Video-on-demand over ATM: Constant-rate transmission and transport

J. M. McManus, K. W. Ross

    Research output: Contribution to journalArticlepeer-review


    We introduce a specific transport and transmission scheme for video-on-demand (VoD) called constant-rate transmission and transport (CRTT). CRTT establishes a constant bit-rate (CBR) virtual channel between the video provider and the viewer's set-top box (STB) and then transmits cells from the provider into this channel at a constant rate. Since we assume that the number of cells in a frame is variable, CRTT requires that some number of cells be built up in an STB buffer before the commencement of playback. The build up, cell transmission rate, and the set-top memory size must be chosen so that there is no starvation or overflow at the STB. We develop fundamental relationships between these parameters for viable CRTT. We then apply the theory to an MPEG encoding of Star Wars and find that the minimal STB memory for CRTT is 23 Mbytes. We also consider varying the constant rate over a small number of intervals. We find, for example, that for Star Wars approximately 2 Mbytes of set-top memory suffices with 32 constant-rate intervals.

    Original languageEnglish (US)
    Pages (from-to)1087-1098
    Number of pages12
    JournalIEEE Journal on Selected Areas in Communications
    Issue number6
    StatePublished - Aug 1996

    ASJC Scopus subject areas

    • Computer Networks and Communications
    • Electrical and Electronic Engineering


    Dive into the research topics of 'Video-on-demand over ATM: Constant-rate transmission and transport'. Together they form a unique fingerprint.

    Cite this