Elastic Bandwidth Allocation in Flexible OFDM-Based Optical Networks
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...…of rapid change in optical networking technology, as fixed-grid WDM networks are evolving into Mixed Line Rate (MLR) networks and will soon give way to flexi-grid (“elastic,” “adaptive,” or “tunable”) networks, promising 400Gbps of bandwidth [Gerstel et al. 2012; Christodoulopoulos et al. 2011]....
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References
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"Elastic Bandwidth Allocation in Fle..." refers methods in this paper
...We initially present an optimal integer linear programming (ILP) formulation [19] that minimizes the utilized spectrum....
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"Elastic Bandwidth Allocation in Fle..." refers background in this paper
...path. Enabling technologies and sub-systems, such as bandwidth-variable transponders and bandwidth-variable OXCs, have been demonstrated in the Spectrum-sLICed Elastic optical path network (“SLICE”) [ 8 ]‐[11]....
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...Fig. 1 presents an example of elastic bandwidth provisioning in the spectrum domain by controlling the number of used subcarriers [ 8 ], [9]....
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...Approaches such as optical burst switching (OBS) and optical packet switching (OPS) that meet these requirements can only be viewed as long-term solutions since their enabling technologies are not yet mature [2][3]....
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