Optical Fiber Networks

Shared risk link Group (SRLG)-diverse path provisioning under hybrid service level agreements in wavelength-routed optical mesh networks
The static provisioning problem in wavelength-routed optical networks has been studied for many years. However, service providers are …
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Discontinuous waveband switching in WDM optical networks
Routing techniques used in wavelength routed optical networks (WRN) do not give an efficient solution with waveband routed optical …
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Performance analysis of sparse traffic grooming in WDM mesh networks
Sparse traffic grooming is a practical problem to be addressed in heterogeneous multi-vendor optical WDM networks where only some of …
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Same-destination-intermediate grouping vs. end-to-end grouping for waveband switching in WDM mesh networks
We investigate waveband switching (WBS) with different grouping strategies in wavelength-division multiplexing (WDM) mesh networks. …
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Survivable traffic grooming in WDM mesh networks under SRLG constraints
Survivable traffic grooming (STG) is a promising approach to provide reliable and resource-efficient multi-granularity connection …
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Rerouting schemes for dynamic traffic grooming in optical WDM mesh networks
Traffic grooming in optical WDM mesh networks is a two-layer routing problem to pack low-rate connections effectively onto high-rate …
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IMSH: an iterative heuristic for SRLG diverse routing in WDM mesh networks
Survivable routing of a connection involves computation of a pair of diverse routes such that at most one route fails when failures …
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Survivable virtual topology routing under shared risk link groups in WDM networks
Network survivability is one of the most important issues in the design of optical WDM networks. In this work we study the problem of …
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A graph model for dynamic waveband switching in WDM mesh networks
The problem of waveband switching (WBS) in a wavelength-division multiplexing (WDM) mesh network with dynamic traffic requests is …
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Constrained dynamic traffic grooming in WDM mesh networks with link bundled auxiliary graph model
This paper addresses the two-layer routing problem in wavelength division multiplexed (WDM) optical mesh networks subject to resource …
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