Performance modeling of heterogeneous data networks

Sanjay Gupta, Keith W. Ross

    Research output: Contribution to journalArticlepeer-review


    A heterogeneous data network consists of Local Area Networks (LANs) interconnected with either leased lines, packet-switched networks, Metropolitan Area Networks (MANs), or combinations thereof. Heterogeneous networks are characterized by bursty traffic, nested segmentation and reassembly of packets, window flow control and round-robin channel access. We develop a performance methodology for estimating user perceived delay and buffer overflow in heterogeneous data networks. The methodology is based on well-known two-moment approximation schemes. Modifications of these schemes are proposed in order to model the bandwidth allocation policies of the MANs and to capture the burstiness of the traffic. The methodology is applied to several LAN-MAN and LAN-MAN-WAN network examples.

    Original languageEnglish (US)
    Pages (from-to)125-151
    Number of pages27
    JournalAnnals of Operations Research
    Issue number2
    StatePublished - Apr 1992

    ASJC Scopus subject areas

    • General Decision Sciences
    • Management Science and Operations Research


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