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Optimal Degree of Optical Circuit Switching in IP-over-WDM Networks

  • In this paper, we study the influence of technology, traffic properties and price trends on optimized design of a reference IP-over-WDM network with rich underlying fiber topology. In each network node, we investigate the optimal degree of traffic switching in an optical (lambda) domain versus an electrical (packet) domain, also known as measure of \emph{node transparency}. This measure is studied in connection to changes in traffic volume, demand affinity, optical circuit speeds and equipment cost. By applying variable design constraints, we assess the relative roles of the two distinct equipment groups, IP routers and optical cross-connects, with respect to resulting changes in cost-sensitive network architectures.

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Author:Ulrich Menne, Christian Raack, Roland Wessäly, Daniel Kharitonov
Document Type:In Proceedings
Parent Title (English):Optical Network Design and Modeling (ONDM), 2012 16th International Conference on
First Page:1
Last Page:6
Year of first publication:2012
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