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2015 | OriginalPaper | Buchkapitel

The Energy Intensity of the Internet: Edge and Core Networks

verfasst von : Daniel Schien, Vlad C. Coroama, Lorenz M. Hilty, Chris Preist

Erschienen in: ICT Innovations for Sustainability

Verlag: Springer International Publishing

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Abstract

Environmental assessments of digital services seeking to take into account the Internet’s energy footprint typically require models of the energy intensity of the Internet. Existing models have arrived at conflicting results. This has lead to increased uncertainty and reduced comparability of assessment results. We present a bottom-up model for the energy intensity of the Internet that draws from the current state of knowledge in the field and is specifically directed towards assessments of digital services. We present the numeric results and explain the application of the model in practice. Complementing the previous chapter that presented a generic approach and results for access networks and customer premise equipment, we present a model to assess the energy intensity of the core networks, yielding the result of 0.052 kWh/GB.

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Vorheriges Kapitel The Energy Intensity of the Internet: Home and Access Networks

Nächstes Kapitel Grey Energy and Environmental Impacts of ICT Hardware

In our model, we neglect this additional network link in order to simplify the model structure.

As opposed to multicast or broadcast where data from one source node is directed to multiple destination nodes.

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Coroama, V.C., Schien, D., Preist, C., Hilty, L.M.: The energy intensity of the Internet: home and access networks. In: Hilty, L., Aebischer, B. (eds.) ICT Innovations for Sustainability. Advances in Intelligent Systems and Computing, vol. 310, pp. 137–155. Springer, Switzerland (2015)

Titel: The Energy Intensity of the Internet: Edge and Core Networks
verfasst von: Daniel Schien
Vlad C. Coroama
Lorenz M. Hilty
Chris Preist
Verlag: Springer International Publishing
Buch: ICT Innovations for Sustainability
Print ISBN: 978-3-319-09227-0

Electronic ISBN: 978-3-319-09228-7

Copyright-Jahr: 2015
DOI: https://doi.org/10.1007/978-3-319-09228-7_9

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