An asymmetric broadcast ATM switching network using output buffer

Yoshiaki Tanaka, Shyu Shimizu, Atsushi Miyake

    Research output: Contribution to journalArticle

    Abstract

    Numerous broadcast ATM switching networks have been proposed and studied so far, but most of them are constructed with symmetric switches, which have the same number of input and output ports. Transit switching networks may be symmetric, but local switching networks must be asymmetric, because the numbers of input ports and output ports of local switching networks are different. An asymmetric broadcast ATM switch can be constructed with copy networks and routing networks, which consist of a number of symmetric switches. Another type of broadcast ATM switch uses output buffer ATM switches. This type of switch can establish point to multipoint connections easily, and it can also be extended to an asymmetric switching network. This paper proposes an asymmetric switching network using output buffer switches and not using copy networks. Conventionally, an output buffer switch has good switching performance, but it requires large amounts of hardware. This paper proposes to reduce the switching network hardware size using concentrators, and by applying newly developed bus interface switches. It also presents the traffic performance and reduction of switching hardware for concentrating traffic.

    Original languageEnglish
    Pages (from-to)59-67
    Number of pages9
    JournalElectronics and Communications in Japan, Part I: Communications (English translation of Denshi Tsushin Gakkai Ronbunshi)
    Volume80
    Issue number8
    Publication statusPublished - 1997 Aug

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    Switching networks
    Automatic teller machines
    Switches
    Hardware
    Network routing

    Keywords

    • ATM
    • Broadcasting
    • Output buffer switching network
    • Switching network
    • Switching system

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering
    • Computer Networks and Communications

    Cite this

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