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We evaluate contiguous, discrete and hybrid slot assignment methods under both quasi-static and dynamic traffic conditions. We show the tradeoff among these methods in terms of network performance and system complexity.
In this paper, we address the problem of survivable traffic grooming in optical WDM networks in which lightpaths are hop constrained. Survivability is provisioned at the wavelength granularity through either dedicated or shared path protection schemes. We propose an auxiliary-graph-based algorithm that addresses grooming, protection, and impairment constraints in a combined manner and that determines...
We consider traffic grooming and regenerator placement in an optical network in which lightpaths are hop-constrained by impairments. Combining grooming with regenerator placement reduces costs compared to addressing traffic grooming and regenerator placement separately.
In this paper, we address the problem of traffic grooming and regenerator placement in a WDM optical network in which lightpaths are hop-constrained by physical impairments. The efficient placement of regenerators and electronic grooming equipment at ROADM nodes for a given network topology is required such that all traffic demands can be supported with minimum cost. We present a detailed ROADM node...
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