors. The proposed real-time network is one of the innovations of a project that tackles these problems.
    Original languageEnglish
    Title of host publication2002 IEEE Region 10 Conference on Computers, Communications, Control and Power Engineering, TENCOM '02
    Subtitle of host publicationProceedings
    Place of PublicationLos Alamitos, CA, USA
    PublisherIEEE Computer Society
    Pages728-731
    Number of pages4
    Volume2
    ISBN (Print)0-7803-7491-6
    DOIs
    Publication statusPublished - Oct 2002
    EventIEEE Region 10 Conference on Computers, Communications, Control and Power Engineering , TENCON 2002 - Beijing, China
    Duration: 28 Oct 200231 Oct 2002

    Conference

    ConferenceIEEE Region 10 Conference on Computers, Communications, Control and Power Engineering , TENCON 2002
    Abbreviated titleTENCON
    CountryChina
    CityBeijing
    Period28/10/0231/10/02

    Keywords

    • CAES-PS: Pervasive Systems
    • Real-time communication
    • Non real-time communication
    • Distributed token mechanism
    • In-home digital network architecture

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