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Dynamic traffic grooming based on auxiliary graph in spatial division multiplexing enabled elastic optical networks

An auxiliary graph (AG) is designed to address traffic grooming under dynamic traffic scenario in spatial division multiplexing enabled elastic optical networks (SDM-EON). Various traffic grooming policies are achieved by adjusting the edge weights of AG, and evaluated through simulation in terms of spectrum efficiency and inter-core crosstalk. Numeric results show that the proposed SDM grooming reduces the effect of crosstalk by decreasing the used cores.