Analysis of the cost and energy efficiency of future hybrid and heterogeneous optical networks

Filippos Balasis, Sugang Xu, Yoshiaki Tanaka

    Research output: Contribution to journalArticle

    Abstract

    Orthogonal frequency division multiplexing (OFDM) promises to provide the necessary boost in the core networks' capacity along with the required flexibility in order to cope with the Internet's growing heterogeneous traffic. At the same time, wavelength division multiplexing (WDM) technology remains a cost-effective and reliable solution especially for long-haul transmission. Due to the higher implementation cost of optical OFDM transmission technology, it is expected that OFDM-based bandwidth variable transponders (BVT) will co-exist with conventional WDM ones. In this paper, we provide an integer linear programming (ILP) formulation that minimizes the cost and power consumption of such hybrid architecture and then a comparison is made with a pure OFDM-based elastic optical network (EON) and a mixed line rate (MLR) WDM optical network in order to evaluate their cost and energy efficiency. key words: hybrid optical network, elastic optical network, WDM, bandwidth variable transponder, ILP.

    Original languageEnglish
    Pages (from-to)1222-1232
    Number of pages11
    JournalIEICE Transactions on Communications
    VolumeE101B
    Issue number5
    DOIs
    Publication statusPublished - 2018 May 1

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    Fiber optic networks
    Wavelength division multiplexing
    Orthogonal frequency division multiplexing
    Energy efficiency
    Transponders
    Linear programming
    Costs
    Bandwidth
    Telecommunication traffic
    Electric power utilization
    Internet

    ASJC Scopus subject areas

    • Software
    • Computer Networks and Communications
    • Electrical and Electronic Engineering

    Cite this

    Analysis of the cost and energy efficiency of future hybrid and heterogeneous optical networks. / Balasis, Filippos; Xu, Sugang; Tanaka, Yoshiaki.

    In: IEICE Transactions on Communications, Vol. E101B, No. 5, 01.05.2018, p. 1222-1232.

    Research output: Contribution to journalArticle

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