TE link dormant mode used in GMPLS optical transport networks for energy saving

This paper evaluates power efficiency of TE link dormant mode in optical transport network, considering daily traffic variability and GMPLS protocol. The proposed TE link dormant mode tries to let data links comprised the TE link transfer into the dormant state according to several selection criteria considering either the power consumption parameter of each link and their positioning in the network topology. The total energy saving is 35% on the energy efficient WSON test bed.

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