WDM Networks

Analysis of multi-hop traffic grooming in WDM mesh networks
Traffic grooming is an essential functionality of WDM optical networks to provision multi-granularity subwave-length connections. …
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Least-cost disjoint paths with dependent cost structure in wavelength continuous optical WDM networks
One of the important issues in establishing a fault tolerant connection in a wavelength division multiplexing optical network is …
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On computing disjoint paths with dependent cost structure in optical networks
Providing fault tolerance against network failures in an optical WDM network is of prime importance. In this work we study the problem …
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A link bundled auxiliary graph model for constrained dynamic traffic grooming in WDM mesh networks
This paper addresses the two-layer dynamic traffic grooming problem in wavelength-division-multiplexed (WDM) mesh optical networks …
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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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