Abstract
In the IP-over-WDM networks, electric power is more consumed at IP layer. This letter proposes two power-saving dynamic connection provision algorithms, called Most Used First (MUF) and State Transmission Time Aware (STTA) respectively, which can direct the incoming connection request to already provisioned router line cards and chassis, and hence reduce the number of active IP devices so to save electric power. For a typical network, MUF and STTA can save over 3% and 7% power respectively comparing with conventional power-unaware approach.
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