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  • 1. Cervero, A. G.
    et al.
    Chincoli, Michele
    KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Optical Network Laboratory (ON Lab).
    Dittmann, L.
    Fischer, A.
    Garcia, A. E.
    Galán-Jiménez, J.
    Lefevre, L.
    de Meer, H.
    Monteil, T.
    Monti, Paolo
    KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Optical Network Laboratory (ON Lab).
    Orgerie, A.
    Pau, L.
    Phillips, C.
    Ricciardi, S.
    Sharrock, R.
    Stolf, P.
    Trinh, T.
    Valcarenghi, L.
    Green Wired Networks2015In: Large-scale Distributed Systems and Energy Efficiency: A Holistic View, Wiley-Blackwell, 2015, p. 41-80Chapter in book (Other academic)
    Abstract [en]

    This chapter first highlights the significant energy consumption of existing wired communication networks. It considers various means of operating such networks more efficiently. Then, the chapter examines the components that make up a wired communications network and their differing characteristics between the access and core, as well as patterns of traffic behavior. The chapter focuses on static (network planning) and dynamic (traffic-engineering) schemes that can be used to reduce the energy consumption of networks. It also pays attention to a number of challenges/open research questions that need to be resolved before the implementation of such schemes. These include issues with migration and resilience. The chapter then deals with economic-, regulatory-, and business-related methods. Finally, it focuses on the architecture of communication networks and the corresponding relationship with energy usage.

  • 2.
    Chincoli, Michele
    et al.
    KTH, School of Information and Communication Technology (ICT).
    Valcarenghi, Luca
    Scuola Superiore Sant'Anna.
    Chen, Jiajia
    KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Optical Network Laboratory (ON Lab).
    Monti, Paolo
    KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Optical Network Laboratory (ON Lab).
    Wosinska, Lena
    KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Optical Network Laboratory (ON Lab).
    Investigating the Energy Savings of Cyclic Sleep with Service Guarantees in Long Reach PONs2012In: Asia Communications and Photonics Conference, ACP, 2012, p. ATh1D.3-Conference paper (Refereed)
    Abstract [en]

    This paper evaluates what are the conditions, in terms of increased overhead time and number of optical network units (i.e., ONUs), in which cyclic sleep based techniques are effective in Long Reach PONs.

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