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On the QKD relaying models and building QKD networks

Abstract : Quantum Key Distribution (QKD) is a technology that ensures, in theory, the inviolability of the transmitted key. However, some practical implementation problems remain open, especially on increasing the range of QKD's application. The objective of this thesis is to answer twocorrelated questions: (1) how to build large QKD networks, (2) how to secure QKD key relays. We have proposed, at the first stage, a model to ensure the security of key transmission in a large QKD network by using a stochastic routing. The effectiveness of this method is demonstrated by using percolation theory. In a second stage, we explored the safety of QKD relays and arrive to propose four new models to expand the range of QKD.
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https://pastel.archives-ouvertes.fr/pastel-00006239
Contributor : Ecole Télécom Paristech <>
Submitted on : Saturday, July 10, 2010 - 8:00:00 AM
Last modification on : Friday, July 31, 2020 - 10:44:07 AM
Long-term archiving on: : Thursday, March 30, 2017 - 5:59:23 AM

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  • HAL Id : pastel-00006239, version 1

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Quoc Cuong Le. On the QKD relaying models and building QKD networks. Networking and Internet Architecture [cs.NI]. Télécom ParisTech, 2009. English. ⟨pastel-00006239⟩

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