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Data centers play an important role in our daily activities. The increasing demand on data centers in both scale and size has led to huge energy consumption that rises the cost of data centers. Besides, environmental impacts also increase considerably due to a large amount of carbon emissions. In this paper, we present a design aimed at  green networking  by reducing the power consumption for routers and switches. Firstly, we design the  Balance Switch  on the NetFPGA platform to save consumed energy based on Queue Engineering. Secondly, we design the test-bed system to precisely measure the consumed energy of our switches. Experimental results show that energy saving of our switches is about  30% - 35%  of power consumption according to variation of input traffic compared with normal Openflow Switch. Finally, we describe performance evaluations.

Energy saving for OpenFlow switch on the NetFPGA platform based on queue engineering