Network extension method considering increase of multicast traffic

Takumi Miyoshi, Yoshiaki Tanaka, Kaoru Sezaki

    Research output: Contribution to journalArticle

    Abstract

    Recently, the spread of multicast communication is expected from the perspective of the efficient utilization of the network. Since the connection state of multicast communication clearly differs from that of conventional unicast communication, the optimum network topology is believed to change if multicast communication spreads in the future. The authors studied the network topology used when unicast communication and multicast communication are mixed. It was found that the Delta-Star topology was optimal compared to the Star topology currently used in the lowest level of the network. In this paper, we studied the performance of each topology from the perspective of the required capacity of the equipment and the costs required to construct the network when a circuit switching or a connection service was assumed and the multicast traffic increased. Furthermore, we proposed a network extension method that changed the topology from the Star to the Delta-Star topology and evaluated the performance. We found that by using a relatively simple extension method to set the locations of the transmission route link extensions, adequate cost performance was obtained.

    Original languageEnglish
    Pages (from-to)69-83
    Number of pages15
    JournalElectronics and Communications in Japan, Part I: Communications (English translation of Denshi Tsushin Gakkai Ronbunshi)
    Volume86
    Issue number6
    DOIs
    Publication statusPublished - 2003 Jun

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    Topology
    Stars
    Communication
    Switching circuits
    Costs

    Keywords

    • Delta-Star
    • Design
    • Extension
    • Multicast
    • Network

    ASJC Scopus subject areas

    • Computer Networks and Communications
    • Electrical and Electronic Engineering

    Cite this

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