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An energy efficient spectrum allocation algorithm in bandwidth-variable optical switching networks is proposed, in which the modulation format of subcarriers is selected in a dynamic way according to the real-time traffic loading.
An energy efficiency scheme based on the coordination of management and control is proposed to reduce the power consumption in multi-domain WSON. Experiments are conducted on the energy efficient multi-domain WSON testbed (EEMWT) to assess the performance of the scheme.
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